/* FB Ads Monitor - Mobile-First App-Like Stylesheet */
/* Optimized for Android/iOS webview experience */

:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --secondary: #34a853;
    --warning: #fbbc04;
    --danger: #ea4335;
    --info: #4285f4;
    
    --bg-body: #f5f7fa;
    --bg-sidebar: #1e293b;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-hover: #f1f5f9;
    --bg-table-header: #f8fafc;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-sidebar: #e2e8f0;
    --text-sidebar-active: #ffffff;
    
    --border-color: #e2e8f0;
    --border-input: #cbd5e1;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    
    --sidebar-width: 250px;
    --mobile-nav-height: 65px;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --transition: all 0.25s ease;
}

[data-theme="dark"] {
    --bg-body: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --bg-hover: #334155;
    --bg-table-header: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --border-input: #475569;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { 
    font-size: 16px; 
    -webkit-text-size-adjust: 100%; 
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

/* ==================== LAYOUT ==================== */
.app-container { display: flex; min-height: 100vh; }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 998; backdrop-filter: blur(2px); }
.sidebar-overlay.show { display: block; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    position: fixed;
    top: 0; left: 0; height: 100vh;
    overflow-y: auto; z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar-header { padding: 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-logo { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 700; color: #fff; }
.sidebar-logo i { font-size: 24px; color: var(--primary); }
.sidebar-nav { padding: 10px 0; }

.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 20px; color: var(--text-sidebar);
    border-left: 3px solid transparent;
    transition: var(--transition);
}
.nav-item:hover, .nav-item.active { background: rgba(255,255,255,0.08); color: #fff; }
.nav-item.active { border-left-color: var(--primary); }
.nav-item i { width: 20px; text-align: center; }
.nav-section { padding: 15px 20px 8px; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); }

.main-content { flex: 1; margin-left: var(--sidebar-width); min-height: 100vh; }

/* ==================== HEADER ==================== */
.top-header {
    background: var(--bg-card);
    padding: 12px 16px;
    padding-top: max(12px, var(--safe-top));
    display: flex; align-items: center; gap: 12px;
    border-bottom: 1px solid var(--border-color);
    position: sticky; top: 0; z-index: 100;
}

.mobile-menu-toggle {
    display: none;
    width: 44px; height: 44px;
    border: none; background: var(--bg-hover);
    border-radius: 10px; font-size: 20px;
    color: var(--text-primary); cursor: pointer;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}
.mobile-menu-toggle:active { transform: scale(0.95); }

.page-title { font-size: 18px; font-weight: 600; flex: 1; }

.user-menu {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 10px; background: var(--bg-hover);
    border-radius: 25px; cursor: pointer; position: relative;
}
.user-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 14px;
}
.user-name { font-size: 14px; }

.dropdown-menu {
    position: absolute; top: 110%; right: 0;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 12px; box-shadow: var(--shadow-lg);
    min-width: 180px; display: none; z-index: 1001;
    overflow: hidden;
}
.dropdown-menu.show { display: block; }
.dropdown-item { display: flex; align-items: center; gap: 12px; padding: 14px 16px; color: var(--text-primary); }
.dropdown-item:active { background: var(--bg-hover); }

/* ==================== DATE FILTER BAR ==================== */
.filter-bar {
    background: var(--bg-card);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex; gap: 8px; align-items: center;
    flex-wrap: wrap;
}

.filter-bar input[type="date"] {
    padding: 10px 12px;
    border: 1px solid var(--border-input);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 14px;
    min-width: 130px;
    flex: 1;
    min-height: 44px;
}
.filter-bar span { color: var(--text-muted); font-size: 13px; }
.filter-bar .btn { min-height: 44px; flex-shrink: 0; }

.content-area { padding: 16px; }

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 20px;
    border: none; border-radius: 10px;
    font-size: 14px; font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:active { background: var(--primary-dark); }
.btn-secondary { background: var(--bg-hover); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 8px 14px; font-size: 13px; min-height: 36px; }
.btn-full { width: 100%; }
.btn-icon { width: 44px; height: 44px; padding: 0; border-radius: 10px; }

/* ==================== CARDS ==================== */
.card {
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}
.card-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex; flex-wrap: wrap; gap: 10px;
    align-items: center;
}
.card-title { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; flex: 1; min-width: 200px; }
.card-title i { color: var(--primary); }
.card-body { padding: 16px; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ==================== STATS GRID ==================== */
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 16px; }
.stat-card {
    background: var(--bg-card);
    border-radius: 14px;
    padding: 14px;
    border: 1px solid var(--border-color);
}
.stat-card h3 {
    font-size: 10px; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.5px;
    margin-bottom: 6px; display: flex; align-items: center; gap: 5px;
}
.stat-card h3 i { font-size: 12px; }
.stat-card .value { font-size: 20px; font-weight: 700; }
.stat-card .value.positive { color: var(--secondary); }
.stat-card .value.negative { color: var(--danger); }

/* ==================== SUMMARY CARDS ==================== */
.summary-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.summary-card { padding: 14px; border-radius: 12px; text-align: center; }
.summary-card.gross { background: linear-gradient(135deg, #e8f5e9, #c8e6c9); }
.summary-card.canceled { background: linear-gradient(135deg, #ffebee, #ffcdd2); }
.summary-card.net { background: linear-gradient(135deg, #e3f2fd, #bbdefb); }
[data-theme="dark"] .summary-card.gross { background: linear-gradient(135deg, rgba(52,168,83,0.2), rgba(52,168,83,0.1)); }
[data-theme="dark"] .summary-card.canceled { background: linear-gradient(135deg, rgba(234,67,53,0.2), rgba(234,67,53,0.1)); }
[data-theme="dark"] .summary-card.net { background: linear-gradient(135deg, rgba(66,133,244,0.2), rgba(66,133,244,0.1)); }
.summary-card .label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-secondary); margin-bottom: 4px; }
.summary-card .value { font-size: 16px; font-weight: 700; }

/* ==================== FORMS ==================== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--text-secondary); }
.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-input);
    border-radius: 10px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 15px;
    min-height: 48px;
    transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }

/* ==================== TABLES - DESKTOP ==================== */
.table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead { background: var(--bg-table-header); position: sticky; top: 0; z-index: 10; }
th { padding: 12px 14px; text-align: left; font-weight: 600; color: var(--text-secondary); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap; }
td { padding: 14px; border-bottom: 1px solid var(--border-color); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:active { background: var(--bg-hover); }
.text-right { text-align: right; }
.text-center { text-align: center; }
td.actions { white-space: nowrap; }

/* ==================== MOBILE DATA CARDS ==================== */
.mobile-cards { display: none; }

.data-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 14px;
    margin-bottom: 10px;
    -webkit-tap-highlight-color: transparent;
}
.data-card:active { background: var(--bg-hover); }

.data-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 10px;
}
.data-card-title {
    font-weight: 600;
    font-size: 15px;
    flex: 1;
    line-height: 1.3;
}
.data-card-badge { flex-shrink: 0; }

.data-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.data-card-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.data-card-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}
.data-card-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}
.data-card-value.highlight {
    font-size: 16px;
    font-weight: 700;
}

.data-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 10px;
}

.data-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}
.data-card-actions .btn {
    flex: 1;
    padding: 10px;
    min-height: 40px;
}

.data-card-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
}
.data-card-checkbox input[type="checkbox"] {
    width: 22px;
    height: 22px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

/* ==================== STATUS BADGES ==================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.status-confirmed, .status-shipped, .status-delivered { background: rgba(52,168,83,0.15); color: var(--secondary); }
.status-canceled { background: rgba(234,67,53,0.15); color: var(--danger); }
.status-new { background: rgba(251,188,4,0.2); color: #b45309; }
[data-theme="dark"] .status-new { background: rgba(251,188,4,0.2); color: #ffc107; }

.roas-excellent { color: var(--secondary); font-weight: 600; }
.roas-good { color: var(--info); font-weight: 600; }
.roas-warning { color: #e65100; font-weight: 600; }
.roas-bad { color: var(--danger); font-weight: 600; }

/* ==================== BULK ACTIONS ==================== */
.bulk-bar {
    background: var(--primary); color: #fff;
    padding: 14px 16px; border-radius: 14px;
    margin-bottom: 12px; display: none;
    flex-direction: column; gap: 12px;
}
.bulk-bar.show { display: flex; }
.bulk-info { font-size: 14px; font-weight: 500; }
.bulk-buttons { display: flex; gap: 10px; flex-wrap: wrap; }
.bulk-buttons .btn { flex: 1; min-width: 100px; background: rgba(255,255,255,0.2); color: #fff; border: none; }
.bulk-buttons .btn-danger { background: rgba(234,67,53,0.9); }

/* ==================== MODALS ==================== */
.modal-overlay { 
    position: fixed; 
    inset: 0; 
    background: rgba(0,0,0,0.5); 
    display: none; 
    align-items: center;  /* CENTER vertically */
    justify-content: center; /* CENTER horizontally */
    z-index: 2000;
    backdrop-filter: blur(2px);
    padding: 20px;
}
.modal-overlay.active { display: flex; }

.modal {
    background: var(--bg-card);
    border-radius: 16px;  /* Rounded all corners */
    width: 100%; 
    max-width: 480px;
    max-height: 85vh; 
    overflow-y: auto;
    animation: modalFadeIn 0.25s ease;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

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

.modal-header {
    padding: 20px; 
    border-bottom: 1px solid var(--border-color);
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    position: sticky; 
    top: 0; 
    background: var(--bg-card); 
    z-index: 1;
    border-radius: 16px 16px 0 0;
}

.modal-header h2 { 
    font-size: 18px; 
    display: flex; 
    align-items: center; 
    gap: 10px; 
}

.modal-close { 
    width: 36px; 
    height: 36px; 
    border: none; 
    background: var(--bg-hover); 
    border-radius: 50%; 
    font-size: 20px; 
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    color: var(--text-primary);
    transition: all 0.2s;
}
.modal-close:hover { 
    background: var(--border-color); 
}

.modal-body { 
    padding: 20px; 
}

.form-actions { 
    display: flex; 
    gap: 10px; 
    justify-content: flex-end; 
    margin-top: 20px; 
}

/* Mobile: Keep bottom sheet style */
@media (max-width: 768px) {
    .modal-overlay {
        align-items: flex-end;
        padding: 0;
    }
    
    .modal {
        border-radius: 20px 20px 0 0;
        max-height: 90vh;
        animation: slideUp 0.3s ease;
    }
    
    .modal-header {
        border-radius: 20px 20px 0 0;
    }
    
    @keyframes slideUp { 
        from { transform: translateY(100%); } 
        to { transform: translateY(0); } 
    }
}

/* ==================== ALERTS ==================== */
.alert { padding: 14px 16px; border-radius: 12px; margin-bottom: 16px; display: flex; align-items: flex-start; gap: 12px; font-size: 14px; }
.alert i { margin-top: 2px; flex-shrink: 0; }
.alert-success { background: rgba(52,168,83,0.1); color: var(--secondary); }
.alert-danger { background: rgba(234,67,53,0.1); color: var(--danger); }
.alert-warning { background: rgba(251,188,4,0.15); color: #b45309; }
.alert-info { background: rgba(66,133,244,0.1); color: var(--info); }

/* ==================== UPLOAD ==================== */
.upload-zone {
    border: 2px dashed var(--border-color); border-radius: 14px;
    padding: 40px 20px; text-align: center; cursor: pointer;
    background: var(--bg-hover); transition: var(--transition);
}
.upload-zone:active { border-color: var(--primary); background: rgba(26,115,232,0.05); }
.upload-zone i { font-size: 48px; color: var(--primary); margin-bottom: 12px; }
.upload-zone p { font-size: 14px; color: var(--text-secondary); }
.upload-zone input[type="file"] { display: none; }

/* ==================== CHART ==================== */
.chart-container { position: relative; height: 220px; padding: 10px; }

/* ==================== BREADCRUMBS ==================== */
.breadcrumbs {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 16px; background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    font-size: 13px; overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.breadcrumbs::-webkit-scrollbar { display: none; }
.breadcrumb-item { color: var(--text-secondary); white-space: nowrap; }
.breadcrumb-item.active { color: var(--text-primary); font-weight: 500; }
.breadcrumb-item a { color: var(--primary); }
.breadcrumbs i { color: var(--text-muted); font-size: 10px; }

/* ==================== LOADING ==================== */
.loading { display: flex; justify-content: center; align-items: center; padding: 50px; }
.spinner { width: 40px; height: 40px; border: 3px solid var(--border-color); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state { text-align: center; padding: 50px 20px; color: var(--text-muted); }
.empty-state i { font-size: 56px; margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-size: 16px; margin-bottom: 8px; color: var(--text-secondary); }

/* ==================== LOGIN PAGE ==================== */
.login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--bg-sidebar), #0f172a);
    padding: 24px;
    padding-top: max(24px, var(--safe-top));
    padding-bottom: max(24px, var(--safe-bottom));
}
.login-card { background: var(--bg-card); border-radius: 24px; padding: 32px 24px; width: 100%; max-width: 400px; box-shadow: var(--shadow-lg); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo i { font-size: 48px; color: var(--primary); }
.login-logo h1 { font-size: 24px; margin-top: 14px; }
.login-logo p { color: var(--text-secondary); margin-top: 6px; font-size: 14px; }

/* ==================== MOBILE BOTTOM NAV ==================== */
.mobile-bottom-nav {
    display: none;
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 8px 0;
    padding-bottom: max(8px, var(--safe-bottom));
    z-index: 1000;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
}
.mobile-nav-items { display: flex; justify-content: space-around; }
.mobile-nav-item {
    display: flex; flex-direction: column; align-items: center;
    padding: 8px 12px; color: var(--text-muted);
    text-decoration: none; font-size: 10px; font-weight: 500;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
    position: relative;
}
.mobile-nav-item i { font-size: 22px; margin-bottom: 4px; }
.mobile-nav-item.active { color: var(--primary); }
.mobile-nav-item:active { transform: scale(0.92); }

/* ==================== MOBILE MORE MENU ==================== */
.more-menu-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 1001; backdrop-filter: blur(2px); }
.more-menu-overlay.show { display: block; }
.more-menu {
    display: none;
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-card);
    border-radius: 24px 24px 0 0;
    padding: 12px 16px;
    padding-bottom: max(20px, calc(var(--safe-bottom) + 10px));
    z-index: 1002;
    box-shadow: 0 -8px 24px rgba(0,0,0,0.15);
    animation: slideUp 0.3s ease;
    max-height: 70vh;
    overflow-y: auto;
}
.more-menu.show { display: block; }
.more-menu-handle { width: 40px; height: 4px; background: var(--border-color); border-radius: 2px; margin: 0 auto 16px; }
.more-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding-bottom: 16px;
}
.more-menu-item {
    display: flex; 
    flex-direction: column;
    align-items: center; 
    gap: 8px;
    padding: 16px 8px; 
    color: var(--text-primary);
    border-radius: 12px; 
    font-size: 12px;
    text-align: center;
    background: var(--bg-hover);
}
.more-menu-item:active { background: var(--border-color); transform: scale(0.97); }
.more-menu-item i { width: 40px; height: 40px; background: var(--bg-card); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 18px; }
.more-menu-item.danger { color: var(--danger); }
.more-menu-item.danger i { color: var(--danger); background: rgba(234,67,53,0.1); }

/* ==================== PERMISSIONS ==================== */
.permissions-grid { display: grid; gap: 16px; }
.permission-category { background: var(--bg-hover); border-radius: 12px; padding: 16px; }
.permission-category h4 { font-size: 12px; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--border-color); }
.permission-item { display: flex; align-items: center; gap: 12px; padding: 10px 0; }
.permission-item input[type="checkbox"] { width: 22px; height: 22px; accent-color: var(--primary); }

/* ==================== SEARCH BAR ==================== */
.search-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.search-bar input {
    flex: 1;
    min-height: 44px;
}
.search-bar .btn {
    flex-shrink: 0;
}

/* ==================== FAB (Floating Action Button) ==================== */
.fab {
    position: fixed;
    bottom: calc(var(--mobile-nav-height) + var(--safe-bottom) + 16px);
    right: 16px;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--primary);
    color: #fff;
    border: none;
    box-shadow: 0 4px 12px rgba(26,115,232,0.4);
    font-size: 24px;
    cursor: pointer;
    z-index: 99;
    display: none;
}
.fab:active { transform: scale(0.95); }

/* ==================== RESPONSIVE - TABLET ==================== */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .mobile-menu-toggle { display: flex; align-items: center; justify-content: center; }
    
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ==================== RESPONSIVE - MOBILE ==================== */
@media (max-width: 768px) {
    .content-area { 
        padding: 12px; 
        padding-bottom: calc(var(--mobile-nav-height) + var(--safe-bottom) + 16px); 
    }
    
    .user-name { display: none; }
    
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-card { padding: 12px; }
    .stat-card h3 { font-size: 9px; }
    .stat-card .value { font-size: 18px; }
    
    .summary-cards { grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .summary-card { padding: 10px 6px; }
    .summary-card .label { font-size: 8px; }
    .summary-card .value { font-size: 13px; }
    
    .card-header { 
        flex-direction: column; 
        align-items: stretch; 
        gap: 12px;
    }
    .card-title { min-width: auto; }
    .card-actions { width: 100%; }
    .card-actions .btn { flex: 1; }
    
    /* Hide desktop table, show mobile cards */
    .table-container { display: none !important; }
    .mobile-cards { display: block !important; }
    
    .chart-container { height: 200px; }
    
    .mobile-bottom-nav { display: block; }
    .fab { display: flex; align-items: center; justify-content: center; }
    
    .bulk-bar {
        position: fixed;
        bottom: calc(var(--mobile-nav-height) + var(--safe-bottom) + 10px);
        left: 12px; right: 12px;
        z-index: 100; margin: 0;
        border-radius: 16px;
        box-shadow: var(--shadow-lg);
    }
    
    /* Filter bar mobile */
    .filter-bar {
        padding: 10px 12px;
        gap: 6px;
    }
    .filter-bar input[type="date"] {
        min-width: 0;
        padding: 8px 10px;
        font-size: 13px;
    }
    .filter-bar .btn {
        padding: 10px 14px;
        font-size: 13px;
    }
    
    /* Modal full screen on mobile */
    .modal {
        max-width: 100%;
        max-height: 95vh;
        border-radius: 20px 20px 0 0;
    }
    
    /* Breadcrumbs scrollable */
    .breadcrumbs {
        padding: 10px 12px;
        font-size: 12px;
    }
    
    /* Search bar stacked */
    .search-bar {
        flex-direction: column;
    }
    .search-bar .btn {
        width: 100%;
    }
}

/* ==================== RESPONSIVE - SMALL PHONES ==================== */
@media (max-width: 380px) {
    .stat-card .value { font-size: 16px; }
    .summary-card .value { font-size: 12px; }
    .summary-card .label { font-size: 7px; }
    .btn { padding: 10px 14px; font-size: 13px; }
    .page-title { font-size: 16px; }
    
    .data-card-grid { grid-template-columns: 1fr; }
    
    .more-menu-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ==================== LANDSCAPE MODE ==================== */
@media (max-height: 500px) and (orientation: landscape) {
    .mobile-bottom-nav { padding: 4px 0; }
    .mobile-nav-item { padding: 6px 10px; }
    .mobile-nav-item i { font-size: 18px; margin-bottom: 2px; }
    .mobile-nav-item span { font-size: 9px; }
    
    .content-area { 
        padding-bottom: calc(50px + var(--safe-bottom)); 
    }
}

/* ==================== PRINT ==================== */
@media print {
    .sidebar, .top-header, .filter-bar, .mobile-bottom-nav, .bulk-bar, .fab { display: none !important; }
    .main-content { margin-left: 0; }
    .table-container { display: block !important; }
    .mobile-cards { display: none !important; }
    .content-area { padding: 0; }
}

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

/* Focus states for accessibility */
.btn:focus-visible,
.form-control:focus-visible,
.nav-item:focus-visible,
.mobile-nav-item:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}