/* ============================================
   SIDEQUEST DIGITAL - Theme System
   Dark/Light mode + Mobile improvements
   ============================================ */

/* ============================================
   CSS VARIABLES - Dark Theme (Default)
   ============================================ */

:root,
[data-theme="dark"] {
    /* Background Colors */
    --color-bg-primary: #12131a;
    --color-bg-secondary: #1a1b23;
    --color-bg-tertiary: #22232d;
    --color-bg-hover: #2a2b38;

    /* Text Colors */
    --color-text-primary: #f1f5f9;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666;

    /* Brand Colors */
    --color-primary: #7c3aed;
    --color-primary-hover: #6d28d9;
    --color-primary-light: rgba(124, 58, 237, 0.2);

    /* Border Colors */
    --color-border: #2d2e3a;
    --color-border-subtle: rgba(255, 255, 255, 0.08);

    /* Status Colors */
    --color-success: #22c55e;
    --color-success-light: rgba(34, 197, 94, 0.2);
    --color-warning: #f59e0b;
    --color-warning-light: rgba(245, 158, 11, 0.2);
    --color-error: #ef4444;
    --color-error-light: rgba(239, 68, 68, 0.2);
    --color-info: #3b82f6;
    --color-info-light: rgba(59, 130, 246, 0.2);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.4);

    /* Overlays */
    --overlay-dark: rgba(0, 0, 0, 0.7);
    --overlay-light: rgba(0, 0, 0, 0.5);
}

/* ============================================
   CSS VARIABLES - Light Theme
   ============================================ */

[data-theme="light"] {
    /* Background Colors */
    --color-bg-primary: #f8fafc;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f1f5f9;
    --color-bg-hover: #e2e8f0;

    /* Text Colors */
    --color-text-primary: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;

    /* Border Colors */
    --color-border: #e2e8f0;
    --color-border-subtle: rgba(0, 0, 0, 0.08);

    /* Shadows (lighter for light theme) */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

    /* Overlays */
    --overlay-dark: rgba(0, 0, 0, 0.5);
    --overlay-light: rgba(0, 0, 0, 0.3);

    /* Loading overlay for light theme */
    --loading-bg: rgba(248, 250, 252, 0.95);
    --loading-text: #1e293b;
    --loading-spinner-bg: #e2e8f0;
    --loading-spinner-accent: #7c3aed;
}

/* System preference: auto-detect light mode when no explicit theme is set */
@media (prefers-color-scheme: light) {
    html:not([data-theme]) {
        --color-bg-primary: #f8fafc;
        --color-bg-secondary: #ffffff;
        --color-bg-tertiary: #f1f5f9;
        --color-bg-hover: #e2e8f0;
        --color-text-primary: #1e293b;
        --color-text-secondary: #64748b;
        --color-text-muted: #94a3b8;
        --color-border: #e2e8f0;
        --color-border-subtle: rgba(0, 0, 0, 0.08);
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
        --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
        --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
        --overlay-dark: rgba(0, 0, 0, 0.5);
        --overlay-light: rgba(0, 0, 0, 0.3);
        --loading-bg: rgba(248, 250, 252, 0.95);
        --loading-text: #1e293b;
        --loading-spinner-bg: #e2e8f0;
        --loading-spinner-accent: #7c3aed;
    }
}

/* Loading overlay variables for dark theme */
:root,
[data-theme="dark"] {
    --loading-bg: rgba(18, 19, 26, 0.95);
    --loading-text: #f1f5f9;
    --loading-spinner-bg: #333;
    --loading-spinner-accent: #7c3aed;
}

/* ============================================
   LOADING OVERLAY STYLES (theme-aware)
   ============================================ */

#loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--loading-bg) !important;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

#loading-overlay > div {
    text-align: center;
    color: var(--loading-text) !important;
}

#loading-overlay .spinner,
#loading-overlay > div > div:first-child {
    width: 40px;
    height: 40px;
    border: 3px solid var(--loading-spinner-bg);
    border-top-color: var(--loading-spinner-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

#loading-overlay p {
    color: var(--loading-text) !important;
}

/* ============================================
   THEME TOGGLE BUTTON
   ============================================ */

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--color-border-subtle);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: none;
}

/* ============================================
   SMOOTH THEME TRANSITIONS
   ============================================ */

body,
.sidebar,
.main-content,
.header,
.card,
.item-card,
.modal,
.form-input,
.btn {
    transition: background-color 0.2s ease,
                border-color 0.2s ease,
                color 0.2s ease,
                box-shadow 0.2s ease;
}

/* Disable transitions during initial load */
.no-transitions,
.no-transitions * {
    transition: none !important;
}

/* ============================================
   MOBILE IMPROVEMENTS
   ============================================ */

/* Mobile Navigation */
@media (max-width: 768px) {
    /* Hide sidebar by default on mobile */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    /* Main content full width on mobile */
    .main-content {
        margin-left: 0;
    }

    /* Mobile menu toggle */
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-md);
        background: transparent;
        border: none;
        color: var(--color-text-primary);
        cursor: pointer;
    }

    .mobile-menu-toggle svg {
        width: 24px;
        height: 24px;
    }

    /* Mobile overlay */
    .mobile-overlay {
        position: fixed;
        inset: 0;
        background: var(--overlay-dark);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .mobile-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    /* Page content padding */
    .page-content {
        padding: 16px;
    }

    /* Header adjustments */
    .header {
        padding: 0 16px;
    }

    .header-title {
        font-size: 1rem;
    }

    /* Stats grid single column */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-value {
        font-size: 24px;
    }

    /* Item grid single column */
    .item-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* Detail page adjustments */
    .detail-header {
        flex-direction: column;
        text-align: center;
    }

    .detail-logo {
        margin: 0 auto 16px;
    }

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

    .detail-actions {
        justify-content: center;
    }

    /* Info grid */
    .info-grid {
        grid-template-columns: 1fr;
    }

    /* Form rows */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Modal full width */
    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .modal {
        max-width: 100%;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        max-height: 90vh;
    }

    .modal.large {
        max-width: 100%;
    }

    /* Ticket rows stack */
    .ticket-row {
        flex-wrap: wrap;
        gap: 12px;
    }

    .ticket-info {
        flex: 1 1 100%;
        order: 2;
    }

    .ticket-badges {
        order: 3;
        width: 100%;
        justify-content: flex-start;
    }

    /* Messages */
    .message-bubble {
        max-width: 85%;
    }

    /* Buttons */
    .btn {
        padding: 12px 16px;
    }

    .btn-sm {
        padding: 8px 12px;
    }

    /* Filter bar */
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-bar .btn {
        width: 100%;
        justify-content: center;
    }

    /* Tabs scrollable */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .tabs::-webkit-scrollbar {
        display: none;
    }

    .tab {
        white-space: nowrap;
    }

    /* Page header */
    .page-header h1 {
        font-size: 1.5rem;
    }
}

/* ============================================
   TABLET ADJUSTMENTS
   ============================================ */

@media (min-width: 769px) and (max-width: 1024px) {
    .sidebar {
        width: 220px;
    }

    .main-content {
        margin-left: 220px;
    }

    .item-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   TOUCH IMPROVEMENTS
   ============================================ */

@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn {
        min-height: 44px;
    }

    .nav-item {
        padding: 12px;
    }

    .checkbox-item {
        padding: 12px 8px;
    }

    /* Remove hover effects on touch */
    .item-card:hover {
        transform: none;
    }

    .nav-item:hover {
        background: transparent;
    }

    /* Active state instead */
    .item-card:active {
        transform: scale(0.98);
    }

    .btn:active {
        opacity: 0.8;
    }
}

/* ============================================
   BOTTOM NAVIGATION (Mobile)
   ============================================ */

.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-subtle);
    padding: 8px 16px;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 100;
}

@media (max-width: 768px) {
    .bottom-nav {
        display: flex;
        justify-content: space-around;
    }

    /* Add padding to main content to account for bottom nav */
    .main-content {
        padding-bottom: 80px;
    }
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    transition: color 0.15s;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--color-primary);
}

.bottom-nav-item svg {
    width: 24px;
    height: 24px;
}

.bottom-nav-item.active svg {
    stroke-width: 2.5;
}

/* ============================================
   SAFE AREA INSETS (iPhone X+)
   ============================================ */

@supports (padding: max(0px)) {
    .sidebar {
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }

    .modal {
        padding-bottom: max(0px, env(safe-area-inset-bottom));
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .sidebar,
    .header,
    .bottom-nav,
    .btn,
    .modal-overlay {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
    }

    .page-content {
        padding: 0;
    }

    body {
        background: white;
        color: black;
    }

    .card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-border: #fff;
        --color-border-subtle: rgba(255, 255, 255, 0.3);
    }

    .btn-primary {
        border: 2px solid white;
    }

    .status-badge,
    .tier-badge {
        border: 1px solid currentColor;
    }
}

/* ============================================
   SEARCH BAR COMPONENT
   ============================================ */

.search-bar {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.search-bar input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-size: 14px;
    transition: border-color 0.15s, background-color 0.15s;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-bg-secondary);
}

.search-bar input::placeholder {
    color: var(--color-text-muted);
}

.search-bar-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
    pointer-events: none;
}

.search-bar-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: none;
    background: var(--color-bg-hover);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
}

.search-bar input:not(:placeholder-shown) ~ .search-bar-clear {
    display: flex;
}

.search-bar-clear:hover {
    color: var(--color-text-primary);
}

/* ============================================
   FILTER DROPDOWN
   ============================================ */

.filter-dropdown {
    position: relative;
}

.filter-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    min-width: 200px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
}

.filter-dropdown.open .filter-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.filter-dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

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

.filter-dropdown-item.active {
    color: var(--color-primary);
}

.filter-dropdown-item svg {
    width: 16px;
    height: 16px;
}