/* ============================================
   UNIVERSITY HUB PAGES
   Shared styles for /universities/<slug>/*
   Reuses variables from styles.css.
   ============================================ */

/* ---------- Loading + error states ---------- */
#uniRoot .container {
    max-width: none;
}
.uni-hub-loading,
.uni-hub-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 6rem 2rem;
    text-align: center;
    color: var(--text-tertiary);
    min-height: 40vh;
}

.uni-hub-loading .material-icons-round,
.uni-hub-error .material-icons-round {
    font-size: 44px;
    opacity: 0.55;
}

.uni-hub-error .material-icons-round {
    color: var(--accent-color);
    opacity: 0.9;
}

.uni-hub-loading p,
.uni-hub-error p {
    font-size: 1rem;
    margin: 0;
}

@keyframes uni-hub-spin {
    to { transform: rotate(360deg); }
}

.uni-hub-loading .material-icons-round {
    animation: uni-hub-spin 1.2s linear infinite;
}

/* ---------- Hero ---------- */
.uni-hub-hero {
    padding: 3.5rem 0 1rem;
    position: relative;
}

.uni-hub-identity {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.uni-hub-logo {
    width: 84px;
    /* height: 84px; */
    min-width: 84px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #ffffff;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    position: relative;
}

.uni-hub-logo img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
    background: #ffffff;
    z-index: 1;
}

.uni-hub-identity-body {
    flex: 1;
    min-width: 0;
}

.uni-hub-name {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.uni-hub-tag {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-tertiary);
}

.uni-hub-tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border: 1px solid var(--text-secondary);
    border-radius: .3rem;
    font-weight: 500;
    color: var(--text-primary);
}

.uni-hub-tag-pill .material-icons-round {
    font-size: 15px;
    color: var(--accent-color);
}


.uni-hub-tagline {
    font-size: 1.5rem;
    color: var(--text-primary);
    max-width: 620px;
    margin-bottom: 32px;
}

/* ---------- Stats ---------- */
.uni-hub-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.uni-hub-stat {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--divider-color);
    border-radius: .3rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
}

.uni-hub-stat .material-icons-round {
    font-size: 17px;
    color: var(--accent-color);
}

/* ---------- Controls: search + level filter ---------- */
.uni-hub-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
    margin: 2.5rem 0 1.5rem;
}

.uni-hub-search {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 240px;
    max-width: 420px;
    padding: 12px 18px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.uni-hub-search:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.uni-hub-search .material-icons-round {
    font-size: 20px;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.uni-hub-search input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    min-width: 0;
}

.uni-hub-search input::placeholder {
    color: var(--text-tertiary);
}

.uni-hub-levels {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.level-chip {
    padding: 9px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--divider-color);
    border-radius: .3rem;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.level-chip:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.level-chip.active {
    background: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
}

/* ---------- Course grid ---------- */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    perspective: 1000px;
}

.course-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    background: var(--bg-surface);
    border: 1px solid var(--divider-color);
    border-radius: 14px;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: border-color var(--transition-fast),
                transform 0.15s ease-out,
                box-shadow var(--transition-fast);
    will-change: transform;
}

.course-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(
        400px circle at var(--mx, 50%) var(--my, 50%),
        rgba(244, 67, 54, 0.05),
        transparent 40%
    );
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
    z-index: 0;
}

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

.course-card > * {
    position: relative;
    z-index: 1;
}


.course-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.course-code-display {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    line-height: 1;
}

.course-level-badge {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 4px 10px;
    background: var(--bg-elevated);
    color: var(--text-tertiary);
    border-radius: .3rem;
    letter-spacing: 0.6px;
    white-space: nowrap;
    flex-shrink: 0;
}

.course-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.98rem;
    color: var(--text-primary);
    margin-top: auto;
    padding-top: 4px;
}

.course-meta .dot-sep {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--text-tertiary);
    opacity: 0.6;
}

.course-card-arrow {
    position: absolute;
    right: 20px;
    bottom: 20px;
    font-size: 20px;
    color: var(--text-tertiary);
    transition: transform var(--transition-fast), color var(--transition-fast);
    z-index: 1;
}


/* ---------- Empty state ---------- */
.uni-hub-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 4rem 2rem;
    color: var(--text-tertiary);
    text-align: center;
}

.uni-hub-empty .material-icons-round {
    font-size: 44px;
    opacity: 0.5;
}

.uni-hub-empty p {
    font-size: 1rem;
    margin: 0;
}

/* ---------- Section heading ---------- */
.uni-hub-section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 1.2rem;
}

.uni-hub-section-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.uni-hub-section-count {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* ---------- Bottom CTA ---------- */
.uni-hub-body {
    padding-top: 0;
}

.uni-hub-cta {
    margin: 3rem 0 1rem;
    padding: 32px 28px;
    background: var(--bg-surface);
    /* border: 1px solid rgba(244,67,54,0.22); */
    border-radius: 16px;
    text-align: center;
}

.uni-hub-cta h2 {
    font-size: 1.95rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.uni-hub-cta p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin: 0 0 18px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.uni-hub-cta .btn-cta-top {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px !important;
    font-size: 1rem;
    border-radius: 10px;
}

/* ---------- Tilt disabled on touch / reduced motion ---------- */
@media (hover: none) {
    .course-card {
        transform: none !important;
    }
    .course-card::before {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .course-card {
        transform: none !important;
    }
    .uni-hub-loading .material-icons-round {
        animation: none;
    }
}

/* ---------- Mobile ---------- */
@media (max-width: 600px) {
    .uni-hub-hero {
        padding: 2.5rem .4rem 0.5rem;
    }
    .uni-hub-identity {
        gap: 14px;
        align-items: flex-start;
    }
    .uni-hub-logo {
        width: 64px;
        height: 64px;
        min-width: 64px;
        border-radius: 14px;
        font-size: 1.1rem;
    }
    .uni-hub-name {
        font-size: 1.8rem;
    }
    .uni-hub-tagline {
        font-size: 1.1rem;
    }
    .uni-hub-stat {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    .uni-hub-controls {
        margin: 1.75rem .4rem 1rem;
    }
    .uni-hub-search {
        max-width: 100%;
    }
    .course-grid {
        grid-template-columns: 1fr;
    }
    .course-card {
        padding: 16px;
    }
    .course-code-display {
        font-size: 1.2rem;
    }
}

/* ============================================
   CAMPUS IMAGE BACKGROUND ON HERO
   Applies when the JSON has a `campusImage`.
   The overlay uses --bg-primary-transparent so
   it stays consistent with the app's theme.
   ============================================ */

.uni-hub-hero.has-campus-image {
    padding: 5rem 0 3rem;
    border-radius: 1rem;
    min-height: 70svh;
    display: flex;
    align-items: flex-end;
    position: relative;
    margin-top: 1rem;
    clip-path: inset(0 round 1rem);
    isolation: isolate;
}

.uni-hub-hero.has-campus-image .container {
    position: relative;
    z-index: 1;
    width: 100%;
}

/* Slightly more breathing room for tagline + stats against the image */
.uni-hub-hero.has-campus-image .uni-hub-tagline {
    margin-bottom: 24px;
}

/* On mobile keep the image visible but reduce height */
@media (max-width: 600px) {
    .uni-hub-hero.has-campus-image {
        padding: 3rem 0 2rem;
        min-height: 60svh;
    position: relative;
    clip-path: inset(0 round 1rem);
    isolation: isolate;
}
}

/* Fallback for very old browsers without multiple background support */
@supports not (background-image: linear-gradient(red, red)) {
    .uni-hub-hero.has-campus-image {
    position: relative;
    clip-path: inset(0 round 1rem);
    isolation: isolate;
}
}

/* ============================================
   BREADCRUMB
   (Identical to the one in courses.css — kept
   here so universities.css is self-contained.)
   ============================================ */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    padding: 20px 0 4px;
    font-size: 1rem;
    color: var(--text-tertiary);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--accent-color);
}

.breadcrumb .sep {
    font-size: 14px;
    color: var(--text-tertiary);
    opacity: 0.6;
}

.breadcrumb .current {
    color: var(--text-primary);
}
a {
    color: var(--text-primary);
    text-decoration: none;
}
/* iOS Safari parallax */
.uni-hub-hero.has-campus-image::before {
    content: '';
    position: fixed;
    inset: 0;
    height: 100vh;
    height: 100lvh;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--bg-primary-trans), var(--bg-primary-trans)),
        var(--campus-image);
    background-size: cover, cover;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
}
.uni-hub-hero.has-campus-image > * {
    position: relative;
    z-index: 1;
}

/* ios-safe fixed parallax */
.uni-hub-hero.has-campus-image {
    min-height: 70lvh;
}
.uni-hub-hero.has-campus-image::before {
    height: 100vh;
    height: 100lvh;
    will-change: transform;
}
@media (max-width: 600px) {
    .uni-hub-hero.has-campus-image {
        min-height: 60lvh;
    }
}