/* Portal – blue & white theme */
:root {
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --surface: #ffffff;
    --surface2: #f1f5f9;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --text: #1e293b;
    --text-muted: #64748b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #eff6ff;
    --success: #16a34a;
    --danger: #dc2626;
    --font: "DM Sans", system-ui, sans-serif;
    --radius: 12px;
    --header-h: 56px;
    --page-space: 16px;
}

.portal-body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.5; color: var(--text); background: var(--bg-alt); min-height: 100vh; display: flex; flex-direction: column; }

.portal-header { height: var(--header-h); background: #fff; border-bottom: 1px solid var(--border); box-shadow: 0 1px 3px rgba(0,0,0,0.06); position: sticky; top: 0; z-index: 50; }
.portal-header-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 100%; display: flex; align-items: center; justify-content: space-between; }
.portal-logo { font-weight: 700; font-size: 1.125rem; color: var(--accent); text-decoration: none; }
.portal-logo:hover { color: var(--accent-hover); }
.portal-nav { display: flex; align-items: center; gap: 20px; }
.portal-menu-toggle { display: none; border: 1px solid var(--border); background: #fff; border-radius: 10px; width: 40px; height: 40px; font-size: 1.2rem; color: var(--text); cursor: pointer; }
.portal-nav a { color: var(--text-muted); text-decoration: none; font-size: 0.9375rem; }
.portal-nav a:hover { color: var(--accent); }
.portal-nav a.btn-primary { color: #fff !important; }
.portal-nav a.btn-primary:hover { color: #fff !important; }
.portal-user { color: var(--text-muted); font-size: 0.9375rem; }

.portal-messages { max-width: 1200px; margin: 12px auto 0; padding: 0 20px; }
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 8px; }
.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: var(--success); border: 1px solid #bbf7d0; }
.alert-warning { background: #fffbeb; color: #b45309; border: 1px solid #fde68a; }

.portal-main { flex: 1; padding: 18px 20px; max-width: 1200px; margin: 0 auto; width: 100%; }
.portal-footer { padding: 20px; border-top: 1px solid var(--border); background: #fff; text-align: center; color: var(--text-muted); font-size: 0.875rem; }
.portal-footer-inner { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.portal-footer a { color: var(--accent); text-decoration: none; }
.portal-footer a:hover { color: var(--accent-hover); }
.portal-footer-legal { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; margin-top: 12px; font-size: 0.8125rem; }
.portal-footer-legal a { color: var(--text-muted); }
.portal-footer-legal a:hover { color: var(--accent); }

/* Buttons */
.btn { display: inline-block; padding: 10px 20px; font-size: 0.9375rem; font-weight: 600; text-decoration: none; border-radius: var(--radius); transition: background 0.2s, color 0.2s; border: none; cursor: pointer; font-family: inherit; }
.btn-sm { padding: 6px 14px; font-size: 0.875rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; text-align: center; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: #fff; color: var(--accent); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--surface2); color: var(--accent-hover); border-color: var(--accent); }

/* Auth */
.auth-card { max-width: 400px; margin: 40px auto; padding: 32px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 4px 12px rgba(0,0,0,0.06); }
.auth-title { margin: 0 0 8px; font-size: 1.5rem; font-weight: 700; color: var(--text); }
.auth-subtitle { margin: 0 0 24px; color: var(--text-muted); font-size: 0.9375rem; }
.auth-form .label { display: block; margin-bottom: 6px; font-size: 0.875rem; font-weight: 500; color: var(--text-muted); }
.auth-form .input { width: 100%; padding: 10px 14px; font-size: 1rem; border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--text); margin-bottom: 16px; }
.auth-form .input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.auth-form .btn { margin-top: 8px; }
.auth-footer { margin-top: 20px; text-align: center; color: var(--text-muted); font-size: 0.9375rem; }
.auth-footer a { color: var(--accent); text-decoration: none; }

/* Page head */
.page-head { margin-bottom: 24px; }
.back-link { color: var(--text-muted); text-decoration: none; font-size: 0.9375rem; display: inline-block; margin-bottom: 12px; }
.back-link:hover { color: var(--accent); }
.page-head h1 { margin: 0 0 8px; font-size: 1.5rem; font-weight: 700; color: var(--text); }
.page-head p { margin: 0; color: var(--text-muted); font-size: 0.9375rem; }

/* Test list */
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.tab { padding: 8px 16px; border-radius: 8px; background: #fff; color: var(--text-muted); text-decoration: none; font-size: 0.9375rem; border: 1px solid var(--border); }
.tab:hover { color: var(--accent); background: var(--accent-light); border-color: var(--accent); }
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.test-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.test-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.test-badge { display: inline-block; padding: 4px 10px; background: var(--accent-light); border-radius: 6px; font-size: 0.75rem; font-weight: 600; color: var(--accent); margin-bottom: 12px; width: fit-content; }
.test-title { margin: 0 0 12px; font-size: 1.125rem; font-weight: 600; color: var(--text); }
.test-title a { color: var(--text); text-decoration: none; }
.test-title a:hover { color: var(--accent); }
.test-meta { list-style: none; margin: 0 0 16px; padding: 0; font-size: 0.875rem; color: var(--text-muted); }
.test-meta li { display: inline; margin-right: 12px; }
.test-meta.inline { margin-bottom: 8px; }
.test-actions { margin-top: auto; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.test-actions.single { margin-top: 24px; }
.test-actions-list { flex-direction: column; align-items: flex-start; }
.attempts-hint { font-size: 0.8125rem; color: var(--text-muted); }
.attempts-used { font-size: 0.875rem; color: var(--text-muted); font-weight: 500; }
.result-attempts-meta { margin-bottom: 16px; font-size: 0.9375rem; }
.test-price { font-weight: 600; color: var(--accent); margin-right: 8px; }
.empty { color: var(--text-muted); text-align: center; padding: 40px 20px; }

/* Detail */
.detail-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.detail-card p { margin: 0 0 8px; font-size: 0.9375rem; color: var(--text); }
.price-line { margin-bottom: 8px; }
.muted { color: var(--text-muted); font-size: 0.9375rem; }

/* Result */
.result-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; margin-bottom: 24px; max-width: 760px; box-shadow: 0 8px 24px rgba(15,23,42,0.08); }
.result-card.passed { border-color: #bbf7d0; }
.result-card.failed { border-color: #fecaca; }
.result-card-modern { background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%); }
.result-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; margin-bottom: 18px; }
.result-score { margin-bottom: 16px; }
.result-label { display: block; font-size: 0.875rem; color: var(--text-muted); margin-bottom: 4px; }
.result-value { font-size: 1.75rem; font-weight: 700; color: var(--text); }
.result-status { margin-bottom: 16px; }
.result-meta { list-style: none; margin: 0 0 20px; padding: 0; font-size: 0.9375rem; color: var(--text-muted); }
.result-meta li { margin-bottom: 4px; }
.result-meta-grid { list-style: none; margin: 0 0 22px; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.result-meta-grid li { border: 1px solid var(--border); border-radius: 10px; background: #fff; padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; }
.result-meta-grid li span { font-size: 0.78rem; color: var(--text-muted); }
.result-meta-grid li strong { font-size: 1rem; color: var(--text); font-weight: 700; }
.result-sections { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); }
.result-sections h3 { margin: 0 0 12px; font-size: 1rem; color: var(--text); }
.result-sections ul { list-style: none; margin: 0; padding: 0; font-size: 0.9375rem; }
.result-sections li { margin-bottom: 4px; color: var(--text-muted); }
.result-sections-list li { margin: 0 0 8px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: #fff; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.result-sections-list .section-name { color: var(--text); font-weight: 600; }
.result-sections-list .section-score { color: var(--accent); font-weight: 700; }
.result-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Review */
.review-list { margin-bottom: 24px; }
.review-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.review-card.review-correct { border-left: 4px solid var(--success); background: #f0fdf4; }
.review-card.review-incorrect { border-left: 4px solid var(--danger); background: #fef2f2; }
.review-card.review-skipped { border-left: 4px solid var(--text-muted); background: var(--surface2); }
.review-q { margin-bottom: 12px; font-size: 1rem; line-height: 1.5; color: var(--text); }
.review-meta { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 12px; }
.review-your, .review-correct, .review-explanation { font-size: 0.9375rem; margin-bottom: 8px; color: var(--text); }
.review-explanation { padding-top: 12px; border-top: 1px solid var(--border); margin-top: 12px; color: var(--text-muted); }

/* Table */
.badge { display: inline-block; padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; }
.badge-success { background: #dcfce7; color: var(--success); }
.badge-danger { background: #fee2e2; color: var(--danger); }
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.portal-table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.portal-table th, .portal-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); color: var(--text); }
.portal-table th { color: var(--text-muted); font-weight: 600; font-size: 0.8125rem; text-transform: uppercase; background: var(--bg-alt); }
.portal-table a { color: var(--accent); text-decoration: none; }
.portal-table a:hover { text-decoration: underline; }

/* Razorpay checkout */
.muted-pay { color: var(--text-muted); font-size: 0.9375rem; margin-top: 4px; }
.pay-card { max-width: 480px; }
.pay-amount { font-size: 1.125rem; margin-bottom: 12px; }
.pay-inr { font-size: 0.875rem; font-weight: 500; color: var(--text-muted); }
.pay-note { color: var(--text-muted); font-size: 0.9375rem; margin-bottom: 20px; line-height: 1.5; }
.pay-cancel { margin-top: 16px; text-align: center; font-size: 0.875rem; }
.pay-cancel a { color: var(--text-muted); }
.pay-cancel a:hover { color: var(--accent); }
.pay-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.pay-actions .btn { width: 100%; max-width: 280px; text-align: center; }
.attempt-cta-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.attempt-cta-row .btn { text-align: center; }
.test-actions-list .attempt-cta-row { width: 100%; flex-wrap: nowrap; }
.test-actions-list .attempt-cta-row .btn {
    flex: 1 1 50%;
    width: 50%;
    min-width: 0;
    text-align: center;
}

.pay-guest-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; max-width: 320px; }
.pay-guest-actions .btn { text-align: center; }

/* Guest checkout dialog — reset native dialog chrome, match auth-card / detail-card */
.pay-modal {
    border: none;
    padding: 0;
    margin: auto;
    width: min(440px, calc(100vw - 32px));
    background: transparent;
    box-shadow: none;
    z-index: 200;
}
.pay-modal::backdrop {
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(4px);
}
.pay-modal-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.03);
    overflow: hidden;
}
.pay-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 24px 24px 0;
}
.pay-modal-title {
    margin: 0;
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.25;
    letter-spacing: -0.02em;
}
.pay-modal-x {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    background: var(--surface2);
    color: var(--text-muted);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    transition: background 0.15s, color 0.15s;
}
.pay-modal-x:hover {
    background: var(--border);
    color: var(--text);
}
.pay-modal-sub {
    margin: 0;
    padding: 8px 24px 20px;
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.5;
}
.pay-modal-error {
    margin: 0 24px 16px;
    padding: 10px 12px;
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
    border-radius: 8px;
    font-size: 0.875rem;
}
/* Stack fields vertically (override any inherited row layout) */
.pay-modal-form {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 0 24px 8px;
    box-sizing: border-box;
}
.pay-modal-form .label {
    display: block;
    width: 100%;
    margin-bottom: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
}
.label-optional { font-weight: 400; color: var(--text-muted); opacity: 0.85; }
.pay-modal-form .input {
    display: block;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 10px 14px;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    color: var(--text);
    margin-bottom: 16px;
    box-sizing: border-box;
}
.pay-modal-form .input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}
.pay-modal-form .field-error {
    margin: -12px 0 14px;
    font-size: 0.8125rem;
    color: var(--danger);
}
.pay-modal-form .btn {
    margin-top: 4px;
}
.pay-modal-bottom {
    padding: 16px 24px 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-alt);
    text-align: center;
}
.pay-modal-footer {
    margin: 0 0 12px;
    font-size: 0.9375rem;
    color: var(--text-muted);
}
.pay-modal-footer a {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
}
.pay-modal-footer a:hover {
    text-decoration: underline;
    color: var(--accent-hover);
}
.pay-modal-cancel {
    background: none;
    border: none;
    padding: 8px 12px;
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text-muted);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.pay-modal-cancel:hover {
    color: var(--text);
}

.portal-mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(15, 23, 42, 0.45); z-index: 89; }
.portal-mobile-sidebar { display: none; position: fixed; top: 0; right: 0; width: min(320px, 86vw); height: 100vh; background: #fff; border-left: 1px solid var(--border); transform: translateX(100%); transition: transform 0.25s ease; z-index: 90; padding: 14px 16px 20px; }
.portal-mobile-sidebar.is-open { transform: translateX(0); }
.portal-mobile-overlay.is-open { display: block; }
.portal-mobile-sidebar-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; font-weight: 600; }
.portal-menu-close { border: 1px solid var(--border); background: #fff; border-radius: 8px; width: 36px; height: 36px; font-size: 1.4rem; cursor: pointer; }
.portal-mobile-nav { display: flex; flex-direction: column; gap: 8px; }
.portal-mobile-nav a { color: var(--text); text-decoration: none; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg-alt); font-size: 0.95rem; }
body.portal-menu-open { overflow: hidden; }

@media (max-width: 640px) {
    .portal-header {
        height: var(--header-h);
    }
    .portal-header-inner {
        padding: 8px 16px;
    }
    .portal-nav {
        display: none;
    }
    .portal-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .portal-mobile-sidebar {
        display: block;
    }
    .portal-nav .btn {
        padding: 8px 12px;
    }
    .portal-main { padding: var(--page-space); }
    .test-grid { grid-template-columns: 1fr; }
    .auth-card { margin: 16px 0; padding: 20px; }
    .detail-card,
    .review-card,
    .result-card {
        padding: 18px;
        margin-bottom: 14px;
    }
    .result-top {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 12px;
    }
    .page-head {
        margin-bottom: 14px;
    }
    .filter-tabs {
        margin-bottom: 14px;
    }
    .test-actions,
    .result-actions,
    .attempt-cta-row {
        width: 100%;
        align-items: stretch;
    }
    .test-actions .btn,
    .result-actions .btn,
    .attempt-cta-row .btn,
    .pay-actions .btn {
        width: 100%;
        max-width: none;
        text-align: center;
    }
}