/* =====================================================
   Neel's Cafe Stock Manager — Design System
   Dark navy theme with gold accents & glassmorphism
   ===================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables --- */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --border-glass: rgba(0, 166, 63, 0.15);
    --border-subtle: rgba(71, 85, 105, 0.08);

    --text-primary: #334155;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-heading: #0f172a;

    --accent-theme: #00a63f;
    --accent-theme-light: #16a34a;
    --accent-theme-dark: #15803d;
    --accent-blue: #0284c7;
    --accent-green: #059669;
    --accent-red: #dc2626;
    --accent-orange: #d97706;
    --accent-purple: #7c3aed;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.08);
    --shadow-theme: 0 4px 15px rgba(0, 166, 63, 0.12);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --sidebar-width: 260px;
    --header-height: 70px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(0, 166, 63, 0.02) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(2, 132, 199, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-heading);
    line-height: 1.3;
}

a {
    color: var(--accent-theme);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-theme-light);
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-theme-dark); }

/* =====================================================
   LOGIN PAGE
   ===================================================== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 50px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(15, 23, 42, 0.04);
    animation: fadeInUp 0.6s ease-out;
}

.login-card .brand {
    text-align: center;
    margin-bottom: 36px;
}

.login-card .brand h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-theme), var(--accent-theme-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.login-card .brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

.login-card .brand .cafe-icon {
    font-size: 3rem;
    margin-bottom: 10px;
    display: block;
}

/* =====================================================
   LAYOUT: SIDEBAR + MAIN
   ===================================================== */
.app-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
    overflow-x: hidden !important;
    width: 100%;
    max-width: 100vw;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background: #ffffff;
    border-right: 1px solid #edf2f7;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    overflow-y: auto;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.02);
}

.sidebar-brand {
    padding: 40px 24px;
    background: transparent;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-brand .logo-icon {
    font-size: 2rem;
}

.sidebar-brand h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    letter-spacing: -0.5px;
}

.sidebar-brand small {
    display: block;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
}

.nav-section {
    margin-bottom: 20px;
}

.nav-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--accent-theme);
    padding: 0 16px;
    margin-bottom: 12px;
    font-weight: 700;
    opacity: 0.8;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 0 30px 30px 0;
    color: #475569;
    font-size: 0.92rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 6px;
    margin-right: 12px;
    border-left: 4px solid transparent;
}

.nav-link:hover {
    background: #f8fafc;
    color: var(--accent-theme);
    border-left-color: var(--accent-theme-light);
}

.nav-link.active {
    background: #f0fdf4;
    color: var(--accent-theme-dark);
    font-weight: 600;
    border-left-color: var(--accent-theme);
}

.nav-link .nav-icon {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-subtle);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user .user-avatar {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-theme), var(--accent-theme-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 166, 63, 0.15);
}

.sidebar-user .user-info {
    flex: 1;
}

.sidebar-user .user-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.2;
}

.sidebar-user .user-role {
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.logout-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.logout-btn:hover {
    background: #fff1f2;
    color: var(--accent-red);
    border-color: #ffe4e6;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 30px;
    min-height: 100vh;
    width: calc(100% - var(--sidebar-width));
    max-width: 100%;
}

/* --- Top Bar --- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    gap: 20px;
}

.topbar h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.topbar .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.topbar .breadcrumb span {
    color: var(--text-secondary);
}

/* =====================================================
   CARDS & GLASS PANELS
   ===================================================== */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    animation: fadeInUp 0.4s ease-out;
}

.card:hover {
    border-color: rgba(0, 166, 63, 0.15);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 166, 63, 0.03);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.card-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.card-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
}

/* --- Stat Cards --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
    animation: fadeInUp 0.4s ease-out;
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-theme-light);
    box-shadow: var(--shadow-theme);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-icon.gold { background: var(--accent-theme-light); }
.stat-icon.blue { background: rgba(79, 195, 247, 0.15); }
.stat-icon.green { background: rgba(102, 187, 106, 0.15); }
.stat-icon.red { background: rgba(239, 83, 80, 0.15); }
.stat-icon.purple { background: rgba(171, 71, 188, 0.15); }

.stat-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* =====================================================
   FORMS
   ===================================================== */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.92rem;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-theme);
    box-shadow: 0 0 0 3px rgba(240, 180, 41, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238892b0' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-theme);
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-inline {
    display: flex;
    align-items: end;
    gap: 12px;
    flex-wrap: wrap;
}

.form-inline .form-group {
    margin-bottom: 0;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent-theme), var(--accent-theme-dark));
    color: var(--bg-primary);
    box-shadow: 0 4px 14px rgba(240, 180, 41, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(240, 180, 41, 0.4);
    color: var(--bg-primary);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    border-color: var(--accent-theme);
    color: var(--accent-theme);
}

.btn-danger {
    background: rgba(239, 83, 80, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 83, 80, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 83, 80, 0.25);
}

.btn-success {
    background: rgba(102, 187, 106, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(102, 187, 106, 0.3);
}

.btn-success:hover {
    background: rgba(102, 187, 106, 0.25);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-group {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    gap: 8px;
    align-items: center;
}

td:last-child {
    white-space: nowrap;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

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

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* =====================================================
   TABLES
   ===================================================== */
.table-responsive {
    overflow-x: auto;
    width: 100%;
    display: block;
    border-radius: var(--radius-md);
}

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

table thead th {
    background: #f0fdf4;
    color: #065f46;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    padding: 16px 20px;
    border-bottom: 2px solid #e2e8f0;
    white-space: nowrap;
}

table tbody td {
    padding: 8px 12px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

table tbody tr {
    transition: var(--transition);
}

table tbody tr:hover {
    background: rgba(240, 180, 41, 0.04);
}

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

table tfoot td {
    padding: 12px 16px;
    font-weight: 700;
    background: rgba(240, 180, 41, 0.06);
    border-top: 2px solid var(--border-glass);
    font-size: 0.9rem;
}

.text-right { text-align: right; }
.text-center { text-align: center; }
.text-left { text-align: left; }

/* =====================================================
   BADGES & STATUS
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.badge-pending {
    background: rgba(255, 167, 38, 0.15);
    color: var(--accent-orange);
    border: 1px solid rgba(255, 167, 38, 0.3);
}

.badge-completed,
.badge-success,
.badge-processed {
    background: rgba(102, 187, 106, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(102, 187, 106, 0.3);
}

.badge-cancelled {
    background: rgba(239, 83, 80, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 83, 80, 0.3);
}

.badge-admin {
    background: rgba(171, 71, 188, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(171, 71, 188, 0.3);
}

.badge-cafe {
    background: rgba(79, 195, 247, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(79, 195, 247, 0.3);
}

.badge-stock {
    background: rgba(102, 187, 106, 0.15);
    color: var(--accent-green);
}

.badge-nostock {
    background: rgba(239, 83, 80, 0.1);
    color: var(--text-muted);
}

/* =====================================================
   ALERTS / FLASH MESSAGES
   ===================================================== */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeInDown 0.3s ease-out;
}

.alert-success {
    background: rgba(102, 187, 106, 0.12);
    border: 1px solid rgba(102, 187, 106, 0.3);
    color: var(--accent-green);
}

.alert-error {
    background: rgba(239, 83, 80, 0.12);
    border: 1px solid rgba(239, 83, 80, 0.3);
    color: var(--accent-red);
}

.alert-info {
    background: rgba(79, 195, 247, 0.12);
    border: 1px solid rgba(79, 195, 247, 0.3);
    color: var(--accent-blue);
}

.alert-warning {
    background: rgba(255, 167, 38, 0.12);
    border: 1px solid rgba(255, 167, 38, 0.3);
    color: var(--accent-orange);
}

/* =====================================================
   UTILITIES
   ===================================================== */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.ml-auto { margin-left: auto; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }

.text-gold { color: var(--accent-theme); }
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }
.text-blue { color: var(--accent-blue); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.w-100 { width: 100%; }

.hidden { display: none !important; }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1rem;
}

/* --- Divider --- */
.divider {
    border: none;
    border-top: 1px solid var(--border-subtle);
    margin: 20px 0;
}

/* --- Filter Bar --- */
.filter-bar {
    display: flex;
    align-items: end;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
}

.filter-bar .form-group {
    margin-bottom: 0;
    min-width: 160px;
}

/* =====================================================
   DYNAMIC ROWS (Order items, Receipt items, etc.)
   ===================================================== */
.dynamic-rows {
    width: 100%;
}

.dynamic-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 10px;
    align-items: end;
    margin-bottom: 10px;
    padding: 12px;
    background: #f8fafc;
    border-radius: var(--radius-sm);
    border: 1px solid #e2e8f0;
    animation: fadeInUp 0.2s ease-out;
}

.dynamic-row .form-group {
    margin-bottom: 0;
}

.dynamic-row .form-group label {
    font-size: 0.72rem;
}

.dynamic-row .remove-row {
    padding: 10px;
    background: none;
    border: none;
    color: var(--accent-red);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

.dynamic-row .remove-row:hover {
    background: rgba(239, 83, 80, 0.15);
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

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

/* =====================================================
   PRINT STYLES
   ===================================================== */
@media print {
    body {
        background: #fff !important;
        color: #000 !important;
    }

    body::before { display: none; }

    .sidebar, .topbar .btn, .filter-bar, .no-print {
        display: none !important;
    }

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

    .card {
        background: none !important;
        border: none !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        padding: 0 !important;
    }

    table thead th {
        background: #f0f0f0 !important;
        color: #000 !important;
        border: 1px solid #ccc !important;
    }

    table tbody td {
        color: #000 !important;
        border: 1px solid #ccc !important;
    }

    table tfoot td {
        background: #e8e8e8 !important;
        color: #000 !important;
        border: 1px solid #ccc !important;
    }

    h1, h2, h3, h4 {
        color: #000 !important;
    }

    .badge {
        border: 1px solid #999 !important;
        color: #000 !important;
        background: #f5f5f5 !important;
    }

    .print-header {
        display: block !important;
        text-align: center;
        margin-bottom: 20px;
    }

    .print-header h1 {
        font-size: 1.5rem;
    }

    .print-header p {
        font-size: 0.9rem;
        color: #666;
    }
}

.print-header {
    display: none;
}

/* =====================================================
   RESPONSIVE — COMPREHENSIVE MOBILE SUPPORT
   ===================================================== */

/* --- Mobile Top Bar (always visible on mobile) --- */
.mobile-topbar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: #fff;
    border-bottom: 1px solid #edf2f7;
    z-index: 102;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.mobile-topbar .mobile-brand {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-theme), var(--accent-theme-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex: 1;
}

.mobile-hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--accent-theme);
    font-size: 1.25rem;
    cursor: pointer;
    border: none;
    flex-shrink: 0;
}

@media (max-width: 1024px) {
    /* Show mobile top bar */
    .mobile-topbar {
        display: flex;
    }

    .mobile-hamburger {
        display: flex;
    }

    /* Push main content down to clear the top bar */
    .main-content {
        margin-left: 0;
        margin-top: 56px;
        padding: 20px 16px;
        width: 100%;
    }

    /* Sidebar: off-canvas */
    .sidebar {
        transform: translateX(-100%);
        visibility: hidden;
        z-index: 200;
    }

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

    table tbody td {
        word-break: break-word; /* Prevent long names from stretching tables */
    }

    /* Sidebar close button shown on mobile */
    .sidebar-close-btn {
        display: flex !important;
    }

    /* Hide the old fixed toggle button if it exists */
    .menu-toggle {
        display: none !important;
    }

    /* Dynamic rows become 2-col grid */
    .dynamic-row {
        grid-template-columns: 1fr 1fr;
    }

    /* Topbar button group wrapping */
    .topbar {
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 20px;
    }

    .topbar h1 {
        font-size: 1.4rem;
    }

    .btn-group {
        flex-wrap: wrap;
    }

    /* Stats grid 2 cols on tablet */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Stats go 1 col */
    .stats-grid {
        grid-template-columns: 1fr;
    }

    /* Forms go single col */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Topbar fully stacked */
    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar > * {
        width: 100%;
    }

    .topbar .btn,
    .topbar a.btn {
        width: 100%;
        justify-content: center;
    }

    /* Filter bar vertical */
    .filter-bar {
        flex-direction: column;
        gap: 10px;
    }

    .filter-bar .form-group {
        width: 100%;
        min-width: unset;
    }

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

    /* Card padding tighter on mobile */
    .card {
        padding: 14px;
    }

    /* Card header stacks if needed */
    .card-header {
        flex-wrap: wrap;
        gap: 8px;
    }

    /* Tables: horizontal scroll with sticky first col */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 0;
    }

    /* Dynamic rows go single column */
    .dynamic-row {
        grid-template-columns: 1fr;
    }

    /* Button groups wrap and go full width on forms */
    .btn-group {
        flex-direction: column;
    }

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

    /* Flex rows wrap */
    .d-flex.gap-2 {
        flex-wrap: wrap;
    }

    /* Larger touch targets */
    .nav-link {
        padding: 14px 16px;
        font-size: 0.95rem;
    }

    .btn {
        padding: 12px 16px;
        min-height: 44px;
    }

    .btn-sm {
        padding: 10px 14px;
        min-height: 40px;
    }

    .form-control {
        padding: 12px 14px;
        font-size: 1rem; /* prevent zoom on iOS */
    }

    select.form-control {
        font-size: 1rem;
    }

    /* Main content padding */
    .main-content {
        padding: 16px 12px;
    }

    /* Stat cards side by side info */
    .stat-card {
        padding: 14px;
    }

    .stat-info h3 {
        font-size: 1.5rem;
    }

    /* Tables: smaller text on mobile */
    table thead th,
    table tbody td {
        font-size: 0.82rem;
        padding: 8px 10px;
    }

    /* Empty state smaller padding */
    .empty-state {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 12px 10px;
    }

    .card {
        padding: 12px;
        border-radius: var(--radius-md);
    }

    .topbar h1 {
        font-size: 1.2rem;
    }

    .stats-grid {
        gap: 12px;
    }

    table {
        min-width: 0;
    }
}

/* --- Mobile Menu Toggle --- */
.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--accent-theme);
    font-size: 1.3rem;
    cursor: pointer;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 101;
}

/* --- Overlay for mobile sidebar --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}

/* =====================================================
   QR CODE DISPLAY (for install / user management)
   ===================================================== */
.qr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.qr-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
}

.qr-card img {
    border-radius: var(--radius-sm);
    margin: 12px 0;
    background: #fff;
    padding: 8px;
}

.qr-card h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.qr-card .secret-code {
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--accent-theme);
    word-break: break-all;
    background: #f1f5f9;
    padding: 6px 10px;
    border-radius: 4px;
    margin-top: 8px;
}

/* =====================================================
   TOGGLE SWITCH
   ===================================================== */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-tertiary);
    border-radius: 24px;
    transition: var(--transition);
    border: 1px solid var(--border-subtle);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-switch input:checked + .toggle-slider {
    background: rgba(240, 180, 41, 0.3);
    border-color: var(--accent-theme);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: var(--accent-theme);
}