:root {
    --primary: #0f172a;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    padding-bottom: 40px;
}

.topbar {
    background: var(--primary);
    color: #fff;
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar h1 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.4px;
}

.topbar span {
    font-size: 0.8rem;
    color: #94a3b8;
}

.container {
    max-width: 540px;
    margin: 24px auto;
    padding: 0 16px;
}

.admin-container {
    max-width: 1200px;
    margin: 24px auto;
    padding: 0 20px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px;
    margin-bottom: 20px;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-blue {
    background: #dbeafe;
    color: #1e40af;
}

.badge-green {
    background: #dcfce7;
    color: #166534;
}

.badge-yellow {
    background: #fef3c7;
    color: #92400e;
}

.badge-red {
    background: #fee2e2;
    color: #991b1b;
}

h2 {
    font-size: 1.3rem;
    margin-bottom: 6px;
    color: var(--primary);
}

h3 {
    font-size: 1.05rem;
    margin-bottom: 12px;
    color: var(--primary);
}

p.subtext {
    font-size: 0.88rem;
    color: var(--muted);
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 14px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #334155;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 0.95rem;
    background: #fff;
    color: var(--text);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 18px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
}

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

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

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

.btn-outline {
    background: #fff;
    color: var(--primary);
    border: 1px solid #cbd5e1;
}

.btn-outline:hover {
    background: #f1f5f9;
}

.btn-sm {
    width: auto;
    padding: 7px 13px;
    font-size: 0.82rem;
}

.fee-box {
    background: #f1f5f9;
    border-radius: 8px;
    padding: 14px;
    margin: 16px 0;
    border-left: 4px solid var(--accent);
}

.fee-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
    margin-bottom: 4px;
}

.fee-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.08rem;
    font-weight: 700;
    border-top: 1px solid #cbd5e1;
    padding-top: 8px;
    margin-top: 6px;
    color: var(--primary);
}

/* Receipt Box for PDF Export */
.receipt-ticket {
    border: 2px solid var(--primary);
    border-radius: 10px;
    padding: 20px;
    background: #fff;
    margin-bottom: 16px;
}

.receipt-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 2px dashed var(--border);
    padding-bottom: 12px;
    margin-bottom: 14px;
}

.receipt-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 0.85rem;
    margin-bottom: 14px;
}

.receipt-grid div strong {
    display: block;
    color: var(--muted);
    font-size: 0.74rem;
    text-transform: uppercase;
}

.receipt-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

/* Admin Tabs & Tables */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 9px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.88rem;
}

.tab-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.86rem;
}

th,
td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

th {
    background: #f8fafc;
    font-weight: 700;
    color: #475569;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.stat-card {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    text-align: center;
}

.stat-card .val {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-card .lbl {
    font-size: 0.76rem;
    color: var(--muted);
    text-transform: uppercase;
}

.hidden {
    display: none !important;
}

.alert {
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.88rem;
    margin-bottom: 16px;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 10px;
    margin-top: 10px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.receipt-grid div span {
    word-break: break-word;
}

/* Mobile & Tablet Responsive Overrides */
@media (max-width: 768px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px 16px;
    }

    /* Force all Admin & Public multi-column grids (including inline styles) to stack cleanly on mobile */
    .form-row {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }

    .card {
        padding: 16px;
    }

    /* 16px prevents iOS Safari / WhatsApp browser from auto-zooming when parents tap inputs */
    input,
    select,
    textarea {
        font-size: 16px;
    }

    .tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
    }

    .tab-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .receipt-header,
    .receipt-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .receipt-header>div:last-child,
    .receipt-footer>div:last-child {
        text-align: left !important;
    }
}