/* ===== CSS Variables ===== */
:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #141414;
    --bg-hover: #1c1c1c;
    --text-primary: #ffffff;
    --text-secondary: #a8a8a8;
    --text-muted: #6f6f6f;
    --accent: #ffffff;
    --accent-hover: #d9d9d9;
    --accent-dim: rgba(255, 255, 255, 0.10);
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --border: #262626;
    --border-light: #3a3a3a;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.2s ease;
    --sidebar-width: 300px;
    --header-height: 60px;
    --font-mono: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

#app {
    display: flex;
    height: 100vh;
    height: 100dvh;
    width: 100vw;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: var(--transition);
    z-index: 100;
}

.sidebar.hidden {
    margin-left: calc(var(--sidebar-width) * -1);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
}

.logo i {
    font-size: 1.5rem;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    min-height: 0;
}

.new-chat-btn {
    width: 100%;
    padding: 12px 16px;
    background: var(--accent);
    color: #0a0a0a;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.new-chat-btn:hover {
    background: var(--accent-hover);
}

.tools-section, .history-section {
    margin-top: 20px;
}

.tools-section h3, .history-section h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 0 8px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tools-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tool-item {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.tool-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.tool-item.active {
    background: var(--accent-dim);
    color: var(--accent);
}

.tool-item i {
    width: 20px;
    text-align: center;
    font-size: 0.85rem;
}

.tool-category {
    padding: 8px 12px 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.tool-agent-label {
    padding: 8px 12px;
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 4px;
}

.chat-history {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.history-item {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.history-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.history-item span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.history-item .delete-history {
    opacity: 0;
    transition: var(--transition);
    color: var(--error);
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
}

.history-item:hover .delete-history {
    opacity: 1;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: relative;
    flex-shrink: 0;
}

.sidebar-user-info {
    margin-bottom: 6px;
}

.sidebar-user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}

.sidebar-user-details {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.sidebar-logout-btn {
    flex-shrink: 0;
}

.settings-btn {
    width: 100%;
    padding: 10px 12px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.settings-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.menu-toggle {
    width: 100%;
    padding: 10px 12px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.menu-popup {
    display: none;
    position: absolute;
    bottom: calc(100% + 6px);
    left: 12px;
    right: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px;
    gap: 4px;
    flex-direction: column;
    z-index: 100;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.3);
    animation: menuSlideUp 0.15s ease-out;
}

.menu-popup.show {
    display: flex;
}

.menu-popup .settings-btn {
    border: none;
    border-radius: var(--radius-sm);
    padding: 9px 12px;
}

.menu-popup .settings-btn:hover {
    background: var(--bg-hover);
}

@keyframes menuSlideUp {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    min-width: 0;
    overflow: hidden;
}

.main-header {
    display: flex;
    align-items: center;
    padding: 0 16px;
    height: var(--header-height);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    gap: 12px;
    flex-shrink: 0;
}

.main-header h1 {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-actions {
    display: flex;
    gap: 4px;
}

/* ===== Icon Buttons ===== */
.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.icon-btn-small {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn-small:hover {
    color: var(--text-primary);
}

/* ===== Chat Container ===== */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
}

/* ===== Welcome Screen ===== */
.welcome-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 40px 20px;
    text-align: center;
    padding-bottom: 140px;
}

.welcome-icon {
    font-size: 3rem;
    color: #ffffff;
    margin-bottom: 20px;
    animation: robotDance 3s ease-in-out infinite;
    display: inline-block;
}

@keyframes robotDance {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    15% { transform: translateY(-12px) rotate(-5deg); }
    30% { transform: translateY(0) rotate(5deg); }
    45% { transform: translateY(-8px) rotate(-3deg); }
    60% { transform: translateY(0) rotate(3deg); }
    75% { transform: translateY(-4px) rotate(-1deg); }
    90% { transform: translateY(0) rotate(0deg); }
}

.welcome-screen h2 {
    font-size: 2rem;
    margin-bottom: 8px;
    font-weight: 600;
    color: #ececf1;
}

.welcome-screen p {
    color: #8e8ea0;
    font-size: 1rem;
    margin-bottom: 32px;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
    max-width: 700px;
    width: 100%;
}

.quick-action {
    padding: 14px 16px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #9ca3af;
    transition: all 0.15s ease;
    text-align: left;
    font-size: 0.9rem;
}

.quick-action:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.2);
    color: #d1d5db;
}

.quick-action i {
    color: #8e8ea0;
    font-size: 1rem;
}

/* ===== Messages ===== */
.messages-container {
    max-width: 768px;
    margin: 0 auto;
    padding: 24px 24px 120px;
}

.message {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px 0;
    animation: fadeIn 0.25s ease;
}

.message + .message {
    border-top: 1px solid rgba(255,255,255,0.06);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
    overflow: hidden;
    margin-top: 2px;
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message.user .message-avatar {
    background: #3f3f3f;
    color: white;
}

.message.assistant .message-avatar {
    background: #19c37d;
    color: white;
}

.message-content {
    flex: 1;
    min-width: 0;
    max-width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
    overflow-x: hidden;
    line-height: 1.7;
    font-size: 1rem;
    color: #d1d5db;
}

.message.user .message-content {
    color: #ececf1;
    padding: 0;
}

.message.assistant .message-content {
    overflow-x: hidden;
    position: relative;
    padding: 0;
}

.message-actions {
    display: flex;
    gap: 2px;
    margin-top: 12px;
}

.message-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: #8e8ea0;
    cursor: pointer;
    font-size: 0.8rem;
    font-family: inherit;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.message-action-btn:hover {
    background: rgba(255,255,255,0.08);
    color: #d1d5db;
}

.message-action-btn.copied {
    color: #19c37d;
}

.message-content pre {
    background: #161616;
    border-radius: 6px;
    padding: 0;
    overflow: hidden;
    margin: 16px 0;
    font-family: 'Söhne Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 14px;
    line-height: 1.5;
    position: relative;
}

.message-content pre .code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: #2d2d2d;
    font-size: 12px;
    color: #8e8ea0;
}

.message-content pre .code-header .code-lang {
    text-transform: lowercase;
}

.message-content pre code {
    display: block;
    padding: 16px;
    overflow-x: auto;
    color: #e2e8f0;
    font-family: 'Söhne Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
}

.message-content code {
    font-family: 'Söhne Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
    background: rgba(255,255,255,0.08);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.875em;
    color: #f97316;
    border: 1px solid rgba(255,255,255,0.08);
}

.message-content pre code {
    background: none;
    padding: 0;
    color: #e2e8f0;
    border: none;
    font-size: 14px;
}

.message-content p {
    line-height: 1.75;
    margin-bottom: 12px;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul, .message-content ol {
    margin: 12px 0;
    padding-left: 24px;
}

.message-content li {
    margin-bottom: 6px;
    line-height: 1.7;
}

.message-content h1 {
    font-size: 1.5rem;
    margin: 24px 0 12px;
    font-weight: 600;
    color: #ececf1;
}

.message-content h2 {
    font-size: 1.25rem;
    margin: 20px 0 10px;
    font-weight: 600;
    color: #ececf1;
}

.message-content h3 {
    font-size: 1.1rem;
    margin: 18px 0 8px;
    font-weight: 600;
    color: #ececf1;
}

.message-content blockquote {
    border-left: 3px solid #4b5563;
    padding-left: 16px;
    margin: 14px 0;
    color: #9ca3af;
}

.message-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    display: block;
    overflow-x: auto;
    max-width: 100%;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
}

.message-content th, .message-content td {
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,0.1);
    text-align: left;
}

.message-content th {
    background: rgba(255,255,255,0.05);
    font-weight: 600;
    font-size: 0.85rem;
    color: #9ca3af;
}

.message-content a {
    color: #19c37d;
    text-decoration: none;
    overflow-wrap: break-word;
    word-break: break-all;
}

.message-content a:hover {
    text-decoration: underline;
}

.message-content strong {
    color: #ececf1;
    font-weight: 600;
}

.message-content hr {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin: 20px 0;
}

.code-copy-btn {
    background: transparent;
    border: none;
    color: #8e8ea0;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.15s ease;
    padding: 4px 8px;
    border-radius: 4px;
}

.code-copy-btn:hover {
    background: rgba(255,255,255,0.1);
    color: #d1d5db;
}

.typing-indicator {
    display: flex;
    gap: 5px;
    padding: 10px 0;
    align-items: center;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: #8e8ea0;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1); }
}

/* ===== Input Area ===== */
.input-area {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-width);
    right: 0;
    padding: 16px 24px 20px;
    max-width: 768px;
    margin: 0 auto;
    background: linear-gradient(to top, var(--bg-primary) 60%, transparent 100%);
    z-index: 10;
    transition: left 0.2s ease;
}

.input-area.sidebar-hidden {
    left: 0;
}

.active-tool-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    margin-bottom: 8px;
    font-size: 0.8rem;
    color: var(--accent-hover);
}

.image-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px 4px 8px;
}

.image-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px 4px 4px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    font-size: 0.78rem;
    color: #ececf1;
}

.image-chip img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    object-fit: cover;
}

.image-chip-name {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.image-chip-remove {
    background: none;
    border: none;
    color: rgba(200, 200, 220, 0.7);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px 2px;
}

.image-chip-remove:hover {
    color: #fff;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: #2f2f2f;
    border: none;
    border-radius: 12px;
    padding: 10px 16px;
    transition: all 0.2s ease;
}

.input-wrapper:focus-within {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

#userInput {
    flex: 1;
    background: none;
    border: none;
    color: #ececf1;
    font-size: 16px;
    font-family: inherit;
    resize: none;
    max-height: 200px;
    line-height: 1.5;
    padding: 2px 0;
}

#userInput:focus {
    outline: none;
}

#userInput::placeholder {
    color: #8e8ea0;
}

.send-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #ffffff;
    color: #0a0a0a;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.send-btn:hover:not(:disabled) {
    background: #d9d9d9;
}

.send-btn:disabled {
    background: #424242;
    cursor: not-allowed;
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    font-size: 12px;
    color: #6c6c6c;
    gap: 8px;
}

.footer-credit {
    white-space: nowrap;
}

.footer-credit strong {
    color: #888;
}

@media (max-width: 600px) {
    .input-footer {
        flex-direction: column;
        text-align: center;
        gap: 2px;
    }
}

/* ===== Buttons ===== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--accent);
    color: #0a0a0a;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
}

.modal-large {
    max-width: 800px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ===== Settings ===== */
.setting-group {
    margin-bottom: 20px;
}

.setting-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.setting-group small {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.setting-group input[type="text"],
.setting-group input[type="password"],
.setting-group input[type="number"],
.setting-group select,
.setting-group textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
}

.setting-group input:focus,
.setting-group select:focus,
.setting-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.setting-group input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
}

.input-with-btn {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-btn input {
    flex: 1;
    padding-right: 42px !important;
}

.paste-btn {
    position: absolute;
    right: 6px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.paste-btn:hover {
    color: var(--accent);
    background: var(--accent-dim);
}

.paste-btn.pasted {
    color: #19c37d;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

/* ===== Code Modal ===== */
.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.code-header select {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
}

#codeContent {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 400px;
    overflow-y: auto;
}

/* ===== Tool Modal ===== */
.tool-input-group {
    margin-bottom: 16px;
}

.tool-input-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.tool-input-group input,
.tool-input-group textarea,
.tool-input-group select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
}

.tool-input-group textarea {
    min-height: 100px;
    resize: vertical;
}

.tool-input-group input:focus,
.tool-input-group textarea:focus,
.tool-input-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.tool-description {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.5;
}

/* ===== Knowledge Base ===== */
[data-tab="knowledge"] .tool-input-group label {
    color: var(--text-primary);
    font-weight: 600;
}

[data-tab="knowledge"] textarea {
    font-size: 0.85rem;
    line-height: 1.5;
}

[data-tab="knowledge"] .tool-description {
    background: var(--accent-dim);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    z-index: 2000;
    animation: slideUp 0.3s ease;
    box-shadow: var(--shadow);
}

.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--error); }
.toast.warning { border-color: #f59e0b; }

@keyframes slideUp {
    from { opacity: 0; transform: translateX(-50%) translateY(16px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===== Login Screen ===== */
.login-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    z-index: 9999;
    overflow-y: auto;
    overflow-x: hidden;
    background: #0a0a0a;
}

.login-screen::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(ellipse 600px 600px at 20% 30%, rgba(255,255,255,0.15) 0%, transparent 70%),
        radial-gradient(ellipse 500px 500px at 80% 70%, rgba(255,255,255,0.12) 0%, transparent 70%),
        radial-gradient(ellipse 400px 400px at 50% 50%, rgba(255,255,255,0.08) 0%, transparent 70%);
    animation: loginBgMove 20s ease-in-out infinite alternate;
}

.login-screen::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.15) 0%, transparent 100%),
        radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.1) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 10%, rgba(255,255,255,0.12) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 80%, rgba(255,255,255,0.08) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 40%, rgba(255,255,255,0.1) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 15% 85%, rgba(255,255,255,0.3) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 85% 15%, rgba(255,255,255,0.3) 0%, transparent 100%),
        radial-gradient(1px 1px at 45% 45%, rgba(255,255,255,0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 65% 25%, rgba(255,255,255,0.06) 0%, transparent 100%),
        radial-gradient(1px 1px at 25% 75%, rgba(255,255,255,0.06) 0%, transparent 100%);
    animation: loginStars 60s linear infinite;
}

@keyframes loginBgMove {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(30px, -20px) rotate(3deg); }
}

@keyframes loginStars {
    0% { transform: translateY(0); }
    100% { transform: translateY(-30px); }
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    margin: auto;
    padding: 44px 36px 36px;
    background: rgba(15, 15, 25, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(255, 255, 255, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: loginCardIn 0.6s ease-out;
}

@keyframes loginCardIn {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    border-radius: 20px;
    background: linear-gradient(135deg, #ffffff, #8a8a8a, #ffffff);
    background-size: 200% 200%;
    animation: loginLogoGrad 3s ease infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 24px rgba(255, 255, 255, 0.3);
    position: relative;
}

.login-logo-icon::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(255,255,255,0.3), rgba(255,255,255,0.3));
    z-index: -1;
    filter: blur(8px);
}

@keyframes loginLogoGrad {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.login-logo-icon i {
    font-size: 2rem;
    color: #fff;
    margin: 0;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.login-logo h1 {
    font-size: 1.7rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #cfcfcf 50%, #d9d9d9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.login-logo p {
    font-size: 0.85rem;
    color: rgba(160, 160, 180, 0.8);
    letter-spacing: 0.3px;
}

.login-form .tool-input-group {
    margin-bottom: 18px;
}

.pw-field {
    position: relative;
}
.pw-field input {
    width: 100%;
    padding-right: 44px !important;
    box-sizing: border-box;
}
.pw-toggle {
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: rgba(200, 200, 220, 0.7);
    font-size: 0.95rem;
    padding: 6px 8px;
    cursor: pointer;
    line-height: 1;
}
.pw-toggle:hover {
    color: #fff;
}

.login-form .tool-input-group label {
    color: rgba(200, 200, 220, 0.8);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.login-form input {
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    color: #fff !important;
    padding: 12px 14px !important;
    border-radius: 10px !important;
    font-size: 0.9rem;
    transition: all 0.25s ease;
}

.login-form input:focus {
    border-color: rgba(255, 255, 255, 0.5) !important;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1) !important;
    background: rgba(255, 255, 255, 0.06) !important;
}

.login-form input::placeholder {
    color: rgba(160, 160, 180, 0.5);
}

.login-error {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 10px;
    padding: 10px 14px;
    color: #f87171;
    font-size: 0.82rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.login-error::before {
    content: '\f06a';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    flex-shrink: 0;
}

.login-btn {
    width: 100%;
    padding: 13px;
    font-size: 0.95rem;
    font-weight: 600;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, #ffffff, #6f6f6f);
    border: none;
    color: #0a0a0a;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
    letter-spacing: 0.3px;
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(255, 255, 255, 0.4);
    background: linear-gradient(135deg, #d9d9d9, #8a8a8a);
}

.login-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.3);
}

.login-hint {
    text-align: center;
    margin-top: 20px;
    font-size: 0.72rem;
    color: rgba(160, 160, 180, 0.5);
    letter-spacing: 0.3px;
}

.login-toggle {
    text-align: center;
    margin-top: 16px;
}

.login-toggle-text {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.login-toggle-text a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
}

.login-toggle-text a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ===== Login Info Panel ===== */
.login-container {
    max-width: 880px;
    padding: 0;
    display: grid;
    grid-template-columns: 360px 1fr;
    overflow: hidden;
    touch-action: manipulation;
}

/* Top info bar */
.login-topbar {
    grid-column: 1 / -1;
    order: -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 18px;
    font-size: 0.72rem;
    color: rgba(160,160,180,0.85);
    letter-spacing: 0.3px;
    background: linear-gradient(90deg, rgba(255,255,255,0.1), rgba(52,211,153,0.04), rgba(255,255,255,0.1));
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.login-status,
.login-version {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.login-status i {
    font-size: 0.5rem;
    color: #34d399;
    animation: loginPulse 2s ease-in-out infinite;
}

@keyframes loginPulse {
    0%, 100% { opacity: 1; filter: drop-shadow(0 0 0 rgba(52,211,153,0)); }
    50% { opacity: 0.5; filter: drop-shadow(0 0 6px rgba(52,211,153,0.9)); }
}

.login-version {
    color: rgba(160,160,180,0.7);
}

.login-version i {
    font-size: 0.6rem;
    color: #d9d9d9;
}

/* Welcome heading */
.login-welcome {
    margin-bottom: 22px;
}

.login-welcome h2 {
    font-size: 1.35rem;
    font-weight: 800;
    margin: 0 0 4px;
    color: #fff;
    letter-spacing: -0.3px;
}

.login-welcome p {
    margin: 0;
    font-size: 0.8rem;
    color: rgba(160,160,180,0.75);
}

/* Upgrade promo note */
.login-upgrade {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 11px 14px;
    margin-bottom: 20px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(251,191,36,0.10), rgba(255,255,255,0.10));
    border: 1px solid rgba(251,191,36,0.25);
    font-size: 0.78rem;
    color: #fcd34d;
    line-height: 1.5;
}

.login-upgrade i {
    color: #fbbf24;
    flex-shrink: 0;
    margin-top: 2px;
}

.login-upgrade strong {
    color: #fff;
}

/* Animated gradient ring */
.login-container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.65), rgba(255,255,255,0.12) 40%, rgba(255,255,255,0.55));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.9;
}

.login-info {
    background: linear-gradient(165deg, rgba(255,255,255,0.14), rgba(15,15,25,0.35) 60%);
    border-right: 1px solid rgba(255,255,255,0.14);
    padding: 40px 30px 32px;
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.login-info .login-logo {
    margin-bottom: 0;
    text-align: left;
}

.login-info .login-logo-icon {
    margin: 0 0 14px;
}

.login-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.login-stat {
    background: rgba(255,255,255,0.045);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 12px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.login-stat-value {
    font-size: 1.15rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #fff, #d9d9d9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.login-stat-label {
    font-size: 0.68rem;
    color: rgba(160,160,180,0.7);
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.login-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.login-features li > i {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    font-size: 0.9rem;
    color: #d9d9d9;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
}

.login-features li div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.login-features strong {
    font-size: 0.85rem;
    color: #fff;
}

.login-features li span {
    font-size: 0.74rem;
    color: rgba(160,160,180,0.7);
}

.login-security {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: auto;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(52,211,153,0.06);
    border: 1px solid rgba(52,211,153,0.16);
    font-size: 0.74rem;
    color: rgba(160,160,180,0.85);
    line-height: 1.5;
}

.login-security i {
    font-size: 0.95rem;
    color: #34d399;
    flex-shrink: 0;
}

.login-panel {
    padding: 44px 38px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-hints {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 18px;
    padding: 14px;
    border-top: 1px solid rgba(255,255,255,0.05);
    background: rgba(0,0,0,0.25);
}

.login-hints .login-hint {
    margin-top: 0;
}

/* ===== Pro form polish ===== */
.login-form {
    animation: loginFormFade 0.35s ease;
}

@keyframes loginFormFade {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-form input {
    padding: 14px 15px !important;
    font-size: 0.95rem !important;
    -webkit-appearance: none;
}

.login-form .tool-input-group label {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.4px;
}

.login-btn {
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
}

.login-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -80%;
    width: 45%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
    transform: skewX(-20deg);
    transition: left 0.5s ease;
    pointer-events: none;
}

.login-btn:hover::after,
.login-btn:active::after {
    left: 125%;
}

.pw-toggle {
    padding: 8px 10px;
    -webkit-tap-highlight-color: transparent;
}

.login-toggle-text a {
    -webkit-tap-highlight-color: transparent;
}

/* ===== User Management ===== */
.user-mgmt-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 16px;
    min-height: 400px;
}

.user-list-panel {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.user-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-small {
    padding: 5px 10px;
    font-size: 0.75rem;
}

.user-list {
    max-height: 360px;
    overflow-y: auto;
}

.user-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.user-list-item:hover {
    background: var(--bg-hover);
}

.user-list-item.active {
    background: var(--accent-dim);
    border-left: 3px solid var(--accent);
}

.user-list-item-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-dim);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.user-list-item-info {
    flex: 1;
    min-width: 0;
}

.user-list-item-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-list-item-role {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-editor-panel {
    padding: 4px 0;
}

.user-editor-panel h3 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.user-editor-actions {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.btn-danger {
    background: var(--error);
    color: white;
    margin-left: auto;
}

.btn-danger:hover {
    background: #dc2626;
}

.user-role-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.user-tools-checklist {
    max-height: 160px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px;
}

@media (max-width: 600px) {
    .user-mgmt-layout {
        grid-template-columns: 1fr;
    }
    .user-list {
        max-height: 200px;
    }
}

/* ===== Profile Modal ===== */
.profile-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.profile-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    flex-shrink: 0;
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.profile-role {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 2px;
}

.profile-username {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.profile-perms {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px;
}

.profile-perm-tag {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ===== Super Admin Badge ===== */
.super-admin-badge {
    display: inline-block;
    padding: 1px 6px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    font-size: 9px;
    font-weight: 700;
    border-radius: 4px;
    margin-left: 6px;
    letter-spacing: 0.5px;
    vertical-align: middle;
}

.beta-badge {
    display: inline-block;
    padding: 1px 6px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #111111;
    font-size: 9px;
    font-weight: 700;
    border-radius: 4px;
    margin-left: 6px;
    letter-spacing: 0.5px;
    vertical-align: middle;
}

.admin-badge {
    display: inline-block;
    padding: 1px 6px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #111111;
    font-size: 9px;
    font-weight: 700;
    border-radius: 4px;
    margin-left: 6px;
    letter-spacing: 0.5px;
    vertical-align: middle;
}

.user-list-item.readonly {
    opacity: 0.6;
    cursor: not-allowed;
}

.user-list-item.readonly:hover {
    background: transparent;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
    }
    .login-container {
        margin: 16px;
        padding: 32px 24px 28px;
        border-radius: 16px;
    }
    .login-logo-icon {
        width: 60px;
        height: 60px;
        border-radius: 16px;
    }
    .login-logo-icon i {
        font-size: 1.6rem;
    }
    .login-logo h1 {
        font-size: 1.4rem;
    }
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        height: auto;
        z-index: 200;
        width: 85vw;
        max-width: 300px;
        box-shadow: 4px 0 24px rgba(0,0,0,0.5);
        overflow: hidden;
    }
    .sidebar.hidden {
        margin-left: 0;
        transform: translateX(-100%);
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 199;
    }
    .sidebar-overlay.active {
        display: block;
    }
    .sidebar-content {
        flex: 1;
        overflow-y: auto;
        overflow-x: hidden;
        min-height: 0;
    }
    .tools-list {
        max-height: none;
    }
    .sidebar-footer {
        padding: 8px;
        border-top: 1px solid var(--border);
        flex-shrink: 0;
    }
    .sidebar-user-card {
        padding: 6px;
        gap: 8px;
    }
    .sidebar-user-avatar {
        width: 28px;
        height: 28px;
        font-size: 0.65rem;
    }
    .sidebar-user-name {
        font-size: 0.75rem;
    }
    .sidebar-user-role {
        font-size: 0.6rem;
    }
    .settings-btn {
        padding: 8px 10px;
        font-size: 0.85rem;
    }
    .menu-toggle {
        padding: 8px 10px;
        font-size: 0.85rem;
    }
    .main-header {
        padding: 0 12px;
        height: 52px;
    }
    .main-header h1 {
        font-size: 0.95rem;
    }
    .quick-actions {
        grid-template-columns: 1fr;
    }
    .messages-container {
        padding: 16px 12px 120px;
    }
    .message {
        gap: 12px;
        margin-bottom: 16px;
        padding: 16px 0;
    }
    .message-avatar {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
    .message.user .message-content {
        font-size: 0.95rem;
    }
    .message-actions {
        gap: 2px;
    }
    .message-action-btn {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
    .input-area {
        left: 0;
        padding: 12px 12px 16px;
    }
    .input-wrapper {
        padding: 6px 10px;
    }
    #userInput {
        font-size: 16px; /* prevent iOS zoom */
    }
    .send-btn {
        width: 34px;
        height: 34px;
    }
    .welcome-screen {
        padding: 24px 16px;
    }
    .welcome-icon {
        font-size: 3rem;
    }
    .welcome-screen h2 {
        font-size: 1.5rem;
    }
    .welcome-screen p {
        font-size: 0.95rem;
    }
    .modal {
        align-items: flex-end;
        padding: 0;
    }
    .modal-content {
        width: 100%;
        max-width: 100%;
        max-height: 85vh;
        border-radius: var(--radius) var(--radius) 0 0;
        border-bottom: none;
    }
    .modal-large {
        max-width: 100%;
    }
    .modal-header {
        padding: 14px 16px;
    }
    .modal-body {
        padding: 16px;
    }
    .modal-footer {
        padding: 12px 16px;
    }
    .agent-builder-layout {
        grid-template-columns: 1fr;
    }
    .agent-preview {
        display: none;
    }
    .embed-tabs {
        flex-wrap: wrap;
    }
    .embed-options {
        flex-direction: column;
    }
    .preset-list {
        grid-template-columns: 1fr;
    }
    .header-actions {
        gap: 2px;
    }
    .toast {
        bottom: 80px;
        left: 16px;
        right: 16px;
        transform: none;
        text-align: center;
    }
    @keyframes slideUp {
        from { opacity: 0; transform: translateY(16px); }
        to { opacity: 1; transform: translateY(0); }
    }
}

@media (max-width: 400px) {
    .welcome-screen h2 {
        font-size: 1.3rem;
    }
    .quick-action span {
        font-size: 0.8rem;
    }
    .modal-content {
        max-height: 90vh;
    }
    .login-container {
        margin: 12px;
        padding: 28px 20px 24px;
    }
    .login-logo {
        margin-bottom: 28px;
    }
    .login-logo h1 {
        font-size: 1.3rem;
    }
}

/* ===== Markdown List Styles ===== */
.message-content ul {
    list-style-type: disc;
}
.message-content ol {
    list-style-type: decimal;
}

/* ===== Agents Section ===== */
.agents-section {
    margin-top: 16px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
    margin-bottom: 6px;
}

.section-header h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
}

.agents-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.agent-item {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.agent-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.agent-item.active {
    background: var(--accent-dim);
    color: var(--accent);
}

.agent-item-avatar {
    font-size: 1.2rem;
    width: 24px;
    height: 24px;
    text-align: center;
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.agent-item-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.agent-item-info {
    flex: 1;
    min-width: 0;
}

.agent-item-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.agent-item-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.agent-item-actions {
    display: flex;
    gap: 2px;
    opacity: 0;
    transition: var(--transition);
}

.agent-item:hover .agent-item-actions {
    opacity: 1;
}

.agent-action-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    font-size: 0.75rem;
    transition: var(--transition);
}

.agent-action-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.agent-action-btn.danger:hover {
    color: var(--error);
}

/* ===== Agent Builder ===== */
.agent-builder-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 20px;
    min-height: 450px;
}

.form-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
    background: var(--bg-primary);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.form-tab {
    flex: 1;
    padding: 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.form-tab:hover {
    color: var(--text-primary);
}

.form-tab.active {
    background: var(--accent);
    color: #0a0a0a;
}

.form-tab-content {
    display: none;
}

.form-tab-content.active {
    display: block;
}

.preset-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.preset-btn {
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.preset-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.preset-btn i {
    color: var(--accent);
}

/* Avatar Picker */
.avatar-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.avatar-option {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.avatar-option:hover {
    border-color: var(--accent);
    transform: scale(1.1);
}

.avatar-option.selected {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.avatar-custom {
    position: relative;
    overflow: hidden;
}

.avatar-custom-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.avatar-custom-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    font-size: 0;
}

.preview-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

/* Icon Picker */
.icon-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.icon-option {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.icon-option:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.icon-option.selected {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--accent);
}

/* Color Picker */
.color-row {
    display: flex;
    gap: 16px;
}

.color-input {
    flex: 1;
}

.color-input label {
    display: block;
    margin-bottom: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.color-input input[type="color"] {
    width: 100%;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: none;
    padding: 2px;
}

/* Tools Checklist */
.tools-checklist {
    max-height: 300px;
    overflow-y: auto;
}

.tools-checklist .tool-category {
    padding: 6px 0 2px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}

.tools-checklist .tool-category:first-child {
    border-top: none;
    margin-top: 0;
}

.tool-check-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.tool-check-item input[type="checkbox"] {
    accent-color: var(--accent);
}

.tool-check-item i {
    width: 16px;
    text-align: center;
    font-size: 0.8rem;
}

/* Agent Preview */
.agent-preview {
    display: flex;
    flex-direction: column;
}

.agent-preview h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.preview-widget {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: 420px;
}

.preview-header {
    padding: 12px;
    background: var(--accent);
    color: #0a0a0a;
    display: flex;
    align-items: center;
    gap: 10px;
}

.preview-avatar {
    font-size: 1.3rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    overflow: hidden;
}

.preview-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.preview-desc {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px;
}

.preview-status {
    font-size: 0.7rem;
    opacity: 0.8;
}

.preview-messages {
    flex: 1;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.preview-msg {
    display: flex;
    gap: 8px;
    max-width: 90%;
}

.preview-msg-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-dim);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    flex-shrink: 0;
    overflow: hidden;
}

.preview-msg-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-msg-bubble {
    background: var(--bg-tertiary);
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-primary);
    border-bottom-left-radius: 2px;
}

.preview-input {
    padding: 10px 12px;
    border-top: 1px solid var(--border);
}

.preview-input-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.preview-send {
    width: 24px;
    height: 24px;
    background: var(--accent);
    color: #0a0a0a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
}

/* ===== Embed Modal ===== */
.embed-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.embed-tab {
    flex: 1;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
}

.embed-tab:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.embed-tab.active {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
}

.embed-options {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.embed-options .tool-input-group {
    flex: 1;
    margin-bottom: 0;
}

.embed-code-wrapper {
    position: relative;
}

.embed-code-wrapper pre {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    padding-top: 44px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
    overflow-x: auto;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.embed-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 6px 12px;
    background: var(--accent);
    color: #0a0a0a;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.embed-copy-btn:hover {
    background: var(--accent-hover);
}

/* ===== Autofill Dark Mode Override ===== */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus,
textarea:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 1000px var(--bg-secondary) inset !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    caret-color: var(--text-primary);
    transition: background-color 5000s ease-in-out 0s;
}

/* ===== Upgrade Modal ===== */
.upgrade-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 14px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.upgrade-btn:hover {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}
.upgrade-btn i {
    font-size: 1rem;
}

.upgrade-sub {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 6px;
}
.upgrade-pricing {
    text-align: center;
    margin: 0 0 18px;
    padding: 12px 14px;
    background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(217,119,6,0.08));
    border: 1px solid rgba(245,158,11,0.25);
    border-radius: var(--radius-sm);
}
.upgrade-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: #f59e0b;
    letter-spacing: -0.5px;
}
.upgrade-duration {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: 4px;
}
.upgrade-access {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 4px;
}
.upgrade-benefits {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.upgrade-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.upgrade-item:hover {
    border-color: var(--accent);
    background: var(--bg-hover);
}
.upgrade-item i {
    font-size: 1.3rem;
    color: var(--accent);
    margin-top: 2px;
    flex-shrink: 0;
}
.upgrade-item strong {
    color: var(--text-primary);
    font-size: 0.88rem;
}
.upgrade-item div {
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.4;
}
.upgrade-footer {
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
}
.upgrade-wa-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: #25D366;
    color: #fff;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
}
.upgrade-wa-btn:hover {
    background: #20bd5a;
    transform: scale(1.03);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}
.upgrade-wa-btn i {
    font-size: 1.3rem;
}
.upgrade-note {
    color: var(--text-muted);
    font-size: 0.78rem;
    margin: 0;
}

/* ===== Expiration System ===== */

.expiration-section {
    margin-top: 16px;
    padding: 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
}

.expiration-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.expiration-fields {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.expiration-field {
    flex: 1;
    min-width: 140px;
}

.expiration-field label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.expiration-field input {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: inherit;
}

.expiration-field input:focus {
    outline: none;
    border-color: var(--accent);
}

.expiration-quick-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
    width: 100%;
}

.exp-quick-btn {
    padding: 5px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--transition);
}

.exp-quick-btn:hover {
    background: var(--accent-dim);
    color: var(--accent);
    border-color: var(--accent);
}

.exp-quick-btn.exp-never-btn {
    border-color: var(--success);
    color: var(--success);
}

.exp-quick-btn.exp-never-btn:hover {
    background: rgba(34,197,94,0.15);
}

.expiration-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.btn-success {
    background: #22c55e;
    color: white;
}
.btn-success:hover {
    background: #16a34a;
}
.btn-warning {
    background: #f59e0b;
    color: white;
}
.btn-warning:hover {
    background: #d97706;
}

/* Expiration Badges */
.exp-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-left: 4px;
    vertical-align: middle;
}
.exp-active { background: rgba(34,197,94,0.2); color: #22c55e; }
.exp-soon { background: rgba(245,158,11,0.2); color: #f59e0b; }
.exp-expired { background: rgba(239,68,68,0.2); color: #ef4444; }
.exp-never { background: rgba(255,255,255,0.2); color: #d9d9d9; }

/* Expiration Warning Bar */
.expiration-warning-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}
.expiration-warning-bar.warning {
    background: rgba(245,158,11,0.95);
    color: #000;
}
.expiration-warning-bar.error {
    background: rgba(239,68,68,0.95);
    color: #fff;
}
.expiration-warning-bar i {
    font-size: 1rem;
}
.exp-warning-dismiss {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 4px;
    opacity: 0.7;
    margin-left: 12px;
}
.exp-warning-dismiss:hover {
    opacity: 1;
}
@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

/* Bulk actions */
.bulk-actions-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-top: 8px;
    flex-wrap: wrap;
}
.bulk-actions-bar .bulk-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}
.bulk-actions-bar .btn {
    padding: 4px 10px;
    font-size: 0.72rem;
}

/* User list item expiration info */
.user-list-item-exp {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== Billing Modal ===== */
.billing-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
    overflow-x: auto;
}
.billing-tab {
    padding: 10px 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: inherit;
}
.billing-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.billing-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.billing-tab-content { display: none; }
.billing-tab-content.active { display: block; }

/* Credits Hero */
.credits-hero {
    text-align: center;
    padding: 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 20px;
}
.credits-balance-circle {
    width: 120px;
    height: 120px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2a2a2a, #0d0d0d);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 24px rgba(255,255,255,0.3);
}
.credits-amount {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}
.credits-label {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}
.credits-rate {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Credit Packages */
.credit-packages {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}
.credit-package {
    padding: 14px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
    font-family: inherit;
}
.credit-package:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
}
.credit-package.selected {
    border-color: var(--accent);
    background: var(--accent-dim);
    box-shadow: 0 0 0 1px var(--accent);
}
.cp-price {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}
.cp-credits {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Yoco Card Section */
.yoco-card-section {
    margin-top: 12px;
}
.yoco-errors {
    color: var(--error);
    font-size: 0.8rem;
    min-height: 20px;
}
.yoco-actions {
    text-align: center;
}
.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

/* Subscribe Tab */
.subscribe-hero {
    text-align: center;
    padding: 20px;
    margin-bottom: 16px;
}
.subscribe-icon {
    font-size: 3rem;
    color: var(--warning);
    margin-bottom: 8px;
}
.subscribe-hero h3 {
    font-size: 1.3rem;
    margin-bottom: 4px;
}
.subscription-status {
    margin-bottom: 16px;
}
.sub-status-card {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
}
.sub-status-card.active {
    background: rgba(34,197,94,0.1);
    border: 1px solid rgba(34,197,94,0.3);
    color: var(--success);
}
.sub-status-card.expired {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: var(--error);
}
.subscribe-plans {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.subscribe-plan {
    padding: 20px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    font-family: inherit;
}
.subscribe-plan:hover {
    border-color: var(--accent);
}
.subscribe-plan.selected {
    border-color: var(--accent);
    background: var(--accent-dim);
    box-shadow: 0 0 0 1px var(--accent);
}
.sp-badge {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    padding: 2px 12px;
    background: linear-gradient(135deg, var(--warning), #f59e0b);
    color: #111111;
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: 10px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.sp-months {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.sp-price {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}
.sp-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Bank Transfer Tab */
.bank-details-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}
.bank-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}
.bank-detail-row:last-child {
    border-bottom: none;
}
.bank-label {
    color: var(--text-muted);
    font-size: 0.85rem;
}
.bank-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-align: right;
}
.bank-transfer-form {
    margin-top: 12px;
}
.bank-ref-highlight {
    padding: 16px;
    background: var(--bg-primary);
    border: 2px dashed var(--accent);
    border-radius: var(--radius-sm);
    text-align: center;
}
.bank-ref-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.bank-ref-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 2px;
}

/* Transaction History */
.transaction-list {
    max-height: 400px;
    overflow-y: auto;
}
.txn-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}
.txn-item:last-child {
    border-bottom: none;
}
.txn-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
}
.txn-icon.completed { background: rgba(34,197,94,0.15); color: var(--success); }
.txn-icon.pending { background: rgba(245,158,11,0.15); color: var(--warning); }
.txn-icon.failed { background: rgba(239,68,68,0.15); color: var(--error); }
.txn-icon.cancelled { background: rgba(100,100,100,0.15); color: var(--text-muted); }
.txn-info {
    flex: 1;
    min-width: 0;
}
.txn-desc {
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.txn-date {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.txn-credits {
    font-weight: 700;
    font-size: 0.95rem;
    white-space: nowrap;
}
.txn-credits.positive { color: var(--success); }
.txn-credits.negative { color: var(--error); }
.txn-status-badge {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
}
.txn-status-badge.completed { background: rgba(34,197,94,0.15); color: var(--success); }
.txn-status-badge.pending { background: rgba(245,158,11,0.15); color: var(--warning); }
.txn-status-badge.failed { background: rgba(239,68,68,0.15); color: var(--error); }
.txn-status-badge.cancelled { background: rgba(100,100,100,0.15); color: var(--text-muted); }

/* Credits badge in sidebar */
.sidebar-credits-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: linear-gradient(135deg, #2a2a2a, #0d0d0d);
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 700;
    color: #fff;
    margin-left: 4px;
}
.sidebar-credits-badge i {
    font-size: 0.6rem;
}

.btn-warning {
    background: var(--warning);
    color: #111111;
}
.btn-warning:hover {
    background: #d97706;
    color: #fff;
}

/* WhatsApp Button in Footer */
.whatsapp-float {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    vertical-align: middle;
    margin-left: 6px;
}
.whatsapp-float:hover {
    transform: scale(1.15);
    color: #fff;
}

@media (max-width: 600px) {
    .credit-packages {
        grid-template-columns: repeat(3, 1fr);
    }
    .subscribe-plans {
        grid-template-columns: 1fr;
    }
    .bank-detail-row {
        flex-direction: column;
        gap: 2px;
    }
}

/* ===== Pull to Refresh ===== */
.ptr-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 0;
    overflow: hidden;
    color: var(--text-muted);
    font-size: 0.85rem;
    gap: 8px;
    flex-shrink: 0;
    transition: height 0.2s ease;
    user-select: none;
    -webkit-user-select: none;
}
.ptr-indicator .ptr-icon {
    transition: transform 0.3s ease;
    font-size: 1rem;
}
.ptr-indicator .ptr-icon.ptr-rotate {
    transform: rotate(180deg);
}

/* ===== Login mobile-first (small phones) ===== */
@media (max-width: 820px) {
    .login-screen {
        align-items: flex-start;
        justify-content: flex-start;
        padding: 20px 14px;
        overflow-y: auto;
        height: 100vh;
        height: 100dvh;
    }

    .login-screen::before,
    .login-screen::after {
        position: fixed;
    }

    .login-container {
        width: 100%;
        max-width: 420px;
        margin: 0 auto;
        padding: 28px 20px 24px;
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
        border-radius: 18px;
    }

    .login-info {
        display: contents;
    }

    .login-info .login-logo {
        order: 0;
        text-align: center;
        margin-bottom: 16px;
    }

    .login-info .login-logo-icon {
        width: 58px;
        height: 58px;
        margin: 0 auto 10px;
    }

    .login-info .login-logo h1 {
        font-size: 1.45rem;
        margin-bottom: 4px;
    }

    .login-info .login-logo p {
        font-size: 0.78rem;
    }

    .login-panel {
        order: 1;
        padding: 6px 0 0;
    }

    .login-stats {
        order: 2;
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
        margin-top: 22px;
    }

    .login-stat {
        padding: 10px 6px;
        border-radius: 10px;
        align-items: center;
        text-align: center;
    }

    .login-stat-value {
        font-size: 0.95rem;
        line-height: 1.1;
    }

    .login-stat-label {
        font-size: 0.55rem;
        letter-spacing: 0.2px;
        line-height: 1.3;
    }

    .login-features {
        order: 3;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        margin-top: 14px;
    }

    .login-features li {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 6px;
        padding: 12px 8px;
        background: rgba(255,255,255,0.04);
        border: 1px solid rgba(255,255,255,0.07);
        border-radius: 12px;
    }

    .login-features li > i {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }

    .login-features strong {
        font-size: 0.7rem;
        line-height: 1.25;
    }

    .login-features li span {
        display: none;
    }

    .login-security {
        order: 4;
        justify-content: center;
        text-align: center;
        font-size: 0.7rem;
        margin-top: 14px;
        padding: 10px 12px;
        background: rgba(52,211,153,0.05);
    }

    .login-hints {
        order: 5;
        padding: 14px 0 0;
        gap: 4px 16px;
        border-top: none;
        background: transparent;
    }

    .login-toggle {
        margin-top: 14px;
    }
}

/* ===== Login Pro Polish ===== */
.login-screen {
    background:
        radial-gradient(1100px 560px at 50% -12%, rgba(255,255,255,0.12), transparent 60%),
        radial-gradient(900px 520px at 88% 112%, rgba(255,255,255,0.12), transparent 60%),
        #0a0a0a;
}

.login-container {
    box-shadow:
        0 24px 70px rgba(0, 0, 0, 0.55),
        0 0 140px rgba(255, 255, 255, 0.09),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Info panel spotlight + quick feature hover */
.login-info {
    position: relative;
}

.login-info::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(255,255,255,0.22), transparent 70%);
    pointer-events: none;
}

.login-stat-value i {
    margin-right: 6px;
    font-size: 0.78em;
    color: #d9d9d9;
    filter: drop-shadow(0 0 8px rgba(255,255,255,0.5));
}

.login-welcome h2 {
    background: linear-gradient(135deg, #fff 0%, #cfcfcf 60%, #d9d9d9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-upgrade {
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}

/* Keep the top status bar solid & above the logo */
.login-topbar {
    position: relative;
    z-index: 2;
    background: linear-gradient(135deg, rgba(28,28,48,0.95), rgba(38,38,64,0.95));
    border-bottom-color: rgba(255,255,255,0.28);
}

@media (min-width: 821px) {
    .login-stat {
        transition: transform 0.2s ease, border-color 0.2s ease;
    }
    .login-stat:hover {
        transform: translateY(-2px);
        border-color: rgba(255, 255, 255, 0.4);
    }
    .login-features li {
        border-radius: 10px;
        padding: 6px;
        transition: background 0.2s ease, transform 0.2s ease;
    }
    .login-features li:hover {
        background: rgba(255, 255, 255, 0.08);
        transform: translateX(3px);
    }
}

/* Premium animated button */
.login-btn {
    background: linear-gradient(135deg, #ffffff, #8a8a8a, #ffffff);
    background-size: 200% 200%;
    animation: loginBtnGrad 4s ease infinite;
}

@keyframes loginBtnGrad {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Staggered entrance for card sections */
.login-topbar,
.login-info .login-logo,
.login-stats,
.login-features,
.login-security,
.login-panel,
.login-hints {
    animation: loginElIn 0.5s ease both;
}

.login-topbar { animation-delay: 0.05s; }
.login-info .login-logo { animation-delay: 0.1s; }
.login-stats { animation-delay: 0.15s; }
.login-features { animation-delay: 0.2s; }
.login-security { animation-delay: 0.25s; }
.login-panel { animation-delay: 0.2s; }
.login-hints { animation-delay: 0.3s; }

@keyframes loginElIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 820px) {
    .login-screen {
        padding: 16px 12px;
    }
    .login-container {
        padding: 26px 18px 22px;
        border-radius: 20px;
    }
    .login-welcome {
        margin-bottom: 16px;
    }
    .login-welcome h2 {
        font-size: 1.5rem;
    }
    .login-upgrade {
        font-size: 0.74rem;
        gap: 8px;
    }
    .login-info .login-logo-icon {
        width: 62px;
        height: 62px;
    }
    .login-stat-value {
        font-size: 0.8rem;
    }
    .login-stat-value i {
        margin-right: 4px;
    }
    .login-topbar,
    .login-info .login-logo,
    .login-stats,
    .login-features,
    .login-security,
    .login-panel,
    .login-hints {
        animation: none;
    }
    .login-info .login-logo {
        margin-top: 4px;
    }
    .login-topbar {
        margin-bottom: 8px;
    }
}

/* ===== Premium tool badge (sidebar) ===== */
.tool-item {
    position: relative;
}

.tool-item span:not(.tool-premium-badge) {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tool-premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    padding: 2px 6px;
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    border-radius: 6px;
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.35);
    background: rgba(251, 191, 36, 0.1);
    white-space: nowrap;
}

.tool-item:hover .tool-premium-badge {
    background: rgba(251, 191, 36, 0.18);
}

/* ===== AI UI Builder ===== */
.uib-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.uib-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.uib-card {
    position: relative;
    width: min(1080px, calc(100vw - 24px));
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 18px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 120px rgba(255, 255, 255, 0.08);
    overflow: hidden;
    animation: uibIn 0.3s ease;
}

@keyframes uibIn {
    from { opacity: 0; transform: translateY(16px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.uib-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.uib-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 800;
    color: #fff;
}

.uib-title i {
    color: var(--accent-hover);
}

.uib-premium-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.12);
    border: 1px solid rgba(251, 191, 36, 0.35);
    border-radius: 20px;
}

.uib-close {
    margin-left: auto;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.uib-close:hover {
    color: #fff;
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.uib-body {
    flex: 1;
    overflow-y: auto;
    padding: 18px 20px 22px;
}

/* Locked */
.uib-locked {
    text-align: center;
    padding: 40px 20px;
}

.uib-locked-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fbbf24;
    border-radius: 20px;
    background: rgba(251, 191, 36, 0.12);
    border: 1px solid rgba(251, 191, 36, 0.3);
    box-shadow: 0 0 40px rgba(251, 191, 36, 0.15);
}

.uib-locked h3 {
    font-size: 1.3rem;
    margin: 0 0 10px;
    color: #fff;
}

.uib-locked p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 420px;
    margin: 0 auto 22px;
}

.uib-locked .uib-btn-primary,
.uib-locked .uib-btn-ghost {
    margin: 0 6px 8px;
}

/* Buttons */
.uib-btn-primary,
.uib-btn-secondary,
.uib-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 10px;
    padding: 11px 18px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.uib-btn-primary {
    background: linear-gradient(135deg, #ffffff, #8a8a8a);
    color: #0a0a0a;
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
}

.uib-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(255, 255, 255, 0.4);
}

.uib-btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.uib-btn-secondary:hover {
    color: #fff;
    border-color: var(--accent);
}

.uib-btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.uib-btn-ghost:hover {
    color: var(--text-secondary);
    border-color: var(--border-light);
}

/* Tabs */
.uib-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.uib-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.uib-tab i {
    color: var(--text-muted);
}

.uib-tab.active {
    background: var(--accent-dim);
    border-color: rgba(255, 255, 255, 0.45);
    color: var(--accent-hover);
}

.uib-tab.active i {
    color: var(--accent-hover);
}

/* Fields */
.uib-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
    flex: 1;
}

.uib-field label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

.uib-field textarea,
.uib-field input,
.uib-field select {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: #fff;
    padding: 11px 13px;
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.uib-field textarea:focus,
.uib-field input:focus,
.uib-field select:focus {
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.uib-field textarea::placeholder,
.uib-field input::placeholder {
    color: var(--text-muted);
}

.uib-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.uib-generate {
    width: 100%;
    margin-top: 4px;
}

/* Component builder layout */
.uib-cmp-layout {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 1.2fr;
    gap: 16px;
}

@media (max-width: 720px) {
    .uib-cmp-layout {
        grid-template-columns: 1fr;
    }
}

.uib-palette h4,
.uib-stack h4 {
    margin: 0 0 12px;
    font-size: 0.85rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.uib-palette h4 small,
.uib-stack h4 small {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.72rem;
}

.uib-palette-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

@media (max-width: 720px) {
    .uib-palette-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.uib-cmp {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.uib-cmp i {
    font-size: 1.1rem;
    color: var(--accent-hover);
}

.uib-cmp:hover {
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    color: #fff;
}

.uib-cmp:active {
    transform: scale(0.96);
}

.uib-stack-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
    min-height: 60px;
}

.uib-stack-empty {
    border: 1px dashed var(--border-light);
    border-radius: 12px;
    padding: 26px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.uib-stack-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.uib-stack-item.dragging {
    opacity: 0.5;
}

.uib-stack-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.uib-stack-row .drag-grip {
    color: var(--text-muted);
    cursor: grab;
    font-size: 0.9rem;
}

.uib-stack-row > i:not(.drag-grip) {
    color: var(--accent-hover);
    font-size: 0.95rem;
    width: 18px;
    text-align: center;
}

.uib-stack-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
}

.uib-stack-item small {
    color: var(--text-muted);
    font-size: 0.7rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.uib-arr {
    display: flex;
    gap: 4px;
}

.uib-arr-btn,
.uib-remove {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 7px;
    color: var(--text-muted);
    font-size: 0.68rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.uib-arr-btn:hover {
    color: #fff;
    border-color: var(--accent);
}

.uib-remove:hover {
    color: #ef4444;
    border-color: var(--error);
}

/* Per-component prompt */
.uib-stack-prompt {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.uib-stack-prompt > i {
    color: var(--text-muted);
    font-size: 0.72rem;
    flex-shrink: 0;
}

.uib-stack-prompt-input {
    flex: 1;
    min-width: 0;
    background: none;
    border: none;
    outline: none;
    color: #fff;
    font-size: 0.76rem;
    font-family: inherit;
    padding: 4px 0;
}

.uib-stack-prompt-input::placeholder {
    color: var(--text-muted);
}

.uib-stack-prompt-input:focus {
    color: #fff;
}

/* Status */
.uib-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    margin-top: 6px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.uib-status i {
    color: var(--accent-hover);
}

/* Result */
.uib-result-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    position: sticky;
    top: 0;
    z-index: 6;
    background: var(--bg-secondary);
    padding: 4px 0;
}

.uib-rtab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 9px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.uib-rtab.active {
    background: var(--accent-dim);
    border-color: rgba(255, 255, 255, 0.45);
    color: var(--accent-hover);
}

.uib-preview-wrap {
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    margin-bottom: 14px;
    display: flex;
    flex-direction: column;
}

.uib-preview-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.uib-preview-dim {
    flex: 1;
    min-width: 90px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.uib-preview-dim i {
    color: var(--accent-hover);
}

.uib-fs-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.76rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.uib-fs-btn:hover {
    color: #fff;
    border-color: var(--accent);
}

.uib-fs-btn i {
    font-size: 0.8rem;
}

.uib-preview-frame {
    width: 100%;
    height: 65vh;
    min-height: 320px;
    border: none;
    display: block;
    background: #fff;
    flex: none;
}

.uib-preview-wrap.uib-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 15000;
    margin: 0;
    border: none;
    border-radius: 0;
    background: #fff;
}

.uib-preview-wrap.uib-fullscreen .uib-preview-toolbar {
    padding: 12px 16px;
    flex: none;
}

.uib-preview-wrap.uib-fullscreen .uib-preview-frame {
    flex: 1;
    height: auto;
    min-height: 0;
    width: 100%;
}

/* AI edit panel */
.uib-ai-panel {
    margin-bottom: 14px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    background: var(--bg-tertiary);
}

.uib-ai-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.uib-ai-editing {
    flex: 1;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-hover);
}

.uib-ai-close {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.uib-ai-close:hover {
    color: #fff;
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.uib-ai-images {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
    padding: 10px;
    border: 1px dashed var(--border-light);
    border-radius: 10px;
    transition: all 0.2s ease;
}

.uib-ai-images.is-drag {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.uib-ai-upload {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 9px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.uib-ai-upload:hover {
    color: #fff;
    border-color: var(--accent);
}

.uib-ai-thumbs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.uib-ai-thumb {
    position: relative;
    width: 66px;
    height: 66px;
    border-radius: 9px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    background: var(--bg-primary);
}

.uib-ai-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.uib-ai-thumb-name {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 2px 4px;
    font-size: 0.56rem;
    color: #fff;
    background: rgba(0, 0, 0, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.uib-ai-thumb-remove {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    font-size: 0.6rem;
    cursor: pointer;
    transition: background 0.2s ease;
}

.uib-ai-thumb-remove:hover {
    background: var(--error);
}

.uib-ai-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.uib-ai-btn {
    border-color: rgba(255, 255, 255, 0.45);
    color: var(--accent-hover);
}

.uib-btn-primary.is-busy {
    opacity: 0.7;
    pointer-events: none;
}

.uib-btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.uib-code-wrap {
    margin-bottom: 14px;
}

.uib-code-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    margin-bottom: 10px;
    border-radius: 10px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    background: var(--accent-dim);
    border: 1px solid rgba(255, 255, 255, 0.4);
    line-height: 1.5;
}

.uib-code-hint i {
    color: var(--accent-hover);
}

.uib-code-hint b {
    color: #fff;
}

.uib-code-area {
    width: 100%;
    height: 52vh;
    min-height: 320px;
    background: #121212;
    color: #d1d5db;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.55;
    white-space: pre;
    overflow: auto;
    outline: none;
    resize: vertical;
    box-sizing: border-box;
}

.uib-code-area.editing {
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
    background: #141414;
}

.uib-code-area:focus {
    border-color: rgba(255, 255, 255, 0.5);
}

.uib-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    position: sticky;
    bottom: 0;
    margin: 0 -20px;
    padding: 12px 20px;
    background: var(--bg-secondary);
    z-index: 5;
}

/* Builder toast */
.uib-toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%) translateY(20px);
    z-index: 20001;
    max-width: min(420px, calc(100vw - 32px));
    padding: 12px 18px;
    border-radius: 12px;
    font-size: 0.85rem;
    color: #fff;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s ease;
    text-align: center;
}

.uib-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.uib-toast.ok {
    border-color: rgba(34, 197, 94, 0.5);
}

.uib-toast.error {
    border-color: rgba(239, 68, 68, 0.5);
    background: #2a1a1a;
}

@media (max-width: 480px) {
    .uib-stack-item small {
        display: none;
    }
    .uib-stack-name {
        flex: 1;
    }
}

/* ===== Black & White Pro Theme ===== */
.logo img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
}
.sidebar-header .logo img { width: 28px; height: 28px; }

/* Welcome backdrop */
.welcome-screen {
    background:
        radial-gradient(ellipse 70% 60% at 50% 32%, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.86) 72%),
        url('assets/img-network.jpg') center/cover no-repeat;
}

/* Login info panel backdrop */
.login-info {
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.50) 0%, rgba(0, 0, 0, 0.80) 60%, rgba(0, 0, 0, 0.94) 100%),
        url('assets/banner-login.jpg') center/cover no-repeat;
    border-right: 1px solid var(--border);
}

/* Login logo badge */
.login-logo-icon {
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 12px 34px rgba(0, 0, 0, 0.55);
    animation: none;
}
.login-logo-icon::after { display: none; }
.login-logo-icon img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }

/* Neutral top status bar */
.login-topbar {
    background: linear-gradient(135deg, rgba(20, 20, 20, 0.96), rgba(30, 30, 30, 0.96));
    border-bottom-color: var(--border);
}

/* Neutral login card (remove blue cast) */
.login-container {
    background: rgba(10, 10, 10, 0.82);
    border-color: var(--border);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Neutral upgrade note */
.login-upgrade {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    border-color: var(--border-light);
    color: var(--text-secondary);
}
.login-upgrade i { color: #d9d9d9; }
.login-upgrade strong { color: #ffffff; }

/* Sidebar upgrade button */
.upgrade-btn {
    background: linear-gradient(135deg, #2a2a2a, #101010);
    color: #ffffff;
    border: 1px solid var(--border-light);
}

/* Softer, monochrome focus rings */
.input-wrapper:focus-within {
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35);
}
.login-form input:focus {
    border-color: rgba(255, 255, 255, 0.45) !important;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08) !important;
}
.step-body code { color: #ffffff; }