/* =========================================
   Campus Life Page Styles
   ========================================= */

/* Events Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Event Cards */
.event-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.event-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--color-accent-tertiary);
    /* using variable */
}

.event-card-body {
    padding: 1.5rem;
}

.event-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.event-card:hover .event-img {
    transform: scale(1.05);
}

.event-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.event-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Event Badges */
.event-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.event-badge.sports {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.event-badge.cultural {
    background: rgba(245, 158, 11, 0.15);
    color: #fcd34d;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.event-badge i {
    font-size: 1rem;
}

/* Event Filters */
.event-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.event-filter-btn {
    padding: 0.6rem 1.8rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: var(--color-text-light);
    /* using variable */
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.event-filter-btn:hover,
.event-filter-btn.active {
    background: var(--color-accent-tertiary);
    /* using variable */
    color: (--color-accent-primary);
    border-color: var(--color-accent-tertiary);
    box-shadow: 0 4px 15px rgba(56, 178, 172, 0.4);
}

/* Timeline Navigation */
.timeline-nav {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 2rem;
    z-index: 1000;
    padding: 1.5rem 1rem;
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(8px);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Connecting Line */
.timeline-nav::before {
    content: '';
    position: absolute;
    top: 2rem;
    bottom: 2rem;
    left: 50%;
    width: 2px;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-50%);
    z-index: -1;
}

.timeline-dot {
    width: 14px;
    height: 14px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.timeline-dot::before {
    content: attr(data-label);
    position: absolute;
    right: 35px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(37, 99, 235, 0.9);
    color: white;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    white-space: nowrap;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    pointer-events: none;
}

/* Arrow for label */
.timeline-dot::after {
    content: '';
    position: absolute;
    right: 29px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent transparent rgba(37, 99, 235, 0.9);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.timeline-dot:hover::before,
.timeline-dot:hover::after,
.timeline-dot.active::before,
.timeline-dot.active::after {
    opacity: 1;
    visibility: visible;
    right: 30px;
}

/* Adjust arrow position on hover/active */
.timeline-dot:hover::after,
.timeline-dot.active::after {
    right: 24px;
}

.timeline-dot:hover {
    background: var(--color-accent-tertiary);
    /* using variable */
    transform: scale(1.2);
    box-shadow: 0 0 15px var(--color-accent-tertiary);
}

.timeline-dot.active {
    background: var(--color-accent-tertiary);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.4);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.6);
}

/* Campus Cards (Highlights & Facilities) */
.campus-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-muted);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.campus-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent-primary);
}

.campus-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.red-title {
    color: var(--color-accent-secondary);
    /* or primary/tertiary based on preference */
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

/* Stats Cards Override/Enhancement if needed */
.card-stat {
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== CAMPUS LIFE RESPONSIVE ===== */

/* --- Tablet & Below (≤991px) --- */
@media (max-width: 991px) {
    .timeline-nav {
        display: none;
    }
}

/* --- Mobile (≤767px) --- */
@media (max-width: 767px) {
    .events-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .event-card-body {
        padding: 1.25rem;
    }

    .event-img {
        height: 180px;
    }

    .event-title {
        font-size: 1.1rem;
    }

    .event-desc {
        font-size: 0.9rem;
    }

    .event-filters {
        gap: 0.5rem;
        margin-bottom: 2rem;
    }

    .event-filter-btn {
        padding: 0.5rem 1.25rem;
        font-size: 0.85rem;
    }
}

/* --- Small Mobile (≤480px) --- */
@media (max-width: 480px) {
    .events-grid {
        gap: 1rem;
    }

    .event-img {
        height: 160px;
    }

    .event-card-body {
        padding: 1rem;
    }

    .event-title {
        font-size: 1rem;
    }

    .event-desc {
        font-size: 0.85rem;
        -webkit-line-clamp: 3;
        line-clamp: 3;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .event-badge {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
    }

    .event-filter-btn {
        padding: 0.45rem 1rem;
        font-size: 0.8rem;
    }
}