/* ==========================================================================
   CAT — Personal Web Application Launcher
   Refined Layout & Theme System
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design System & CSS Custom Properties
   -------------------------------------------------------------------------- */

:root {
    /* Color Palette - Default Light Theme */
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-header: rgba(255, 255, 255, 0.9);
    --bg-modal: #ffffff;
    --bg-overlay: rgba(15, 23, 42, 0.5);
    
    --border-color: #e2e8f0;
    --border-color-hover: #cbd5e1;
    --border-focus: #2563eb;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-on-accent: #ffffff;

    --accent-primary: #2563eb;
    --accent-primary-hover: #1d4ed8;
    --accent-light: #eff6ff;
    
    --accent-success: #10b981;
    --accent-danger: #ef4444;
    --accent-danger-hover: #dc2626;

    --badge-bg: #e0e7ff;
    --badge-text: #3730a3;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-full: 9999px;

    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Explicit Dark Theme Overrides (Matches Reference Design) */
[data-theme="dark"] {
    --bg-main: #090d16;
    --bg-surface: #111726;
    --bg-surface-hover: #161f33;
    --bg-card: #111726;
    --bg-card-hover: #161f33;
    --bg-header: rgba(13, 19, 34, 0.92);
    --bg-modal: #111726;
    --bg-overlay: rgba(0, 0, 0, 0.75);

    --border-color: #1d273d;
    --border-color-hover: #2b3a5c;
    --border-focus: #3b82f6;

    --text-primary: #f3f4f6;
    --text-secondary: #8a99ad;
    --text-muted: #526075;
    --text-on-accent: #ffffff;

    --accent-primary: #2563eb;
    --accent-primary-hover: #3b82f6;
    --accent-light: rgba(37, 99, 235, 0.2);

    --badge-bg: rgba(139, 92, 246, 0.2);
    --badge-text: #c084fc;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.5);
}

/* System Theme Query */
@media (prefers-color-scheme: dark) {
    [data-theme="system"] {
        --bg-main: #090d16;
        --bg-surface: #111726;
        --bg-surface-hover: #161f33;
        --bg-card: #111726;
        --bg-card-hover: #161f33;
        --bg-header: rgba(13, 19, 34, 0.92);
        --bg-modal: #111726;
        --bg-overlay: rgba(0, 0, 0, 0.75);

        --border-color: #1d273d;
        --border-color-hover: #2b3a5c;
        --border-focus: #3b82f6;

        --text-primary: #f3f4f6;
        --text-secondary: #8a99ad;
        --text-muted: #526075;
        --text-on-accent: #ffffff;

        --accent-primary: #2563eb;
        --accent-primary-hover: #3b82f6;
        --accent-light: rgba(37, 99, 235, 0.2);

        --badge-bg: rgba(139, 92, 246, 0.2);
        --badge-text: #c084fc;

        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.5);
    }
}

/* --------------------------------------------------------------------------
   2. Resets & Global Base Rules
   -------------------------------------------------------------------------- */

html {
    box-sizing: border-box;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

*, *::before, *::after {
    box-sizing: inherit;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
    color: inherit;
    text-decoration: none;
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

/* --------------------------------------------------------------------------
   3. Header & Navigation Layout
   -------------------------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.header-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
}

.header-search-row {
    display: flex;
    justify-content: center;
    width: 100%;
}

.header-search-row .search-box {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
    position: relative;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.brand-logo {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: #ffffff;
    font-weight: 800;
    font-size: 1.05rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.02em;
}

.brand-title {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Compact Search Bar */
.search-box {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.55rem 1rem 0.55rem 2.35rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    display: flex;
}

/* Header Controls */
.header-controls-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

.header-status-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.header-main-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.btn:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--border-color-hover);
}

.btn-primary {
    background-color: var(--accent-primary);
    color: var(--text-on-accent);
    border-color: var(--accent-primary);
    font-weight: 600;
}

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

.btn-danger {
    background-color: var(--accent-danger);
    color: var(--text-on-accent);
    border-color: var(--accent-danger);
}

.btn-danger:hover {
    background-color: var(--accent-danger-hover);
    border-color: var(--accent-danger-hover);
}

.btn-success {
    background-color: var(--accent-success, #10b981);
    color: #ffffff;
    border-color: var(--accent-success, #10b981);
}

.btn-success:hover {
    background-color: #059669;
    border-color: #059669;
}

/* Manage Dropdown */
.dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.dropdown-toggle svg {
    margin-left: 0.15rem;
    transition: transform var(--transition-fast);
}

.dropdown-wrapper.active .dropdown-toggle svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    display: none; /* Fully hidden from layout when closed */
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    width: 250px;
    background-color: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.4rem;
    flex-direction: column;
    gap: 0.15rem;
    z-index: 1000;
}

.dropdown-menu.active {
    display: flex;
    animation: dropdownFadeIn 0.15s ease-out;
}

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


.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--bg-surface-hover);
}

.dropdown-item svg {
    color: var(--text-muted);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0.35rem 0;
}

.dropdown-section-title {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem 0.2rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.theme-option {
    position: relative;
}

.theme-option .check-icon {
    margin-left: auto;
    display: none;
    color: var(--accent-primary);
}

.theme-option.active {
    background-color: var(--accent-light);
    color: var(--accent-primary);
    font-weight: 600;
}

.theme-option.active .check-icon {
    display: inline-block;
}

/* Header Coffee Pill Button */
.btn-coffee-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.75rem;
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-coffee-pill:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--border-color-hover);
    transform: translateY(-1px);
}

.coffee-emoji {
    font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   4. Main Content Area & Dashboard Layout
   -------------------------------------------------------------------------- */

.main-content {
    flex: 1;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

/* Production Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--bg-surface);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 540px;
    margin: 3rem auto;
    box-shadow: var(--shadow-sm);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background-color: var(--accent-light);
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.empty-state-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Category Sections */
.category-section {
    margin-bottom: 3rem;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0.65rem;
    margin-bottom: 1.25rem;
    border-bottom: 2px solid var(--profile-accent, var(--border-color));
}

.category-title-group {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.category-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.category-count {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.15rem 0.55rem;
    background-color: var(--badge-bg);
    color: var(--badge-text);
    border-radius: var(--radius-full);
}

.btn-category-toggle {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.btn-category-toggle:hover {
    color: var(--text-primary);
}

/* Applications Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
}

/* Application Card */
.app-card {
    position: relative;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    cursor: pointer;
}

.app-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-md);
    background-color: var(--bg-card-hover);
}

.app-card-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

/* Decorative Icon Badge Variants */
.app-icon-badge {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.app-icon-badge.color-purple { background-color: rgba(139, 92, 246, 0.15); color: #c084fc; }
.app-icon-badge.color-blue   { background-color: rgba(59, 130, 246, 0.15);  color: #60a5fa; }
.app-icon-badge.color-teal   { background-color: rgba(20, 184, 166, 0.15);  color: #2dd4bf; }
.app-icon-badge.color-orange { background-color: rgba(249, 115, 22, 0.15);  color: #fb923c; }
.app-icon-badge.color-indigo { background-color: rgba(99, 102, 241, 0.15);  color: #a5b4fc; }
.app-icon-badge.color-cyan   { background-color: rgba(6, 182, 212, 0.15);   color: #38bdf8; }
.app-icon-badge.color-emerald{ background-color: rgba(16, 185, 129, 0.15);  color: #34d399; }

.external-icon {
    color: var(--text-muted);
    opacity: 0.6;
    transition: opacity var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

.app-card:hover .external-icon {
    opacity: 1;
    color: var(--accent-primary);
}

.app-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
    margin-bottom: 0.75rem;
}

.app-description {
    display: none;
}

/* Visually Secondary Controls */
.app-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.65rem;
    border-top: 1px dashed var(--border-color);
    margin-top: auto;
}

.app-category-tag {
    font-size: 0.725rem;
    font-weight: 600;
    padding: 0.2rem 0.65rem;
    background-color: var(--badge-bg);
    color: var(--badge-text);
    border-radius: var(--radius-full);
    max-width: 140px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    opacity: 0.4;
    transition: opacity var(--transition-fast);
}

.app-card:hover .app-actions,
.app-card:focus-within .app-actions {
    opacity: 1;
}

.btn-card-action {
    padding: 0.25rem 0.4rem;
    font-size: 0.75rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

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

.btn-card-action.danger:hover {
    color: var(--accent-danger);
}

/* --------------------------------------------------------------------------
   5. Modals & Dialogs
   -------------------------------------------------------------------------- */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-overlay);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    padding: 1rem;
    box-sizing: border-box;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background-color: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform var(--transition-fast);
    overflow: hidden;
}

.modal-overlay.active .modal-card {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 600;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    border-radius: var(--radius-sm);
}

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

.modal-body {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-surface);
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Category Manager List in Modal */
.cat-manager-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.cat-manager-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.6rem 0.85rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.cat-manager-input {
    flex: 1;
    background: transparent;
    border: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.cat-manager-input:focus {
    outline: none;
    border-bottom: 1px solid var(--border-focus);
}

.cat-manager-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Backup & Restore Layout */
.backup-section {
    padding-bottom: 1.25rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.backup-section:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.backup-section-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.backup-section-desc {
    font-size: 0.825rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 2000;
}

.toast {
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.success {
    border-left: 4px solid var(--accent-success);
}

.toast.error {
    border-left: 4px solid var(--accent-danger);
}

@keyframes toastIn {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* --------------------------------------------------------------------------
   6. Site Footer & Coffee Support Link
   -------------------------------------------------------------------------- */

.site-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    background-color: var(--bg-surface);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.footer-dot {
    opacity: 0.5;
}

.footer-coffee-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-coffee-link:hover {
    color: var(--accent-primary);
}

/* --------------------------------------------------------------------------
   7. Responsiveness (Mobile / Tablet)
   -------------------------------------------------------------------------- */

@media (hover: none) {
    .app-actions {
        opacity: 0.85;
    }
}



@media (max-width: 480px) {
    .brand-title {
        font-size: 1.1rem;
    }

    .brand-subtitle {
        display: none;
    }

    .btn span {
        font-size: 0.75rem;
    }

    .btn-card-action {
        padding: 0.35rem 0.5rem;
        font-size: 0.85rem;
        min-height: 36px;
    }
}

/* ==========================================================================
   Authentication & User Account System Styles
   ========================================================================== */

/* Header Auth Status Indicator Pill */
.auth-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 0.75rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.auth-status-pill:hover {
    border-color: var(--border-color-hover);
}

.auth-storage-notice {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
}

.auth-storage-notice svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.auth-user-info {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-user-info:hover {
    color: var(--accent-primary);
}

.auth-user-email {
    display: inline-block;
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
}

.auth-user-email strong {
    color: var(--text-primary);
    font-weight: 600;
}

.auth-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.auth-dot-online {
    background-color: var(--accent-success);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.78125rem;
    border-radius: var(--radius-sm);
    min-height: auto;
}

.btn-auth-signin {
    background: var(--accent-primary);
    color: var(--text-on-accent);
    text-decoration: none;
    font-weight: 500;
}

.btn-auth-signin:hover {
    background: var(--accent-primary-hover);
    color: var(--text-on-accent);
}

.btn-outline-auth {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
}

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

/* Standalone Auth Pages Layout */
.auth-body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    margin: 0;
}

.auth-wrapper {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.auth-brand {
    text-align: center;
}

.auth-brand .brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.auth-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 0.4rem 0;
    color: var(--text-primary);
    text-align: center;
}

.auth-card-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0 0 1.5rem 0;
    text-align: center;
    line-height: 1.45;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
}

.form-label-row .form-label {
    margin-bottom: 0;
}

.auth-link-sm {
    font-size: 0.8125rem;
    color: var(--accent-primary);
    text-decoration: none;
}

.auth-link-sm:hover {
    text-decoration: underline;
}

.btn-block {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.7rem 1rem;
    font-size: 0.9375rem;
}

.auth-card-footer {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    gap: 0.4rem;
}

.auth-link {
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: none;
}

.auth-link:hover {
    text-decoration: underline;
}

.auth-back-link {
    text-align: center;
}

.auth-back-link a {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-back-link a:hover {
    color: var(--text-primary);
}

/* Alert Notification Boxes */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    line-height: 1.45;
    margin-bottom: 1.25rem;
}

.alert svg {
    flex-shrink: 0;
    margin-top: 1px;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.alert-info {
    background-color: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    color: #3b82f6;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

/* Voluntary PayPal Coffee Support Section on Register */
.auth-support-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.auth-support-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.auth-support-icon {
    font-size: 1.2rem;
}

.auth-support-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.auth-support-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin: 0 0 1rem 0;
}

/* Account Info Rows */
.account-info-group {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    background: var(--bg-main);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.account-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    gap: 1rem;
}

.account-info-label {
    color: var(--text-muted);
}

.account-info-value {
    color: var(--text-primary);
    font-weight: 500;
    word-break: break-all;
}

.account-badge {
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-active {
    background-color: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

/* Destructive Danger Zone Card */
.auth-card-danger {
    border-color: rgba(239, 68, 68, 0.3);
}

.auth-card-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.text-danger {
    color: var(--accent-danger);
}

/* ==========================================================================
   Mobile & Real Device Single-Column Header Stack (<= 768px)
   ========================================================================== */
@media (max-width: 768px) {
    /* Prevent horizontal scrolling on mobile viewports */
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    /* Site Header Container — Full Width Single Column */
    .site-header {
        padding: 0.65rem 0.85rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .header-container {
        display: flex !important;
        flex-direction: column !important;
        grid-template-columns: none !important;
        gap: 0.65rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .header-top-row {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: flex-start !important;
        grid-template-columns: none !important;
        gap: 0.65rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* 1. Branding Row — Full Width Top Row */
    .header-brand-row {
        width: 100% !important;
        max-width: 100% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        box-sizing: border-box !important;
    }

    .brand-link {
        display: inline-flex !important;
        align-items: center !important;
        max-width: 100% !important;
        width: 100% !important;
    }

    .brand {
        display: flex !important;
        align-items: center !important;
        gap: 0.75rem !important;
        width: 100% !important;
        max-width: 100% !important;
        grid-column: auto !important;
    }

    .brand-logo {
        flex-shrink: 0 !important;
        width: 38px !important;
        height: 38px !important;
    }

    .brand-title {
        font-size: 1.25rem !important;
        font-weight: 700 !important;
        white-space: nowrap !important; /* Prevents "My Web Desk" from wrapping vertically! */
        line-height: 1.2 !important;
    }

    .header-controls-group {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.65rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        grid-column: auto !important;
    }

    /* 2. Account / Status Row — Full Width Sentence Layout */
    .header-status-row {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 0.5rem !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
    }

    .auth-status-pill {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 0.5rem !important;
        flex: 1 1 auto !important;
        min-width: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0.45rem 0.85rem !important;
        font-size: 0.85rem !important;
        background: var(--bg-surface) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: var(--radius-full) !important;
    }

    .auth-user-info {
        display: flex !important;
        align-items: center !important;
        gap: 0.4rem !important;
        min-width: 0 !important;
        flex: 1 1 auto !important;
        overflow: hidden !important;
    }

    .auth-user-email {
        display: block !important;
        min-width: 0 !important;
        flex: 1 1 auto !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        font-size: 0.8125rem !important;
    }

    .auth-storage-notice {
        display: flex !important;
        align-items: center !important;
        gap: 0.4rem !important;
        min-width: 0 !important;
        flex: 1 1 auto !important;
    }

    .auth-notice-text {
        font-size: 0.8125rem !important;
        white-space: normal !important; /* Sentence wraps naturally across full viewport width! */
        line-height: 1.35 !important;
        color: var(--text-muted) !important;
    }

    .btn-auth-signin,
    .btn-outline-auth {
        flex-shrink: 0 !important;
        white-space: nowrap !important;
        padding: 0.35rem 0.75rem !important;
        font-size: 0.8125rem !important;
    }

    .save-status-pill {
        flex-shrink: 0 !important;
        padding: 0.35rem 0.65rem !important;
        white-space: nowrap !important;
    }

    /* 3. Action Buttons Row (Add App, Manage, Buy Me a Coffee) */
    .header-main-actions {
        display: flex !important;
        align-items: center !important;
        gap: 0.5rem !important;
        flex-wrap: wrap !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .header-main-actions > .btn,
    .header-main-actions > .dropdown-wrapper,
    .header-main-actions > .btn-coffee-pill {
        flex: 1 1 100px !important;
        min-width: 0 !important;
        max-width: 100% !important;
    }

    .header-main-actions .btn,
    .header-main-actions .dropdown-toggle {
        width: 100% !important;
        min-height: 42px !important;
        justify-content: center !important;
        padding: 0.5rem 0.5rem !important;
        font-size: 0.85rem !important;
        white-space: nowrap !important;
        box-sizing: border-box !important;
    }

    /* 4. Search Bar Row — MUST be below all action buttons, full width */
    .header-search-row {
        width: 100% !important;
        max-width: 100% !important;
        display: flex !important;
        box-sizing: border-box !important;
        margin-top: 0.15rem !important;
        grid-column: auto !important;
    }

    .header-search-row .search-box {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        box-sizing: border-box !important;
        grid-column: auto !important;
    }

    .search-input {
        width: 100% !important;
        max-width: 100% !important;
        min-height: 44px !important;
        font-size: 0.9375rem !important;
        padding: 0.55rem 1rem 0.55rem 2.4rem !important;
        border-color: var(--border-color-hover) !important;
        box-shadow: var(--shadow-sm) !important;
        box-sizing: border-box !important;
    }

    /* Main Content Area & Drawers Spacing */
    .main-content {
        padding: 1rem 0.85rem 2.5rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .dashboard-container {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .category-section {
        margin-bottom: 1.75rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .category-header {
        padding-bottom: 0.5rem !important;
        margin-bottom: 0.85rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .category-title-group {
        min-width: 0 !important;
        flex: 1 !important;
    }

    .category-title {
        font-size: 1.15rem !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }

    .btn-category-toggle {
        min-width: 36px !important;
        min-height: 36px !important;
        justify-content: center !important;
        flex-shrink: 0 !important;
    }

    /* Single-Column App Cards Grid */
    .apps-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 0.85rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .app-card {
        padding: 1.1rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        min-width: 0 !important;
        overflow: hidden !important;
    }

    .app-name {
        font-size: 1rem !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }

    .app-description {
        font-size: 0.85rem !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }

    .app-actions {
        opacity: 0.9 !important;
    }

    .btn-card-action {
        padding: 0.4rem 0.55rem !important;
        min-height: 36px !important;
        min-width: 36px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
}

/* Extra Small Phones & Narrow Screens (<= 480px) */
@media (max-width: 480px) {
    .site-header {
        padding: 0.6rem 0.65rem !important;
    }

    .main-content {
        padding: 0.85rem 0.65rem 2rem !important;
    }

    .auth-notice-text {
        font-size: 0.78125rem !important;
    }

    /* Force 100% vertical full-width stacking for action buttons on phones */
    .header-main-actions {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        gap: 0.45rem !important;
    }

    .header-main-actions > .btn,
    .header-main-actions > .dropdown-wrapper,
    .header-main-actions > .btn-coffee-pill {
        width: 100% !important;
        flex: 1 1 auto !important;
        max-width: 100% !important;
    }

    .header-main-actions .btn,
    .header-main-actions .dropdown-toggle {
        width: 100% !important;
        min-height: 42px !important;
        font-size: 0.875rem !important;
        padding: 0.5rem 0.75rem !important;
    }
}

@media (max-width: 350px) {
    .header-main-actions {
        flex-direction: column !important;
    }

    .header-main-actions > .btn,
    .header-main-actions > .dropdown-wrapper,
    .header-main-actions > .btn-coffee-pill {
        width: 100% !important;
        flex: 1 1 auto !important;
    }
}

/* Cloud Storage Save Status Indicator */
.save-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.save-status-saved {
    background-color: rgba(16, 185, 129, 0.12);
    color: #10b981;
}

.save-status-saving {
    background-color: rgba(37, 99, 235, 0.12);
    color: #3b82f6;
}

.save-status-error {
    background-color: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.save-status-icon {
    font-size: 0.8rem;
    line-height: 1;
}

/* Clickable Brand Link Header */
.brand-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
    transition: opacity var(--transition-fast);
}

.brand-link:hover,
.brand-link:focus,
.brand-link:active {
    text-decoration: none;
    color: inherit;
    opacity: 0.9;
}

/* Buy Me a Coffee Donation Modal */
.donate-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
    margin-bottom: 1.25rem;
}

.donate-chip {
    padding: 0.65rem 0.5rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.donate-chip:hover {
    border-color: var(--accent-primary);
    background-color: var(--bg-card-hover);
}

.donate-chip.active {
    background-color: var(--accent-light);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.donate-custom-wrapper {
    margin-bottom: 1.25rem;
    display: none;
}

.donate-custom-wrapper.active {
    display: block;
}

.donate-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.donate-currency-prefix {
    position: absolute;
    left: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    pointer-events: none;
}

.donate-input-group .form-control {
    padding-left: 2rem;
}

/* ==========================================================================
   Preset Desks Interface & Editor Styles
   ========================================================================== */

/* Large Dropdown Menu for Preset Desks */
.dropdown-menu-large {
    min-width: 280px !important;
    max-width: 340px !important;
}

/* Preset Desk Manager List Cards */
.preset-desks-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    max-height: 480px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.preset-desk-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.preset-desk-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-sm);
}

.preset-desk-card-main {
    flex: 1 1 auto;
    min-width: 0;
}

.preset-desk-card-header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 0.25rem;
}

.preset-desk-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preset-desk-desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin: 0.2rem 0 0.5rem 0;
    line-height: 1.35;
}

.preset-desk-drawers-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.4rem;
}

.preset-drawer-tag {
    font-size: 0.725rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card-hover);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.preset-desk-card-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Preset Desk Editor App Checkbox Selector */
.preset-editor-apps-container {
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    padding: 0.85rem;
}

.preset-editor-drawer-group {
    margin-bottom: 1rem;
}

.preset-editor-drawer-group:last-child {
    margin-bottom: 0;
}

.preset-editor-drawer-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent-primary);
    margin: 0 0 0.5rem 0;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--border-color);
}

.preset-editor-apps-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.preset-app-checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 0.65rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.preset-app-checkbox-item:hover {
    background-color: var(--bg-card-hover);
}

.preset-app-checkbox-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.preset-app-checkbox-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

.preset-app-checkbox-url {
    font-size: 0.78125rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}