/* ── Detail pages: /truong/{slug} and /nganh/{majorCode} ─────────────────── */

.ts-detail-page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem 3rem;
}

/* ── Hero ────────────────────────────────────────────────────────────────── */

.ts-detail-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem 0 1.5rem;
    border-bottom: 1px solid var(--ts-border, #e2e8f0);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.ts-detail-identity {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.ts-detail-logo {
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: 10px;
    background: var(--ts-primary, #2563eb);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: .04em;
}

.ts-detail-logo--major {
    background: var(--ts-accent, #7c3aed);
}

.ts-detail-identity-text .ts-eyebrow {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ts-muted, #64748b);
    margin: 0 0 .25rem;
}

.ts-detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ts-heading, #0f172a);
    margin: 0 0 .4rem;
    line-height: 1.3;
}

.ts-detail-meta {
    font-size: .85rem;
    color: var(--ts-muted, #64748b);
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: .3rem;
    align-items: center;
}

.ts-sep {
    color: var(--ts-border, #cbd5e1);
}

.ts-detail-contact {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    font-size: .85rem;
    text-align: right;
}

.ts-detail-contact a {
    color: var(--ts-primary, #2563eb);
    text-decoration: none;
    word-break: break-all;
}

.ts-detail-contact a:hover {
    text-decoration: underline;
}

.ts-detail-badges {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    align-items: flex-start;
}

/* ── Stats row ───────────────────────────────────────────────────────────── */

.ts-detail-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.ts-detail-stat {
    flex: 1 1 160px;
    background: var(--ts-surface, #f8fafc);
    border: 1px solid var(--ts-border, #e2e8f0);
    border-radius: 10px;
    padding: .9rem 1.2rem;
    display: flex;
    flex-direction: column;
    gap: .2rem;
}

.ts-detail-stat strong {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ts-primary, #2563eb);
    line-height: 1;
}

.ts-detail-stat span {
    font-size: .78rem;
    color: var(--ts-muted, #64748b);
}

/* ── Section ─────────────────────────────────────────────────────────────── */

.ts-detail-section {
    margin-bottom: 2rem;
}

.ts-detail-section--desc {
    background: var(--ts-surface, #f8fafc);
    border-left: 3px solid var(--ts-primary, #2563eb);
    border-radius: 0 8px 8px 0;
    padding: .9rem 1.2rem;
}

.ts-detail-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.ts-detail-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ts-heading, #0f172a);
    margin: 0;
}

/* ── Year filter ─────────────────────────────────────────────────────────── */

.ts-year-filter {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-shrink: 0;
}

.ts-year-filter-label {
    font-size: .8rem;
    font-weight: 500;
    color: var(--ts-muted, #64748b);
    white-space: nowrap;
}

.ts-year-select {
    appearance: none;
    -webkit-appearance: none;
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right .65rem center;
    border: 1px solid var(--ts-border, #e2e8f0);
    border-radius: 6px;
    padding: .35rem 2rem .35rem .7rem;
    font-size: .85rem;
    color: var(--ts-text, #334155);
    cursor: pointer;
    min-width: 110px;
    height: 34px;
    line-height: 1;
}

.ts-year-select:focus {
    outline: none;
    border-color: var(--ts-primary, #2563eb);
    box-shadow: 0 0 0 2px rgba(37,99,235,.15);
}

.ts-detail-desc {
    font-size: .93rem;
    color: var(--ts-text, #334155);
    line-height: 1.65;
    margin: 0;
}

/* ── Table ───────────────────────────────────────────────────────────────── */

.ts-detail-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 8px;
    border: 1px solid var(--ts-border, #e2e8f0);
}

.ts-detail-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .87rem;
}

.ts-detail-table thead tr {
    background: var(--ts-surface, #f8fafc);
}

.ts-detail-table th {
    text-align: left;
    padding: .65rem .9rem;
    font-size: .78rem;
    font-weight: 600;
    color: var(--ts-muted, #64748b);
    text-transform: uppercase;
    letter-spacing: .04em;
    white-space: nowrap;
    border-bottom: 1px solid var(--ts-border, #e2e8f0);
}

.ts-detail-table td {
    padding: .6rem .9rem;
    color: var(--ts-text, #334155);
    border-bottom: 1px solid var(--ts-border, #f1f5f9);
    vertical-align: top;
}

.ts-detail-table tr:last-child td {
    border-bottom: none;
}

.ts-detail-table td a {
    color: var(--ts-primary, #2563eb);
    text-decoration: none;
}

.ts-detail-table td a:hover {
    text-decoration: underline;
}

.ts-detail-loading {
    text-align: center;
    color: var(--ts-muted, #94a3b8);
    padding: 2rem !important;
}

.ts-detail-empty-cell {
    text-align: center;
    color: var(--ts-muted, #94a3b8);
    padding: 2rem !important;
}

.ts-score-note {
    color: var(--ts-muted, #64748b);
    font-size: .78rem;
}

/* ── Data note ───────────────────────────────────────────────────────────── */

.ts-detail-data-note {
    font-size: .78rem;
    color: var(--ts-muted, #94a3b8);
    margin: .75rem 0 0;
    font-style: italic;
}

/* ── Popular schools (R3-M) ──────────────────────────────────────────────── */

.ts-detail-section-subtitle {
    font-size: .8rem;
    color: var(--ts-muted, #64748b);
    margin: 0;
}

.ts-detail-popular-schools {
    list-style: none;
    margin: 0;
    padding: 0;
    border: 1px solid var(--ts-border, #e2e8f0);
    border-radius: 8px;
    overflow: hidden;
}

.ts-detail-popular-school {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .65rem .9rem;
    font-size: .87rem;
    border-bottom: 1px solid var(--ts-border, #f1f5f9);
}

.ts-detail-popular-school:last-child {
    border-bottom: none;
}

.ts-detail-popular-school-name a {
    color: var(--ts-primary, #2563eb);
    text-decoration: none;
}

.ts-detail-popular-school-name a:hover {
    text-decoration: underline;
}

.ts-detail-popular-school-count {
    color: var(--ts-muted, #64748b);
    font-size: .8rem;
    white-space: nowrap;
}

/* ── CTA ─────────────────────────────────────────────────────────────────── */

.ts-detail-cta {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ts-border, #e2e8f0);
}

.ts-btn {
    display: inline-flex;
    align-items: center;
    padding: .6rem 1.25rem;
    border-radius: 8px;
    font-size: .875rem;
    font-weight: 600;
    text-decoration: none;
    background: var(--ts-primary, #2563eb);
    color: #fff;
    border: 1.5px solid transparent;
    transition: background .15s, box-shadow .15s;
}

.ts-btn:hover {
    background: var(--ts-primary-dark, #1d4ed8);
}

.ts-btn-outline {
    background: transparent;
    color: var(--ts-primary, #2563eb);
    border-color: var(--ts-primary, #2563eb);
}

.ts-btn-outline:hover {
    background: var(--ts-primary, #2563eb);
    color: #fff;
}

/* ── Empty ───────────────────────────────────────────────────────────────── */

.ts-detail-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--ts-muted, #64748b);
}

.ts-detail-empty a {
    color: var(--ts-primary, #2563eb);
    text-decoration: none;
    font-weight: 600;
}

.ts-detail-empty a:hover {
    text-decoration: underline;
}

/* ── Mobile ──────────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
    .ts-detail-section-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .ts-year-select {
        width: 100%;
    }

    .ts-detail-hero {
        flex-direction: column;
        gap: 1rem;
    }

    .ts-detail-contact {
        text-align: left;
    }

    .ts-detail-title {
        font-size: 1.2rem;
    }

    .ts-detail-stat strong {
        font-size: 1.1rem;
    }

    .ts-detail-table {
        font-size: .82rem;
    }

    .ts-detail-table th,
    .ts-detail-table td {
        padding: .5rem .65rem;
    }

    .ts-detail-cta {
        flex-direction: column;
    }

    .ts-btn {
        justify-content: center;
    }
}