/* ViralTap Admin — modern dashboard UI */
:root {
    --sidebar-bg: #0c1222;
    --sidebar-border: rgba(255,255,255,0.06);
    --sidebar-text: #94a3b8;
    --sidebar-text-hover: #f1f5f9;
    --sidebar-accent: #6366f1;
    --sidebar-accent-bg: rgba(99, 102, 241, 0.12);

    --main-bg: #f1f5f9;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --card-shadow: 0 1px 3px rgba(0,0,0,0.05);
    --card-radius: 12px;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-light: #eef2ff;

    --success: #059669;
    --success-bg: #d1fae5;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --neutral: #64748b;
    --neutral-bg: #f1f5f9;

    --input-border: #cbd5e1;
    --input-focus: #6366f1;
    --input-radius: 8px;

    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --transition: 0.15s ease;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--main-bg);
    -webkit-font-smoothing: antialiased;
}

.app {
    min-height: 100vh;
}

/* ----- Auth (login) ----- */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1.5rem;
    background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
}

/* ----- Payment result page button ----- */
.payment-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: var(--input-radius);
    font-weight: 600;
    font-size: 1rem;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--transition), transform 0.05s ease;
}

.payment-btn--primary {
    background: var(--accent);
    color: #fff;
}

.payment-btn--primary:hover {
    background: var(--accent-hover);
    color: #fff;
}

.payment-btn:active {
    transform: scale(0.98);
}

@media (max-width: 480px) {
    .auth-page {
        padding: 1rem;
    }
    .auth-card {
        padding: 1.5rem;
    }
    .auth-form button {
        min-height: 48px; /* touch target */
    }
}

.auth-card {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    border: 1px solid var(--card-border);
}

.auth-card h1 {
    margin: 0 0 1.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.auth-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--input-border);
    border-radius: var(--input-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.auth-form button {
    width: 100%;
    padding: 0.75rem 1.25rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--input-radius);
    font-weight: 600;
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    transition: background var(--transition), transform 0.05s ease;
}

.auth-form button:hover {
    background: var(--accent-hover);
}

.auth-form button:active {
    transform: scale(0.99);
}

.error {
    display: block;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    color: #991b1b;
    background: var(--danger-bg);
    border-radius: var(--input-radius);
    font-size: 0.875rem;
    font-weight: 500;
}

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

.sidebar {
    width: 260px;
    min-height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    border-right: 1px solid var(--sidebar-border);
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: #fff;
    border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    margin-bottom: 2px;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: background var(--transition), color var(--transition);
}

.sidebar-nav a:hover {
    background: rgba(255,255,255,0.06);
    color: var(--sidebar-text-hover);
}

.sidebar-nav a.active {
    background: var(--sidebar-accent-bg);
    color: #a5b4fc;
}

.sidebar-footer {
    padding: 1rem 1rem 1.25rem;
    border-top: 1px solid var(--sidebar-border);
}

.sidebar-footer a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 8px;
    transition: color var(--transition), background var(--transition);
}

.sidebar-footer a:hover {
    color: var(--sidebar-text-hover);
    background: rgba(255,255,255,0.06);
}

/* Sidebar toggle (visible only on small screens) */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--sidebar-bg);
    border: 1px solid var(--sidebar-border);
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    transition: background var(--transition);
}

.sidebar-toggle:hover {
    background: #1e293b;
}

.sidebar-toggle-icon {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.dashboard.sidebar-open .sidebar-overlay {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

.main {
    flex: 1;
    padding: 2rem;
    min-width: 0;
    overflow-x: auto;
}

/* ----- Responsive: sidebar becomes overlay drawer ----- */
@media (max-width: 768px) {
    .sidebar-toggle {
        display: flex;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 260px;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        box-shadow: none;
    }

    .dashboard.sidebar-open .sidebar {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0,0,0,0.15);
    }

    .main {
        padding: 1rem;
        padding-top: 3.5rem; /* room for hamburger */
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .page-header h1 {
        font-size: 1.25rem;
    }

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

    .filters select,
    .filters input {
        min-width: 0;
        width: 100%;
    }

    .main input[type="text"],
    .main input[type="number"],
    .main input[type="password"],
    .main select,
    .main textarea {
        max-width: none;
    }

    .stats-grid,
    .stats-grid--overview {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .stat-card .value {
        font-size: 1.25rem;
    }

    .chart-container--wide {
        height: 220px;
    }

    .chart-container--square {
        max-width: 100%;
        height: 240px;
    }

    .detail-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .card {
        padding: 1rem;
    }

    .main .table th,
    .main .table td {
        padding: 0.625rem 0.75rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .main {
        padding: 0.75rem;
        padding-top: 3.25rem;
    }

    .stats-grid,
    .stats-grid--overview {
        grid-template-columns: 1fr;
    }

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

/* ----- Page structure ----- */
.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.page-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.card {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card:last-child {
    margin-bottom: 0;
}

.main h1 {
    margin: 0 0 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.main p {
    margin: 0 0 1rem;
    color: var(--text-secondary);
}

.main ul {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.main ul li {
    margin-bottom: 0.35rem;
}

.main a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.main a:hover {
    color: var(--accent-hover);
}

/* ----- Tables ----- */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--card-radius);
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
}

.main .table {
    width: 100%;
    min-width: 480px; /* keeps table readable when scrolling on small screens */
    border-collapse: collapse;
    margin: 0;
    font-size: 0.9375rem;
}

.main .table th,
.main .table td {
    padding: 0.875rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid #f1f5f9;
}

.main .table th {
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    background: #fafafa;
}

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

.main .table tbody tr:hover {
    background: #fafafa;
}

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

.main .table td code {
    font-size: 0.8125rem;
    padding: 0.2em 0.5em;
    background: var(--neutral-bg);
    border-radius: 4px;
    color: var(--text-secondary);
}

.main .table form {
    display: inline;
}

/* ----- Badges ----- */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
    border-radius: 6px;
    text-transform: capitalize;
}

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

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

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

.badge-neutral {
    background: var(--neutral-bg);
    color: var(--neutral);
}

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

/* ----- Forms ----- */
.main label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.main input[type="text"],
.main input[type="number"],
.main input[type="password"],
.main select,
.main textarea {
    width: 100%;
    max-width: 420px;
    padding: 0.625rem 0.875rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--input-border);
    border-radius: var(--input-radius);
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text-primary);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.main input:focus,
.main select:focus,
.main textarea:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px var(--accent-light);
}

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

.main form p {
    margin-bottom: 0.5rem;
}

.main form p:last-of-type {
    margin-bottom: 1rem;
}

/* Inline checkbox label */
.main label input[type="checkbox"] {
    width: auto;
    max-width: none;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* ----- Buttons ----- */
.main .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1.125rem;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    border-radius: var(--input-radius);
    font-weight: 600;
    font-size: 0.9375rem;
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: background var(--transition), transform 0.05s ease;
}

.main .btn:hover {
    background: var(--accent-hover);
}

.main .btn:active {
    transform: scale(0.98);
}

.main .btn-secondary {
    background: var(--neutral-bg);
    color: var(--text-secondary);
}

.main .btn-secondary:hover {
    background: #e2e8f0;
    color: var(--text-primary);
}

.main .btn-link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    font-size: inherit;
    font-weight: 500;
    font-family: inherit;
    border-radius: 4px;
    transition: color var(--transition), background var(--transition);
}

.main .btn-link:hover {
    color: var(--accent-hover);
    background: var(--accent-light);
}

.main .btn-link.danger {
    color: var(--danger);
}

.main .btn-link.danger:hover {
    color: #b91c1c;
    background: var(--danger-bg);
}

/* ----- Filters ----- */
.filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--card-bg);
    border-radius: var(--input-radius);
    border: 1px solid var(--card-border);
}

.filters label {
    margin-bottom: 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.filters select,
.filters input {
    width: auto;
    max-width: none;
    margin-bottom: 0;
    padding: 0.5rem 0.75rem;
    min-width: 120px;
}

/* ----- Ticket thread ----- */
.ticket-thread {
    margin: 1.25rem 0;
}

.ticket-msg {
    margin-bottom: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--input-radius);
    border-left: 4px solid var(--neutral);
    background: #fafafa;
    font-size: 0.9375rem;
}

.ticket-msg.admin {
    background: var(--accent-light);
    border-left-color: var(--accent);
}

.ticket-msg.user {
    background: #f8fafc;
    border-left-color: var(--neutral);
}

.ticket-msg strong {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ----- Stats table (key-value) ----- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    padding: 1.25rem;
    box-shadow: var(--card-shadow);
}

.stat-card .label {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.stat-card .value {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.stats-grid--overview {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.stat-card--success .value {
    color: var(--success);
}

/* ----- Stats charts ----- */
.stats-charts {
    margin-top: 1.5rem;
}

.chart-card {
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.chart-title {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.chart-container--wide {
    height: 280px;
}

.chart-container--square {
    max-width: 320px;
    height: 260px;
    margin: 0 auto;
}

.stats-charts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.main .table tr:only-child td,
.main .table tr:first-child th { border-top: none; }

/* ----- Empty state ----- */
.empty-state {
    text-align: center;
    padding: 2.5rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.empty-state a {
    font-weight: 600;
}

/* ----- Detail page meta ----- */
.detail-meta {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: #fafafa;
    border-radius: var(--input-radius);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.detail-actions form {
    display: inline;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    font-weight: 500;
    color: var(--text-muted);
}

.back-link:hover {
    color: var(--accent);
}