/**
 * ============================================
 * TAG Processing PWA - Unified Design System
 * ============================================
 * Industrial/Utilitarian aesthetic for professional
 * toll road processing system
 *
 * Version: 2.0.0
 * ============================================
 */

/* ============================================
   DESIGN TOKENS
   ============================================ */

:root {
    /* ---- Primary Palette: Deep Blue Industrial ---- */
    --color-primary-50: #eef4ff;
    --color-primary-100: #d9e5ff;
    --color-primary-200: #bbd0ff;
    --color-primary-300: #8eb1ff;
    --color-primary-400: #5a87ff;
    --color-primary-500: #3461fb;
    --color-primary-600: #1e40f0;
    --color-primary-700: #172ede;
    --color-primary-800: #1926b4;
    --color-primary-900: #1a268e;
    --color-primary-950: #131857;

    /* ---- Accent: Electric Cyan ---- */
    --color-accent-50: #ecfeff;
    --color-accent-100: #cffafe;
    --color-accent-200: #a5f3fc;
    --color-accent-300: #67e8f9;
    --color-accent-400: #22d3ee;
    --color-accent-500: #06b6d4;
    --color-accent-600: #0891b2;
    --color-accent-700: #0e7490;
    --color-accent-800: #155e75;
    --color-accent-900: #164e63;

    /* ---- Status Colors ---- */
    --color-success-50: #ecfdf5;
    --color-success-100: #d1fae5;
    --color-success-500: #10b981;
    --color-success-600: #059669;
    --color-success-700: #047857;

    --color-warning-50: #fffbeb;
    --color-warning-100: #fef3c7;
    --color-warning-500: #f59e0b;
    --color-warning-600: #d97706;
    --color-warning-700: #b45309;

    --color-danger-50: #fef2f2;
    --color-danger-100: #fee2e2;
    --color-danger-500: #ef4444;
    --color-danger-600: #dc2626;
    --color-danger-700: #b91c1c;

    --color-info-50: #eff6ff;
    --color-info-100: #dbeafe;
    --color-info-500: #3b82f6;
    --color-info-600: #2563eb;

    /* ---- Neutral Slate ---- */
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    --color-slate-950: #020617;

    /* ---- Surfaces ---- */
    --surface-primary: #ffffff;
    --surface-secondary: var(--color-slate-50);
    --surface-tertiary: var(--color-slate-100);
    --surface-elevated: #ffffff;
    --surface-overlay: rgba(15, 23, 42, 0.5);

    /* ---- Text ---- */
    --text-primary: var(--color-slate-900);
    --text-secondary: var(--color-slate-600);
    --text-tertiary: var(--color-slate-500);
    --text-muted: var(--color-slate-400);
    --text-inverse: #ffffff;

    /* ---- Borders ---- */
    --border-default: var(--color-slate-200);
    --border-subtle: var(--color-slate-100);
    --border-strong: var(--color-slate-300);
    --border-focus: var(--color-primary-500);

    /* ---- Spacing Scale ---- */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* ---- Typography Scale ---- */
    --font-display: 'Outfit', system-ui, sans-serif;
    --font-body: 'Outfit', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    /* ---- Radii ---- */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-full: 9999px;

    /* ---- Shadows ---- */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(52, 97, 251, 0.3);
    --shadow-glow-accent: 0 0 20px rgba(6, 182, 212, 0.3);

    /* ---- Transitions ---- */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* ---- Z-Index Scale ---- */
    --z-dropdown: 10;
    --z-sticky: 20;
    --z-overlay: 30;
    --z-modal: 40;
    --z-toast: 50;
}

/* ============================================
   DARK MODE
   ============================================ */

.dark {
    --surface-primary: var(--color-slate-900);
    --surface-secondary: var(--color-slate-800);
    --surface-tertiary: var(--color-slate-700);
    --surface-elevated: var(--color-slate-800);
    --surface-overlay: rgba(0, 0, 0, 0.7);

    --text-primary: var(--color-slate-50);
    --text-secondary: var(--color-slate-300);
    --text-tertiary: var(--color-slate-400);
    --text-muted: var(--color-slate-500);

    --border-default: var(--color-slate-700);
    --border-subtle: var(--color-slate-800);
    --border-strong: var(--color-slate-600);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(52, 97, 251, 0.4);
}

/* ============================================
   BASE STYLES
   ============================================ */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-family: var(--font-body);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background: var(--surface-secondary);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

.font-display {
    font-family: var(--font-display);
}

.font-mono {
    font-family: var(--font-mono);
    font-feature-settings: 'liga' 1, 'calt' 1;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-accent-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-warm {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Data Typography - Monospace for numbers/codes */
.data-value {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.data-large {
    font-family: var(--font-mono);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.barcode {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    letter-spacing: 0.05em;
    background: var(--color-slate-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
}

.dark .barcode {
    background: var(--color-slate-800);
}

/* ============================================
   GLASS MORPHISM COMPONENTS
   ============================================ */

.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.dark .glass {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.dark .glass-card {
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-inset {
    background: linear-gradient(
        145deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.05) 100%
    );
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ============================================
   CARD COMPONENTS
   ============================================ */

.pwa-card {
    background: var(--surface-elevated);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.pwa-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-default);
}

.pwa-card--interactive:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.pwa-card__header {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.pwa-card__title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pwa-card__body {
    padding: var(--space-5);
}

.pwa-card__footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-subtle);
    background: var(--surface-secondary);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ============================================
   STAT CARDS
   ============================================ */

.stat-card {
    background: var(--surface-elevated);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    border: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--stat-color, var(--color-primary-500));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card__value {
    font-family: var(--font-mono);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    margin-bottom: var(--space-1);
}

.stat-card__label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.stat-card__change {
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    margin-top: var(--space-2);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
}

.stat-card__change--up {
    background: var(--color-success-50);
    color: var(--color-success-700);
}

.stat-card__change--down {
    background: var(--color-danger-50);
    color: var(--color-danger-700);
}

.dark .stat-card__change--up {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success-500);
}

.dark .stat-card__change--down {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-danger-500);
}

/* Colored stat cards */
.stat-card--primary { --stat-color: var(--color-primary-500); }
.stat-card--success { --stat-color: var(--color-success-500); }
.stat-card--warning { --stat-color: var(--color-warning-500); }
.stat-card--danger { --stat-color: var(--color-danger-500); }
.stat-card--info { --stat-color: var(--color-info-500); }
.stat-card--accent { --stat-color: var(--color-accent-500); }

/* ============================================
   STATUS BADGES
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge--sm {
    padding: 2px var(--space-2);
    font-size: 0.6875rem;
}

.badge--default {
    background: var(--color-slate-100);
    color: var(--color-slate-700);
}

.badge--primary {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}

.badge--success {
    background: var(--color-success-100);
    color: var(--color-success-700);
}

.badge--warning {
    background: var(--color-warning-100);
    color: var(--color-warning-700);
}

.badge--danger {
    background: var(--color-danger-100);
    color: var(--color-danger-700);
}

.badge--info {
    background: var(--color-info-100);
    color: var(--color-info-600);
}

.dark .badge--default {
    background: var(--color-slate-700);
    color: var(--color-slate-300);
}

.dark .badge--primary {
    background: rgba(52, 97, 251, 0.2);
    color: var(--color-primary-300);
}

.dark .badge--success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success-500);
}

.dark .badge--warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning-500);
}

.dark .badge--danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-danger-500);
}

/* Status dots */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot--active {
    background: var(--color-success-500);
    box-shadow: 0 0 8px var(--color-success-500);
}

.status-dot--blocked {
    background: var(--color-danger-500);
    box-shadow: 0 0 8px var(--color-danger-500);
}

.status-dot--pending {
    background: var(--color-warning-500);
    animation: pulse-status 2s infinite;
}

.status-dot--inactive {
    background: var(--color-slate-400);
}

@keyframes pulse-status {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

/* ============================================
   DATA TABLES
   ============================================ */

.pwa-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: var(--text-sm);
}

.pwa-table thead {
    position: sticky;
    top: 0;
    z-index: 1;
}

.pwa-table th {
    background: var(--surface-secondary);
    color: var(--text-secondary);
    font-weight: var(--font-medium);
    text-align: left;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-default);
    white-space: nowrap;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pwa-table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}

.pwa-table tbody tr {
    transition: background var(--transition-fast);
}

.pwa-table tbody tr:hover {
    background: var(--surface-secondary);
}

.pwa-table tbody tr:last-child td {
    border-bottom: none;
}

/* Numeric columns alignment */
.pwa-table .col-number {
    text-align: right;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

/* Sortable headers */
.pwa-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.pwa-table th.sortable:hover {
    color: var(--text-primary);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

.pwa-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--surface-primary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.pwa-input:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(52, 97, 251, 0.15);
}

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

.pwa-input--with-icon {
    padding-left: 2.75rem;
}

.pwa-input-wrapper {
    position: relative;
}

.pwa-input-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Select */
.pwa-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

/* Checkbox & Radio */
.pwa-checkbox,
.pwa-radio {
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid var(--border-strong);
    background: var(--surface-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pwa-checkbox {
    border-radius: var(--radius-sm);
}

.pwa-radio {
    border-radius: 50%;
}

.pwa-checkbox:checked,
.pwa-radio:checked {
    background: var(--color-primary-600);
    border-color: var(--color-primary-600);
}

/* ============================================
   BUTTONS
   ============================================ */

.pwa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.pwa-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 97, 251, 0.3);
}

.pwa-btn--primary {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
    color: white;
    box-shadow: var(--shadow-sm), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.pwa-btn--primary:hover {
    background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary-800) 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.pwa-btn--secondary {
    background: var(--surface-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.pwa-btn--secondary:hover {
    background: var(--surface-tertiary);
    border-color: var(--border-strong);
}

.pwa-btn--ghost {
    background: transparent;
    color: var(--text-secondary);
}

.pwa-btn--ghost:hover {
    background: var(--surface-secondary);
    color: var(--text-primary);
}

.pwa-btn--danger {
    background: linear-gradient(135deg, var(--color-danger-500) 0%, var(--color-danger-600) 100%);
    color: white;
}

.pwa-btn--danger:hover {
    background: linear-gradient(135deg, var(--color-danger-600) 0%, var(--color-danger-700) 100%);
}

.pwa-btn--sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    border-radius: var(--radius-md);
}

.pwa-btn--lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
    border-radius: var(--radius-xl);
}

.pwa-btn--icon {
    padding: var(--space-2);
    width: 2.5rem;
    height: 2.5rem;
}

/* ============================================
   NAVIGATION COMPONENTS
   ============================================ */

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-item:hover {
    background: var(--surface-secondary);
    color: var(--text-primary);
}

.nav-item--active {
    background: var(--color-primary-50);
    color: var(--color-primary-700);
}

.dark .nav-item--active {
    background: rgba(52, 97, 251, 0.15);
    color: var(--color-primary-400);
}

.nav-item__icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.nav-item__badge {
    margin-left: auto;
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    font-size: 0.625rem;
    font-weight: var(--font-bold);
    font-family: var(--font-mono);
}

.dark .nav-item__badge {
    background: rgba(52, 97, 251, 0.2);
    color: var(--color-primary-300);
}

/* ============================================
   SIDEBAR
   ============================================ */

.pwa-sidebar {
    background: var(--surface-elevated);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.pwa-sidebar__header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.pwa-sidebar__logo {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-700) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.pwa-sidebar__brand {
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.pwa-sidebar__brand span {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--font-normal);
    color: var(--text-muted);
}

.pwa-sidebar__nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3);
}

.pwa-sidebar__footer {
    padding: var(--space-3);
    border-top: 1px solid var(--border-subtle);
}

/* ============================================
   CHARTS & DATA VISUALIZATION
   ============================================ */

.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
    margin-top: var(--space-4);
}

.chart-legend__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.chart-legend__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

/* Mini sparkline charts */
.sparkline {
    height: 40px;
    width: 100%;
}

/* Progress bars */
.pwa-progress {
    height: 8px;
    background: var(--surface-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.pwa-progress__bar {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

.pwa-progress__bar--primary {
    background: linear-gradient(90deg, var(--color-primary-500) 0%, var(--color-accent-500) 100%);
}

.pwa-progress__bar--success {
    background: linear-gradient(90deg, var(--color-success-500) 0%, var(--color-success-400) 100%);
}

.pwa-progress__bar--warning {
    background: linear-gradient(90deg, var(--color-warning-500) 0%, var(--color-warning-400) 100%);
}

.pwa-progress__bar--danger {
    background: linear-gradient(90deg, var(--color-danger-500) 0%, var(--color-danger-400) 100%);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--color-primary-500);
    }
    50% {
        box-shadow: 0 0 20px var(--color-primary-500), 0 0 30px var(--color-primary-400);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes blob {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

.animate-fadeIn { animation: fadeIn 0.3s ease forwards; }
.animate-fadeInUp { animation: fadeInUp 0.4s ease forwards; }
.animate-fadeInScale { animation: fadeInScale 0.3s ease forwards; }
.animate-slideInRight { animation: slideInRight 0.4s ease forwards; }
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-blob { animation: blob 7s infinite; }
.animate-pulse-glow { animation: pulse-glow 2s infinite; }

/* Staggered animation delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* Skeleton loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--surface-tertiary) 25%,
        var(--surface-secondary) 50%,
        var(--surface-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ============================================
   HTMX INTEGRATION
   ============================================ */

.htmx-indicator {
    opacity: 0;
    transition: opacity 200ms ease-in;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    opacity: 1;
}

.htmx-swapping {
    opacity: 0;
    transition: opacity 100ms ease-out;
}

.htmx-settling {
    opacity: 1;
}

/* Loading bar */
.htmx-loading-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(
        90deg,
        var(--color-primary-500),
        var(--color-accent-500),
        var(--color-primary-500)
    );
    background-size: 200% 100%;
    animation: shimmer 1s infinite linear;
    z-index: 9999;
}

/* ============================================
   MODALS & OVERLAYS
   ============================================ */

.pwa-modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--surface-overlay);
    backdrop-filter: blur(4px);
    z-index: var(--z-overlay);
}

.pwa-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--surface-elevated);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 90vw;
    max-height: 85vh;
    overflow: auto;
    z-index: var(--z-modal);
}

/* Full-screen modal on mobile */
@media (max-width: 640px) {
    .pwa-modal {
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        transform: none;
        max-width: 100%;
        max-height: 100%;
        width: 100%;
        height: 100%;
        border-radius: 0;
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }

    .pwa-modal__header {
        position: sticky;
        top: 0;
        background: var(--surface-elevated);
        z-index: 1;
    }
}

.pwa-modal__header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pwa-modal__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.pwa-modal__body {
    padding: var(--space-6);
}

.pwa-modal__footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

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

.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

@media (max-width: 767px) {
    .toast-container {
        left: var(--space-4);
        right: var(--space-4);
        /* Account for bottom navigation (~70px) + safe area */
        bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    }
}

.pwa-toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--surface-elevated);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-default);
    min-width: 300px;
    max-width: 400px;
    animation: slideInRight 0.3s ease;
}

.pwa-toast--success {
    border-left: 4px solid var(--color-success-500);
}

.pwa-toast--warning {
    border-left: 4px solid var(--color-warning-500);
}

.pwa-toast--error {
    border-left: 4px solid var(--color-danger-500);
}

.pwa-toast--info {
    border-left: 4px solid var(--color-info-500);
}

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

/* Dynamic viewport height for mobile browsers */
.h-dvh {
    height: 100dvh;
}

.min-h-dvh {
    min-height: 100dvh;
}

/* Fallback for browsers that don't support dvh */
@supports not (height: 100dvh) {
    .h-dvh {
        height: 100vh;
        height: -webkit-fill-available;
    }
    .min-h-dvh {
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }
}

/* Safe area padding for mobile */
.pb-safe {
    padding-bottom: env(safe-area-inset-bottom);
}

.pt-safe {
    padding-top: env(safe-area-inset-top);
}

/* Safe area for bottom navigation - handles notch/home indicator */
.safe-area-bottom {
    padding-bottom: env(safe-area-inset-bottom, 0px);
    padding-bottom: max(env(safe-area-inset-bottom, 0px), 8px);
}

/* Touch-friendly targets */
@media (pointer: coarse) {
    .pwa-btn,
    .nav-item,
    .pwa-input,
    .pwa-select {
        min-height: 44px;
    }

    /* Larger tap targets on touch devices */
    a, button {
        -webkit-tap-highlight-color: transparent;
    }
}

/* Mobile-first layout fixes */
@media (max-width: 767px) {
    /* Prevent horizontal scroll on mobile */
    html, body {
        overflow-x: hidden;
        width: 100%;
        position: relative;
    }

    /* Full-height layout for iOS */
    html {
        height: -webkit-fill-available;
    }

    body {
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }

    /* Smooth scrolling on iOS */
    .custom-scrollbar {
        -webkit-overflow-scrolling: touch;
    }

    /* Fix for iOS input zoom */
    input, select, textarea {
        font-size: 16px !important;
    }

    /* Better text rendering on mobile */
    * {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Responsive grid helpers */
.pwa-grid {
    display: grid;
    gap: var(--space-4);
}

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

.pwa-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.pwa-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .pwa-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .pwa-grid--2,
    .pwa-grid--3,
    .pwa-grid--4 {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--color-slate-300);
    border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--color-slate-400);
}

.dark .custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--color-slate-600);
}

.dark .custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--color-slate-500);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.no-select {
    user-select: none;
}

.cursor-pointer {
    cursor: pointer;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible for accessibility */
.focus-visible:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

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

@media print {
    .pwa-sidebar,
    .pwa-toast,
    .pwa-modal-backdrop,
    .htmx-loading-bar {
        display: none !important;
    }

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

    body {
        background: white;
        color: black;
    }
}