/* =====================================================
   Faker Data Generator - Glassmorphic UI
   Blue-White Light Theme | Mobile Responsive
   ===================================================== */

/* ---- CSS Variables ---- */
:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --accent: #06b6d4;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #1e40af 100%);
    --glass-bg: rgba(255, 255, 255, 0.12);
    --glass-bg-strong: rgba(255, 255, 255, 0.18);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --text-primary: #f0f9ff;
    --text-secondary: rgba(224, 242, 254, 0.8);
    --text-muted: rgba(186, 220, 254, 0.6);
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --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 {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated background blobs */
body::before, body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    z-index: -1;
    animation: float 20s ease-in-out infinite;
}
body::before {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #3b82f6, transparent 70%);
    top: -200px;
    right: -100px;
}
body::after {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #06b6d4, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--primary-light);
}

/* ---- Glass Card ---- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}
.glass:hover {
    background: var(--glass-bg-strong);
    border-color: rgba(255, 255, 255, 0.3);
}

.glass-strong {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow);
}

/* ---- Layout ---- */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: 260px;
    min-height: 100vh;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 24px 0;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.sidebar-brand {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 16px;
}

.sidebar-brand h2 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-brand small {
    color: var(--text-muted);
    font-size: 0.75rem;
    display: block;
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 8px 12px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 4px;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    background: rgba(59, 130, 246, 0.2);
    color: var(--text-primary);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.sidebar-nav a .nav-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--glass-border);
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-footer a:hover {
    background: rgba(239, 68, 68, 0.15);
}

/* ---- Main Content ---- */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 32px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.page-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ---- Grid ---- */
.grid {
    display: grid;
    gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---- Stat Card ---- */
.stat-card {
    padding: 24px;
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.stat-card .stat-icon.blue { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.stat-card .stat-icon.cyan { background: rgba(6, 182, 212, 0.2); color: #22d3ee; }
.stat-card .stat-icon.green { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
.stat-card .stat-icon.orange { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.stat-card .stat-icon.red { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.stat-card .stat-icon.purple { background: rgba(139, 92, 246, 0.2); color: #a78bfa; }

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
}

/* ---- Card ---- */
.card {
    padding: 24px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--glass-border);
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    border-color: #22c55e;
}
.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border-color: #ef4444;
}
.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border-color: #f59e0b;
}
.btn-warning:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--glass-border);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

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

.btn-xs {
    padding: 4px 10px;
    font-size: 0.75rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-xs);
}

/* ---- Form Elements ---- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-light);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

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

textarea.form-control {
    min-height: 120px;
    resize: vertical;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-range {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.15);
    outline: none;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.5);
}

/* ---- Table ---- */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

table thead th {
    text-align: left;
    padding: 14px 16px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--glass-border);
    white-space: nowrap;
}

table tbody td {
    padding: 14px 16px;
    font-size: 0.875rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    vertical-align: middle;
}

table tbody tr:hover {
    background: rgba(59, 130, 246, 0.08);
}

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

/* ---- Badge ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-success { background: rgba(34, 197, 94, 0.15); color: #4ade80; }
.badge-danger  { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.badge-info    { background: rgba(6, 182, 212, 0.15);  color: #22d3ee; }
.badge-primary { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }

/* ---- Login Page ---- */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 40px 36px;
    text-align: center;
}

.login-card .login-logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
}

.login-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-card .login-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.login-card .form-group {
    text-align: left;
}

.login-card .btn-primary {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    margin-top: 8px;
}

/* ---- Alert / Flash ---- */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fde68a;
}

.alert-info {
    background: rgba(6, 182, 212, 0.15);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: #a5f3fc;
}

/* ---- Data Row (Generated Identity) ---- */
.data-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 12px;
}

.data-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.data-row:last-child {
    border-bottom: none;
}

.data-row .data-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    min-width: 120px;
}

.data-row .data-value {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-primary);
    word-break: break-all;
}

.data-row .copy-btn {
    padding: 4px 12px;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-xs);
    color: #60a5fa;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    margin-left: 12px;
}

.data-row .copy-btn:hover {
    background: rgba(59, 130, 246, 0.3);
}

.data-row .copy-btn.copied {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.4);
    color: #4ade80;
}

/* ---- Generate Controls ---- */
.generate-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.amount-selector {
    display: flex;
    align-items: center;
    gap: 12px;
}

.amount-selector label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.amount-selector input[type="range"] {
    width: 160px;
}

.amount-selector .amount-display {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-xs);
    font-weight: 700;
    color: #60a5fa;
    font-size: 1.1rem;
}

/* ---- Modal ---- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    width: 100%;
    max-width: 540px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 32px;
}

.modal h2 {
    font-size: 1.25rem;
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* ---- Search ---- */
.search-box {
    position: relative;
}

.search-box input {
    padding-left: 40px;
}

.search-box .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ---- Position Table ---- */
.position-list {
    max-height: 400px;
    overflow-y: auto;
}

.position-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.position-item:hover {
    background: rgba(59, 130, 246, 0.08);
}

.position-item .pos-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.15);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.85rem;
    color: #60a5fa;
    margin-right: 14px;
    flex-shrink: 0;
}

.position-item .pos-number.current {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

.position-item .pos-info {
    flex: 1;
}

.position-item .pos-ip {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    font-family: 'Consolas', 'Monaco', monospace;
}

.position-item .pos-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ---- Logs ---- */
.log-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.log-item .log-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-light);
    margin-top: 6px;
    flex-shrink: 0;
}

.log-item .log-content {
    flex: 1;
}

.log-item .log-action {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.log-item .log-details {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.log-item .log-meta {
    text-align: right;
    flex-shrink: 0;
}

.log-item .log-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.log-item .log-ip {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: 'Consolas', 'Monaco', monospace;
}

/* ---- Email Stats Bar ---- */
.email-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.email-stat {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.email-stat .es-value {
    font-size: 1.5rem;
    font-weight: 800;
}

.email-stat .es-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ---- Loading Spinner ---- */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: #60a5fa;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-box {
    padding: 40px;
    text-align: center;
}

.loading-box .spinner {
    width: 48px;
    height: 48px;
    border-width: 3px;
    margin-bottom: 16px;
}

.loading-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

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

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 26px;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    top: 3px;
    left: 3px;
    transition: var(--transition);
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
}

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

/* ---- User Detail View ---- */
.user-detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.user-avatar {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }

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

    .main-content {
        margin-left: 0;
        padding: 20px 16px;
    }

    .mobile-header {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 16px;
        margin: -20px -16px 24px;
        background: rgba(15, 23, 42, 0.6);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
    }

    .hamburger {
        background: none;
        border: none;
        color: var(--text-primary);
        font-size: 1.5rem;
        cursor: pointer;
        padding: 4px;
    }

    .mobile-header h2 {
        font-size: 1rem;
        font-weight: 600;
    }

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

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

    .grid-4 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }

    .generate-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .amount-selector {
        flex-direction: column;
        align-items: stretch;
    }

    .amount-selector input[type="range"] {
        width: 100%;
    }

    .login-card {
        padding: 32px 24px;
    }

    .page-header h1 {
        font-size: 1.35rem;
    }

    .email-stats {
        flex-direction: column;
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }
}

.mobile-header {
    display: none;
}

.sidebar-overlay {
    display: none;
}

/* ---- Animations ---- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

/* ---- Misc ---- */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.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; }
.d-flex { display: flex; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }

/* ---- Print ---- */
@media print {
    .sidebar, .mobile-header, .btn, .copy-btn { display: none !important; }
    .main-content { margin-left: 0 !important; }
    body { background: white !important; color: black !important; }
}