:root {
    --bg: #f3f6fb;
    --surface: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #0f4c81;
    --primary-dark: #0b3a62;
    --secondary: #e5eef7;
    --success: #0f7b3a;
    --error: #b42318;
    --warning: #b54708;
    --border: #d7dee8;
    --shadow: 0 10px 30px rgba(15, 76, 129, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.top-banner {
    background: #000000;
    color: #fff;
    padding: 20px 24px 16px;
    text-align: center;
    border-bottom: 4px solid #00838f;
}

.banner-image {
    display: block;
    max-width: min(280px, 100%);
    max-height: 72px;
    object-fit: contain;
    margin: 0 auto 12px;
}

.banner-text {
    font-size: 1.25rem;
    font-weight: 600;
}

.content-area {
    flex: 1;
    width: min(720px, calc(100% - 32px));
    margin: 32px auto;
}

.card-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.card-panel.narrow {
    width: min(480px, calc(100% - 32px));
    margin: 48px auto;
}

h1, h2 {
    margin: 0 0 8px;
}

.subtitle {
    margin: 0 0 24px;
    color: var(--muted);
}

.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input[type="text"],
input[type="password"],
input[type="url"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
    background: #fff;
}

input:focus {
    outline: 2px solid rgba(15, 76, 129, 0.25);
    border-color: var(--primary);
}

.card-input-wrap {
    position: relative;
}

#card_number {
    padding-right: 58px;
}

.card-type-logo {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 28px;
    object-fit: contain;
    border-radius: 4px;
    background: #ffffff;
    padding: 2px 4px;
    box-shadow: 0 0 0 1px rgba(15, 76, 129, 0.08);
}

.field-hint {
    display: block;
    margin-top: 6px;
    color: var(--muted);
    font-size: 0.85rem;
}

.upload-requirements {
    margin-top: 10px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #f8fbff;
    font-size: 0.9rem;
    color: var(--text);
}

.upload-requirements strong {
    display: block;
    margin-bottom: 8px;
}

.upload-requirements ul {
    margin: 0;
    padding-left: 18px;
}

.upload-requirements li {
    margin-bottom: 4px;
}

.banner-preview {
    margin-bottom: 12px;
    padding: 12px;
    background: #000;
    border-radius: 10px;
    text-align: center;
}

.banner-preview img {
    max-width: min(280px, 100%);
    max-height: 72px;
    object-fit: contain;
}

.field-error {
    display: block;
    margin-top: 6px;
    color: var(--error);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--secondary);
    color: var(--primary);
}

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

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

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.alert {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 16px;
}

.alert-success {
    background: #e8f7ee;
    color: var(--success);
}

.alert-error {
    background: #fdecec;
    color: var(--error);
}

.alert-warning {
    background: #fff4e5;
    color: var(--warning);
}

.alert-info {
    background: #ebf3ff;
    color: var(--primary);
}

.hidden {
    display: none !important;
}

.mt-12 {
    margin-top: 12px;
}

.mt-16 {
    margin-top: 16px;
}

.trust-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 24px;
    border-top: 1px solid var(--border);
    background: #fff;
}

.trust-logo {
    height: 56px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.accepted-panel {
    text-align: center;
    padding: 24px 0 8px;
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: #e8f7ee;
    color: var(--success);
    display: grid;
    place-items: center;
    font-size: 2rem;
    font-weight: 700;
}

.admin-shell {
    width: min(1200px, calc(100% - 32px));
    margin: 24px auto 48px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.admin-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 16px;
    align-items: end;
}

.align-end {
    align-self: end;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.muted {
    color: var(--muted);
    font-size: 0.9rem;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

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

.data-table th {
    background: #f8fbff;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.empty-row {
    text-align: center;
    color: var(--muted);
}

.status-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.status-pending { background: #eef2ff; color: #3730a3; }
.status-submitted { background: #fff4e5; color: var(--warning); }
.status-accepted { background: #e8f7ee; color: var(--success); }
.status-rejected { background: #fdecec; color: var(--error); }

.action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.action-buttons .btn {
    padding: 8px 12px;
    font-size: 0.85rem;
}

@media (max-width: 900px) {
    .admin-form-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}


/* ===== Payment page: two-column layout ===== */
.content-area:has(.payment-layout) {
    width: min(1080px, calc(100% - 32px));
}

.payment-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 32px;
    padding: 0;
    overflow: hidden;
}

.pay-info {
    background: #f8fbff;
    border-right: 1px solid var(--border);
    padding: 28px;
}

.pay-form {
    padding: 28px;
}

.pay-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    background: var(--secondary);
    padding: 4px;
    border-radius: 12px;
}

.pay-tab {
    flex: 1;
    padding: 10px 12px;
    border: none;
    background: transparent;
    border-radius: 9px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
}

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

.bank-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.bank-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 10px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
}

.bank-label {
    display: block;
    font-size: 0.78rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.bank-value {
    display: block;
    font-weight: 600;
    word-break: break-all;
}

.copy-btn {
    flex-shrink: 0;
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: var(--secondary);
    color: var(--primary);
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
}

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

.qr-box {
    display: grid;
    place-items: center;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.qr-box img {
    width: 100%;
    max-width: 260px;
    height: auto;
}

.req {
    color: var(--error);
}

.upload-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 120px;
    padding: 16px;
    margin-bottom: 0;
    border: 2px dashed var(--border);
    border-radius: 12px;
    background: #f8fbff;
    color: var(--muted);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
}

.upload-box:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.upload-box img {
    max-width: 100%;
    max-height: 160px;
    border-radius: 8px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
}

@media (max-width: 900px) {
    .payment-layout {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .pay-info {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}