/**
 * Data Center - Your Cozy Control Room
 * Warm teal, personal dashboard feel. Not a SaaS admin panel.
 * @version 2.0.0
 */

/* =========================================================================
   THEME COLORS
   ========================================================================= */

.app-data {
    --data-primary: #0D9488;
    --data-secondary: #0F766E;
    --data-accent: #5EEAD4;
    --data-bg: #FAFAF8;
    --data-card-bg: #FFF;
    --data-border: rgb(13 148 136 / 12%);
    --data-tint: rgb(13 148 136 / 5%);
}

/* Ensure sidebar header is visible */
.app-data .sidebar-header {
    background: var(--sidebar-bg, #f8f9fa);
    min-height: 64px;
    padding-top: var(--space-2, 8px);
}

/* Account for preview environment bar at top - adds space for external toolbars */
.app-data .app-sidebar {
    top: var(--preview-bar-height, 0px);
    padding-top: env(safe-area-inset-top, 0);
}

.app-data .sidebar-brand {
    color: var(--text-primary, #1f2937);
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-data .sidebar-brand-icon {
    display: block;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.app-data .sidebar-brand-text {
    color: var(--text-primary, #1f2937);
    font-weight: 600;
    font-size: 16px;
}

/* Theme Toggle Styles */
.app-data .header-theme-toggle {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    position: relative;
    isolation: isolate;
}

.app-data .header-theme-toggle button {
    background-color: rgb(0 0 0 / 10%);
    border: 1px solid rgb(0 0 0 / 20%);
    border-radius: 20px;
    padding: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    width: 56px;
    height: 28px;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.app-data .header-theme-toggle button:hover {
    background-color: rgb(0 0 0 / 15%);
}

.app-data .header-theme-toggle button .toggle-icon {
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Android Emoji", "EmojiOne Color", "Twemoji Mozilla", system-ui, -apple-system, sans-serif;
    font-size: 14px;
    position: absolute;
    transition: all 0.3s ease;
    z-index: 2;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.app-data .header-theme-toggle button .ghibli-icon {
    left: 3px;
    opacity: 1;
    transform: scale(1.1);
}

.app-data .header-theme-toggle button .real-icon {
    right: 3px;
    opacity: 0.5;
}

.app-data .header-theme-toggle button .toggle-slider {
    width: 22px;
    height: 22px;
    background-color: #fff;
    border-radius: 50%;
    position: absolute;
    left: 3px;
    top: 3px;
    box-shadow: 0 1px 3px rgb(0 0 0 / 20%);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    z-index: 1;
    pointer-events: none;
}

body.real-mode .app-data .header-theme-toggle button .toggle-slider {
    transform: translateX(28px);
}

body.real-mode .app-data .header-theme-toggle button .ghibli-icon {
    opacity: 0.5;
    transform: scale(1);
}

body.real-mode .app-data .header-theme-toggle button .real-icon {
    opacity: 1;
    transform: scale(1.1) translateX(-1.5px);
}

/* =========================================================================
   PAGE HEADER WITH SIDEBAR - Full width header above sidebar
   ========================================================================= */

/* Header spans full width, fixed at top */
body.has-sidebar.app-data .page-header,
.app-data .page-header {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--data-bg);
    border-bottom: 1px solid var(--data-border);
    box-shadow: 0 1px 3px rgb(13 148 136 / 4%);
    z-index: 100;
}

.app-data .header-container {
    max-width: none;
    padding: 12px 20px;
}

/* Sidebar starts below the header */
.app-data .app-sidebar {
    top: 56px; /* Header height */
    height: calc(100vh - 56px);
    background: var(--data-bg);
    border-right-color: var(--data-border);
}

/* Main content area accounts for fixed header */
.app-data .app-main {
    margin-top: 56px; /* Header height */
    background: var(--data-bg);
}

/* Mobile menu toggle in header */
.app-data .page-header .mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--data-border);
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    margin-right: 12px;
    flex-shrink: 0;
}

.app-data .page-header .mobile-menu-toggle:hover {
    background: var(--data-tint);
}

.app-data .page-header .mobile-menu-icon {
    width: 20px;
    height: 20px;
}

@media (max-width: 768px) {
    .app-data .page-header .mobile-menu-toggle {
        display: flex;
    }
}

/* Hide sidebar brand since we now have page-header with logo */
.app-data .sidebar-brand {
    display: none;
}

/* Hide sidebar header entirely since collapse is less useful in this layout */
.app-data .sidebar-header {
    display: none;
}

/* Add top padding to sidebar nav since header is hidden */
.app-data .sidebar-nav {
    padding-top: var(--space-6, 24px);
}

/* =========================================================================
   SIDEBAR FOOTER BUTTON
   ========================================================================= */

.sidebar-footer-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    background: var(--data-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 8px;
    box-shadow: 0 2px 8px rgb(13 148 136 / 15%);
}

.sidebar-footer-btn:hover {
    background: var(--data-secondary);
    box-shadow: 0 4px 12px rgb(13 148 136 / 20%);
    transform: translateY(-1px);
}

.sidebar-footer-btn:active {
    transform: translateY(0);
}

.sidebar-footer-btn .sidebar-nav-icon {
    font-size: 16px;
}

/* When sidebar is collapsed, hide button text */
.app-sidebar.collapsed .sidebar-footer-btn .sidebar-nav-text {
    opacity: 0;
    width: 0;
}

.app-sidebar.collapsed .sidebar-footer-btn {
    justify-content: center;
    padding: 12px;
}

/* Medium screens - collapsed by default, expand on hover */
@media (max-width: 1024px) and (min-width: 769px) {
    .sidebar-footer-btn .sidebar-nav-text {
        opacity: 0;
        width: 0;
    }

    .sidebar-footer-btn {
        justify-content: center;
        padding: 12px;
    }

    /* Expand on hover */
    .app-sidebar:hover .sidebar-footer-btn .sidebar-nav-text,
    .app-sidebar:focus-within .sidebar-footer-btn .sidebar-nav-text {
        opacity: 1;
        width: auto;
    }

    .app-sidebar:hover .sidebar-footer-btn,
    .app-sidebar:focus-within .sidebar-footer-btn {
        justify-content: flex-start;
        padding: 12px 16px;
    }
}

/* =========================================================================
   MAIN CONTENT
   ========================================================================= */

.data-center-main {
    background: var(--data-bg);
    min-height: calc(100vh - var(--size-header-height, 56px));
    padding: 0;
}

/* =========================================================================
   DATA SECTIONS
   ========================================================================= */

.data-section {
    display: none;
    padding: var(--space-4) var(--space-6);
    animation: fadeIn 0.2s ease;
}

.data-section.active {
    display: block;
}

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

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1.5px dashed var(--data-border);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--data-secondary);
    margin: 0;
}

.subsection-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--data-primary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin: var(--space-6) 0 var(--space-4);
}

.section-actions {
    display: flex;
    gap: var(--space-2);
}

/* =========================================================================
   HERO STATS
   ========================================================================= */

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.hero-stat-card {
    background: var(--data-card-bg);
    border-radius: 16px;
    padding: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    border: 1px solid var(--data-border);
}

.hero-stat-icon {
    font-size: 28px;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--data-tint);
    border-radius: 14px;
    border: 1px solid var(--data-border);
}

.hero-stat-content {
    flex: 1;
}

.hero-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1.2;
}

.hero-stat-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--data-primary);
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-stat-progress {
    margin-top: var(--space-2);
    height: 4px;
    background: var(--data-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.hero-stat-progress-bar {
    height: 100%;
    background: var(--data-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    width: 0%;
}

/* =========================================================================
   APP CARDS GRID — each card gets its own warmth
   ========================================================================= */

.app-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.app-card {
    background: var(--data-card-bg);
    border-radius: 16px;
    padding: var(--space-5);
    border: 1px solid var(--data-border);
    position: relative;
}

/* App-specific card tints */
.app-card[data-app="coffee"] {
    background: linear-gradient(180deg, #FFFAF5 0%, #FBF3EA 100%);
    border-color: rgb(111 78 55 / 12%);
}

.app-card[data-app="tea"] {
    background: linear-gradient(180deg, #F7FBF7 0%, #EFF6EF 100%);
    border-color: rgb(74 124 89 / 12%);
}

.app-card[data-app="sunlight"] {
    background: linear-gradient(180deg, #FFFDF5 0%, #FEF8E8 100%);
    border-color: rgb(217 119 6 / 12%);
}

.app-card[data-status="active"] .app-card-status-indicator {
    background: #10B981;
}

.app-card-status-indicator {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--data-border);
}

.app-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.app-card-icon {
    font-size: 28px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
}

.app-card-icon.coffee { background: rgb(111 78 55 / 8%); border: 1px solid rgb(111 78 55 / 10%); }
.app-card-icon.tea { background: rgb(74 124 89 / 8%); border: 1px solid rgb(74 124 89 / 10%); }
.app-card-icon.sunlight { background: rgb(217 119 6 / 8%); border: 1px solid rgb(217 119 6 / 10%); }

.app-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.app-card-stats {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-3);
}

.app-stat {
    display: flex;
    flex-direction: column;
}

.app-stat-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.app-stat-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.app-card-meta {
    margin-bottom: var(--space-4);
}

.app-last-updated {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.app-card-actions {
    display: flex;
    gap: var(--space-2);
}

.app-action-btn {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--data-primary);
    background: transparent;
    border: 1.5px solid var(--data-border);
    border-radius: 10px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: all 0.15s ease;
}

/* App-specific action button colors */
.app-card[data-app="coffee"] .app-action-btn { color: #6F4E37; border-color: rgb(111 78 55 / 15%); }
.app-card[data-app="tea"] .app-action-btn { color: #4A7C59; border-color: rgb(74 124 89 / 15%); }
.app-card[data-app="sunlight"] .app-action-btn { color: #D97706; border-color: rgb(217 119 6 / 15%); }

.app-card[data-app="coffee"] .app-action-btn:hover { background: rgb(111 78 55 / 5%); border-color: #6F4E37; }
.app-card[data-app="tea"] .app-action-btn:hover { background: rgb(74 124 89 / 5%); border-color: #4A7C59; }
.app-card[data-app="sunlight"] .app-action-btn:hover { background: rgb(217 119 6 / 5%); border-color: #D97706; }

.app-action-btn:hover {
    background: var(--data-tint);
    border-color: var(--data-primary);
}

/* =========================================================================
   DATA LIST
   ========================================================================= */

.data-list {
    background: var(--data-card-bg);
    border-radius: 16px;
    border: 1px solid var(--data-border);
    overflow: hidden;
}

.data-empty-state {
    padding: var(--space-12);
    text-align: center;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.data-empty-state p {
    margin-bottom: var(--space-4);
}

.data-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--data-border);
    transition: background 0.15s ease;
}

.data-item:hover {
    background: var(--data-tint);
}

.data-item:last-child {
    border-bottom: none;
}

.data-item-content {
    flex: 1;
    min-width: 0;
}

.data-item-title {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: 2px;
}

.data-item-meta {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.data-item-actions {
    display: flex;
    gap: var(--space-2);
}

/* =========================================================================
   BACKUP SECTION
   ========================================================================= */

.backup-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.backup-card {
    background: var(--data-card-bg);
    border-radius: 16px;
    padding: var(--space-6);
    border: 1.5px dashed var(--data-border);
    text-align: center;
}

.backup-card.danger {
    border-color: #FCA5A5;
    background: #FEF2F2;
}

.backup-icon {
    font-size: 40px;
    margin-bottom: var(--space-4);
}

.backup-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
}

.backup-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0 0 var(--space-4);
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: white;
    background: var(--data-primary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgb(13 148 136 / 15%);
    text-decoration: none;
}

.primary-btn:hover {
    background: var(--data-secondary);
    box-shadow: 0 4px 12px rgb(13 148 136 / 20%);
    transform: translateY(-1px);
}

.primary-btn:active {
    transform: translateY(0);
}

.danger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: white;
    background: #EF4444;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgb(239 68 68 / 15%);
}

.danger-btn:hover {
    background: #DC2626;
    box-shadow: 0 4px 12px rgb(239 68 68 / 20%);
    transform: translateY(-1px);
}

.danger-btn:active {
    transform: translateY(0);
}

.file-input-label {
    cursor: pointer;
}

.file-input-label input.hidden {
    display: none;
}

/* =========================================================================
   SETTINGS SECTION
   ========================================================================= */

.settings-container {
    max-width: 600px;
}

.settings-group {
    background: var(--data-card-bg);
    border-radius: 16px;
    padding: var(--space-5);
    border: 1px solid var(--data-border);
    margin-bottom: var(--space-4);
}

.settings-group h3 {
    font-size: 12px;
    font-weight: 700;
    color: var(--data-primary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin: 0 0 var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1.5px dashed var(--data-border);
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
}

.setting-item:not(:last-child) {
    border-bottom: 1px solid var(--data-border);
}

.setting-info label {
    display: block;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.setting-info small {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: 2px;
}

.toggle-switch {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--data-primary);
}

.storage-info {
    padding: var(--space-3) 0;
}

.storage-bar {
    height: 6px;
    background: var(--data-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-2);
}

.storage-used {
    height: 100%;
    background: var(--data-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.storage-info p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

/* =========================================================================
   TOAST NOTIFICATIONS
   ========================================================================= */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}

.toast {
    padding: 12px 24px;
    border-radius: 12px;
    background: var(--data-primary);
    color: white;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 20px rgb(13 148 136 / 25%);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    margin-top: 8px;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-success {
    background: #10B981;
    box-shadow: 0 4px 20px rgb(16 185 129 / 25%);
}

.toast-error {
    background: #EF4444;
    box-shadow: 0 4px 20px rgb(239 68 68 / 25%);
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 768px) {
    .data-section {
        padding: var(--space-4);
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .app-cards-grid {
        grid-template-columns: 1fr;
    }

    .backup-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .action-text {
        display: none;
    }
}