/* RankVision — Institutes Page CSS (institutes.php) */

/* ── Hero ─────────────────────────────────────────────────── */
.inst-hero {
    padding: 2.5rem 0 1.75rem;
    background: radial-gradient(ellipse 70% 50% at 50% -10%, rgba(1, 156, 212, 0.08), transparent);
    border-bottom: 1px solid var(--border);
}

.inst-hero-content {
    text-align: center;
    margin-bottom: 1.25rem;
}

.inst-hero-content h1 {
    margin-bottom: 0.5rem;
}

.inst-hero-content p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.inst-search-hero {
    position: relative;
    max-width: 520px;
    margin: 0 auto 1rem;
}

.inst-search-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    width: 15px;
    height: 15px;
    color: var(--text-dim);
    pointer-events: none;
}

.inst-search-input {
    width: 100%;
    background: var(--bg-2);
    border: 1px solid var(--border-2);
    border-radius: var(--r-full);
    color: var(--text);
    font-size: 0.85rem;
    font-family: inherit;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    outline: none;
    transition: border-color 0.15s;
    box-shadow: var(--shadow-sm);
}

.inst-search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glass);
}

.inst-type-filter {
    display: flex;
    gap: 0.4rem;
    justify-content: center;
    flex-wrap: wrap;
}

.itype-btn {
    padding: 0.28rem 0.85rem;
    border-radius: var(--r-full);
    font-size: 0.72rem;
    font-weight: 700;
    border: 1px solid var(--border-2);
    background: var(--bg-3);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.12s;
}

.itype-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

/* ── Top 10 Grid ─────────────────────────────────────────── */
.top10-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.top10-card {
    background: var(--glass);
    border: 1px solid var(--glass-border-2);
    border-radius: var(--r-lg);
    padding: 0.875rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.18s;
}

.top10-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, var(--inst-color, var(--primary)), .10, transparent 70%);
    opacity: 0;
    transition: opacity 0.2s;
}

.top10-card:hover {
    border-color: var(--inst-color, var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.top10-card:hover::before {
    opacity: 1;
}

.top10-rank {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--inst-color, var(--primary));
    margin-bottom: 0.25rem;
    line-height: 1;
}

.top10-badge {
    display: inline-flex;
    font-size: 0.55rem;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.4rem;
}

.top10-badge.IIT {
    background: rgba(1, 156, 212, 0.15);
    color: var(--primary);
}

.top10-badge.NIT {
    background: rgba(129, 140, 248, 0.15);
    color: #818cf8;
}

.top10-badge.IIIT {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.top10-badge.GFTI {
    background: rgba(107, 114, 128, 0.15);
    color: #9ca3af;
}

.top10-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    line-height: 1.3;
}

.top10-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.88rem;
    color: var(--text-dim);
    margin-bottom: 0.3rem;
}

.top10-nirf {
    font-size: 0.8rem;
    color: var(--inst-color, var(--primary));
    font-weight: 700;
}

.top10-arrow {
    position: absolute;
    bottom: 0.95rem;
    right: 0.95rem;
    opacity: 0;
    transition: opacity 0.15s;
    color: var(--inst-color, var(--primary));
}

.top10-card:hover .top10-arrow {
    opacity: 1;
}

/* ── Filters Bar ─────────────────────────────────────────── */
.inst-filters-bar {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}

.inst-filters-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-chip-group {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.filter-chip-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.filter-mini-select {
    background: var(--bg-4);
    border: 1px solid var(--border-2);
    border-radius: var(--r-sm);
    color: var(--text);
    font-size: 0.72rem;
    font-family: inherit;
    padding: 0.28rem 0.55rem;
    outline: none;
    cursor: pointer;
}

.filter-mini-input {
    background: var(--bg-4);
    border: 1px solid var(--border-2);
    border-radius: var(--r-sm);
    color: var(--text);
    font-size: 0.72rem;
    font-family: inherit;
    padding: 0.28rem 0.5rem;
    outline: none;
    width: 70px;
}

/* ── Stats bar ───────────────────────────────────────────── */
.inst-stats-bar {
    font-size: 0.72rem;
    color: var(--text-dim);
    margin-bottom: 0.75rem;
}

.inst-stats-sep {
    margin: 0 0.4rem;
}

/* ── Institute Grid ──────────────────────────────────────── */
.inst-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    min-height: 200px;
}

.inst-card {
    background: var(--glass);
    border: 1px solid var(--glass-border-2);
    border-radius: var(--r-lg);
    padding: 1rem;
    cursor: pointer;
    transition: all 0.18s;
    position: relative;
}

.inst-card:hover {
    border-color: var(--border-2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.inst-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.inst-type-badge {
    font-size: 0.55rem;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.inst-type-badge.IIT {
    background: rgba(1, 156, 212, 0.15);
    color: var(--primary);
}

.inst-type-badge.NIT {
    background: rgba(129, 140, 248, 0.15);
    color: #818cf8;
}

.inst-type-badge.IIIT {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.inst-type-badge.GFTI {
    background: rgba(107, 114, 128, 0.15);
    color: #9ca3af;
}

.inst-nirf {
    font-size: 0.6rem;
    color: var(--text-dim);
    font-weight: 600;
}

.inst-card-name {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    line-height: 1.3;
}

.inst-card-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.68rem;
    color: var(--text-dim);
    margin-bottom: 0.3rem;
}

.inst-card-cutoff {
    font-size: 0.68rem;
    color: var(--primary);
    font-weight: 600;
}

.inst-card-arrow {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: 0.5rem;
    opacity: 0;
    transition: opacity 0.15s;
}

.inst-card:hover .inst-card-arrow {
    opacity: 1;
}

.inst-grid-loading,
.inst-error {
    grid-column: 1/-1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 180px;
    font-size: 0.82rem;
    color: var(--text-dim);
}

/* ── Pagination ──────────────────────────────────────────── */
.inst-pagination {
    display: flex;
    gap: 0.35rem;
    justify-content: center;
    margin-top: 1.25rem;
    flex-wrap: wrap;
}

.pag-btn {
    padding: 0.3rem 0.7rem;
    border-radius: var(--r-sm);
    font-size: 0.78rem;
    font-weight: 600;
    border: 1px solid var(--border-2);
    background: var(--bg-3);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.12s;
}

.pag-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

/* ── Modal ───────────────────────────────────────────────── */
.inst-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 500;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.inst-modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.inst-modal {
    background: var(--bg-2);
    border: 1px solid var(--border-2);
    border-radius: var(--r-xl);
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(12px);
    transition: transform 0.2s;
}

.inst-modal-overlay.open .inst-modal {
    transform: translateY(0);
}

.inst-modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-4);
    border: 1px solid var(--border-2);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
}

.inst-modal-close:hover {
    background: var(--dream);
    color: #fff;
}

.inst-modal-hero {
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid var(--border);
}

.inst-modal-badge {
    display: inline-flex;
    font-size: 0.6rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}

.inst-modal-badge.IIT {
    background: rgba(1, 156, 212, 0.15);
    color: var(--primary);
}

.inst-modal-badge.NIT {
    background: rgba(129, 140, 248, 0.18);
    color: #818cf8;
}

.inst-modal-badge.IIIT {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.inst-modal-badge.GFTI {
    background: rgba(107, 114, 128, 0.15);
    color: #9ca3af;
}

.inst-modal-title {
    font-size: 1.2rem;
    font-weight: 900;
    margin-bottom: 0.35rem;
}

.inst-modal-location {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.inst-modal-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    line-height: 1.65;
}

.inst-modal-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    padding: 0 1.5rem;
}

.modal-tab {
    padding: 0.7rem 1rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
    margin-bottom: -1px;
}

.modal-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.inst-modal-content {
    padding: 1.25rem 1.5rem;
}

.modal-tab-panel {
    animation: fadeInUp 0.15s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(6px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

.branch-tag-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
}

.branch-tag {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0.45rem 0.65rem;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    font-size: 0.74rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.12s;
}

.branch-tag:hover {
    background: var(--primary-glass);
    border-color: var(--primary-border);
    color: var(--primary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.about-stat {
    background: var(--bg-3);
    border-radius: var(--r-sm);
    padding: 0.6rem 0.75rem;
    text-align: center;
}

.about-stat-label {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    display: block;
    margin-bottom: 4px;
}

.about-stat-val {
    font-size: 0.85rem;
    font-weight: 700;
}

.about-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.65;
}

.inst-no-data {
    text-align: center;
    padding: 2rem;
    color: var(--text-dim);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

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

.cutoff-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.74rem;
}

.cutoff-table th {
    background: var(--bg-3);
    padding: 0.45rem 0.6rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}

.cutoff-table td {
    padding: 0.4rem 0.6rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}

.cutoff-table tr:hover td {
    background: var(--bg-3);
}

.modal-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 3rem;
    color: var(--text-dim);
    font-size: 0.82rem;
}

.grid-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width:1100px) {
    .top10-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .inst-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:768px) {
    .top10-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .inst-grid {
        grid-template-columns: 1fr;
    }

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

    .branch-tag-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width:500px) {
    .top10-grid {
        grid-template-columns: 1fr 1fr;
    }
}