/**
 * Bingo PWA - Modern Stylesheet
 * Clean, accessible, and responsive design
 */

/* ==========================================
   CSS Variables (Theme)
   ========================================== */
:root {
    /* Primary colors */
    --primary-50: #e8f4fc;
    --primary-100: #c5e4f7;
    --primary-200: #9ed2f2;
    --primary-300: #77bfec;
    --primary-400: #59b0e8;
    --primary-500: #3ba1e4;
    --primary-600: #3593d5;
    --primary-700: #2d81c1;
    --primary-800: #2670ad;
    --primary-900: #1e3a5f;

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

    /* Semantic colors */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Spacing */
    --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;
}

/* Dark mode */
[data-theme="dark"] {
    --gray-50: #0f172a;
    --gray-100: #1e293b;
    --gray-200: #334155;
    --gray-300: #475569;
    --gray-400: #64748b;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;
    --gray-900: #f8fafc;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ==========================================
   Login Page
   ========================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
    padding: var(--space-4);
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.login-header .logo {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
}

.login-header .logo svg {
    width: 100%;
    height: 100%;
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.login-header p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.login-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--gray-200);
}

/* ==========================================
   Form Elements
   ========================================== */
.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
}

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

.input-icon {
    position: absolute;
    left: var(--space-4);
    width: 20px;
    height: 20px;
    color: var(--gray-400);
    pointer-events: none;
}

.input-wrapper input,
.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--gray-900);
    background-color: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-wrapper input {
    padding-left: calc(var(--space-4) + 28px);
}

.input-wrapper input:focus,
.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
    background-color: white;
}

.input-wrapper input::placeholder,
.form-control::placeholder {
    color: var(--gray-400);
}

.toggle-password {
    position: absolute;
    right: var(--space-3);
    padding: var(--space-2);
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.toggle-password:hover {
    color: var(--gray-600);
}

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

/* Select */
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--gray-900);
    background-color: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 20px;
    padding-right: calc(var(--space-4) + 24px);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
    background-color: white;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--primary-600);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-700);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-200);
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background-color: #059669;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
}

.btn-icon {
    padding: var(--space-2);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* Button spinner */
.btn-loader .spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==========================================
   Modal
   ========================================== */
.modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    z-index: 1000;
}

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

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--space-6);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform var(--transition);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.modal-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    font-size: var(--font-size-2xl);
    color: var(--gray-400);
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--gray-600);
}

/* ==========================================
   Toast Notifications
   ========================================== */
.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-width: 360px;
}

.toast {
    background: white;
    border-radius: var(--border-radius-sm);
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--gray-400);
}

.toast.success {
    border-left-color: var(--success);
}

.toast.error {
    border-left-color: var(--error);
}

.toast.warning {
    border-left-color: var(--warning);
}

.toast.info {
    border-left-color: var(--info);
}

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--error); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.toast-message {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.toast-close {
    flex-shrink: 0;
    color: var(--gray-400);
    padding: var(--space-1);
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--gray-600);
}

.toast-close svg {
    width: 16px;
    height: 16px;
}

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

/* ==========================================
   Dashboard Layout
   ========================================== */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--primary-900);
    color: white;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform var(--transition);
}

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

@media (min-width: 1024px) {
    .sidebar {
        transform: translateX(0);
    }
}

.sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-logo svg {
    width: 40px;
    height: 40px;
}

.sidebar-logo h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4);
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--border-radius-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
    margin-bottom: var(--space-1);
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
}

.nav-item.active {
    background: var(--primary-600);
    color: white;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 0;
    transition: margin-left var(--transition);
}

@media (min-width: 1024px) {
    .main-content {
        margin-left: var(--sidebar-width);
    }
}

/* Header */
.header {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.menu-toggle {
    display: flex;
    color: var(--gray-600);
    padding: var(--space-2);
}

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

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
}

.page-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.user-menu {
    position: relative;
}

.user-button {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-fast);
}

.user-button:hover {
    background-color: var(--gray-100);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-100);
    color: var(--primary-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.user-info {
    text-align: left;
}

.user-name {
    font-weight: 500;
    color: var(--gray-900);
    font-size: var(--font-size-sm);
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    background: white;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--gray-700);
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--gray-50);
    text-decoration: none;
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--gray-400);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--space-2) 0;
}

/* Page Content */
.page-content {
    padding: var(--space-6);
}

/* ==========================================
   Cards
   ========================================== */
.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
}

.card-body {
    padding: var(--space-6);
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--space-5);
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-icon.primary {
    background: var(--primary-100);
    color: var(--primary-600);
}

.stat-icon.success {
    background: var(--success-light);
    color: var(--success);
}

.stat-icon.warning {
    background: var(--warning-light);
    color: var(--warning);
}

.stat-icon.info {
    background: var(--info-light);
    color: var(--info);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-bottom: var(--space-1);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
}

.stat-suffix {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--gray-500);
}

/* Jackpot Card */
.jackpot-card {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-900) 100%);
    color: white;
    border-radius: var(--border-radius);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.jackpot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.jackpot-title {
    font-size: var(--font-size-lg);
    font-weight: 500;
    opacity: 0.9;
}

.jackpot-amount {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.lucky-number {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

/* ==========================================
   Tables
   ========================================== */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--gray-50);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* ==========================================
   Alerts
   ========================================== */
.alert {
    padding: var(--space-4);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.alert-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.alert-message {
    font-size: var(--font-size-sm);
}

.alert-action {
    flex-shrink: 0;
}

.alert.info {
    background: var(--info-light);
    color: var(--info);
}

.alert.warning {
    background: var(--warning-light);
    color: #92400e;
}

.alert.error {
    background: var(--error-light);
    color: #991b1b;
}

.alert.success {
    background: var(--success-light);
    color: #065f46;
}

/* ==========================================
   Chart Container
   ========================================== */
.chart-container {
    position: relative;
    height: 300px;
}

/* ==========================================
   Empty State
   ========================================== */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    color: var(--gray-300);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.empty-state-message {
    color: var(--gray-500);
    max-width: 400px;
    margin: 0 auto var(--space-6);
}

/* ==========================================
   Quick Actions
   ========================================== */
.quick-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

/* ==========================================
   Sidebar Overlay
   ========================================== */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

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

@media (min-width: 1024px) {
    .sidebar-overlay {
        display: none;
    }
}

/* ==========================================
   Utilities
   ========================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }

.hidden { display: none !important; }
.ml-auto { margin-left: auto; }
.flex-wrap { flex-wrap: wrap; }

/* Grid */
.grid {
    display: grid;
    gap: var(--space-6);
}

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

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   Offline Indicator
   ========================================== */
.offline-indicator {
    position: fixed;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: white;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.offline-indicator.active {
    opacity: 1;
    visibility: visible;
}

.offline-indicator svg {
    width: 20px;
    height: 20px;
}

/* ==========================================
   PWA Install Banner
   ========================================== */
.install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: var(--space-4) var(--space-6);
    box-shadow: 0 -4px 6px -1px rgb(0 0 0 / 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform var(--transition);
}

.install-banner.active {
    transform: translateY(0);
}

.install-banner-content {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.install-banner-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background: var(--primary-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.install-banner-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-600);
}

.install-banner-text h3 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.install-banner-text p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.install-banner-actions {
    display: flex;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* ==========================================
   Loading Skeleton
   ========================================== */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius-sm);
}

.skeleton-text {
    height: 1em;
    margin-bottom: var(--space-2);
}

.skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: var(--space-3);
}

.skeleton-box {
    height: 100px;
}

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

/* ==========================================
   Notification Panel & Bell
   ========================================== */
.notification-bell {
    position: relative;
    cursor: pointer;
    padding: var(--space-2);
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

.notification-bell:hover {
    color: var(--gray-900);
}

.notification-bell svg {
    width: 22px;
    height: 22px;
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--error);
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 9px;
    display: none;
    align-items: center;
    justify-content: center;
}

.notification-panel {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    width: 360px;
    max-height: 480px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 200;
    overflow: hidden;
}

.notification-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.notification-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
}

.notification-panel-header h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-900);
}

.notification-panel-content {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.notification-item:hover {
    background-color: var(--gray-50);
}

.notification-item.unread {
    background-color: var(--primary-50);
}

.notification-item.unread:hover {
    background-color: var(--primary-100);
}

.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-icon svg {
    width: 20px;
    height: 20px;
}

.notification-icon.sale {
    background: var(--success-light);
    color: var(--success);
}

.notification-icon.delivery {
    background: var(--info-light);
    color: var(--info);
}

.notification-icon.return {
    background: var(--warning-light);
    color: var(--warning);
}

.notification-icon.alert {
    background: var(--error-light);
    color: var(--error);
}

.notification-icon.info {
    background: var(--gray-100);
    color: var(--gray-600);
}

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

.notification-title {
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 2px;
}

.notification-body {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notification-time {
    font-size: var(--font-size-xs);
    color: var(--gray-400);
    margin-top: 4px;
}

/* Push Toggle Switch */
.push-toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--gray-50);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--space-4);
}

.push-toggle-info h4 {
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 2px;
}

.push-toggle-info p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: var(--gray-300);
    transition: var(--transition);
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary-500);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

/* Notification Settings */
.notification-settings-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.notification-setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-100);
}

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

.notification-setting-label {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

/* ==========================================
   Admin Styles
   ========================================== */

/* Navigation Section Title */
.nav-section-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-4) var(--space-4) var(--space-2);
    margin-top: var(--space-2);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

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

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

.badge-success {
    background: var(--success-light);
    color: #065f46;
}

.badge-warning {
    background: var(--warning-light);
    color: #92400e;
}

.badge-danger {
    background: var(--error-light);
    color: #991b1b;
}

/* Button Group */
.btn-group {
    display: inline-flex;
    gap: var(--space-1);
}

/* Outlet Icon */
.outlet-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-sm);
    background: var(--primary-100);
    color: var(--primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Admin Table Actions */
.table .btn-group .btn {
    padding: var(--space-1) var(--space-2);
}

.table .btn-group .btn svg {
    width: 14px;
    height: 14px;
}

/* Form Group with small text */
.form-group small {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--font-size-xs);
}

/* ==========================================
   Print Styles
   ========================================== */
@media print {
    .sidebar,
    .header,
    .quick-actions,
    .modal,
    .toast-container {
        display: none !important;
    }

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

    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}