/* assets/css/style.css */
/* Custom Styles for School Portal (yourschool.edu.pk) */

:root {
    --primary-navy: #0B2545; /* Soft Dark Navy-Teal */
    --secondary-navy: #134074; /* Warm Teal Blue */
    --accent-gold: #F59E0B; /* Bright Sunny Amber */
    --accent-gold-hover: #D97706; /* Rich Orange Gold */
    --light-bg: #F4F9F8; /* Soft Pastel Cream-Mint */
    --card-bg: #FFFFFF;
    --text-muted: #475569; /* Slate Gray */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light-bg);
    color: var(--primary-navy);
    -webkit-font-smoothing: antialiased;
    font-size: 1.05rem; /* Larger base font size for readability */
}

/* Typography Customizations */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--primary-navy);
}

.tracking-tight {
    letter-spacing: -0.03em;
}

/* Color Helpers */
.bg-dark-navy {
    background-color: var(--primary-navy) !important;
}

.text-gold {
    color: var(--accent-gold) !important;
}

.text-light-muted {
    color: #CBD5E1 !important; /* Slate 300 */
}

.text-muted-custom {
    color: #94A3B8 !important; /* Slate 400 */
}

/* Buttons */
.btn-gold {
    background-color: var(--accent-gold);
    color: #FFFFFF !important;
    border: none;
}

.btn-gold:hover {
    background-color: var(--accent-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
}

.btn-outline-gold {
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold);
    background: transparent;
}

.btn-outline-gold:hover {
    background-color: var(--accent-gold);
    color: #FFFFFF !important;
    transform: translateY(-2px);
}

.transition-all {
    transition: var(--transition-smooth);
}

/* Navbar Customizations */
.navbar-dark .navbar-nav .nav-link {
    color: #CBD5E1; /* Slate 300 */
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    position: relative;
    padding: 0.5rem 1rem !important;
    transition: var(--transition-smooth);
}

.navbar-dark .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background-color: var(--accent-gold);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.navbar-dark .navbar-nav .nav-link:hover::after,
.navbar-dark .navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: #FFFFFF !important;
}

/* Mobile Navbar alignment */
@media (max-width: 767.98px) {
    .navbar-nav {
        align-items: stretch !important;
        width: 100%;
        padding-top: 1rem;
        gap: 0.5rem;
    }
    .navbar-nav .nav-item {
        text-align: center;
    }
    .navbar-nav .nav-item.ms-lg-2 {
        margin-left: 0 !important;
    }
}

/* Footer link hovers */
.hover-gold:hover {
    color: var(--accent-gold) !important;
    transition: var(--transition-smooth);
}

/* Cards & Elements */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.12);
}

/* Hero Gradient */
.hero-gradient {
    background: radial-gradient(circle at 10% 20%, rgba(30, 41, 59, 0.95) 0%, rgba(15, 17, 42, 1) 90%), url('../images/hero-bg-dummy.jpg');
    background-size: cover;
    background-position: center;
    color: #FFFFFF;
}

/* Custom Alert Badges */
.badge-gold {
    background-color: rgba(217, 119, 6, 0.15);
    color: var(--accent-gold);
    font-weight: 600;
    padding: 0.5em 1em;
    border-radius: 9999px;
}

/* Admin Dashboard layout tweaks */
.admin-sidebar {
    min-height: 100vh;
    background-color: var(--secondary-navy);
}

.admin-sidebar .nav-link {
    color: #94A3B8;
    border-radius: 8px;
    margin: 4px 16px;
    padding: 10px 16px;
    transition: var(--transition-smooth);
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--accent-gold);
}

/* ==========================================
   Visual Timeline Components
   ========================================== */
.timeline-container {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 2rem;
    border-left: 3px dashed var(--accent-gold);
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}

.timeline-badge {
    position: absolute;
    left: -3.75rem;
    top: 2px;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    background-color: var(--accent-gold);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 3px solid #FFFFFF;
    box-shadow: 0 4px 8px rgba(0,0,0,0.08);
    font-size: 0.9rem;
}

.timeline-content {
    background: var(--card-bg);
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.02);
}

/* ==========================================
   Photo Gallery & Lightbox Overlay
   ========================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.03);
    border: 1px solid rgba(226, 232, 240, 0.6);
    background: #FFFFFF;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.06);
}

.gallery-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-img {
    transform: scale(1.03);
}

.gallery-info {
    padding: 1rem;
}

.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 37, 69, 0.96);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
    display: flex;
    opacity: 1;
}

.lightbox-container {
    position: relative;
    max-width: 90%;
    max-height: 85%;
    text-align: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 75vh;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    border: 4px solid #FFFFFF;
}

.lightbox-caption {
    color: #FFFFFF;
    margin-top: 1rem;
    font-size: 1.05rem;
    font-weight: 500;
}

.lightbox-close {
    position: absolute;
    top: -45px;
    right: 0;
    color: #FFFFFF;
    font-size: 2.2rem;
    cursor: pointer;
    background: none;
    border: none;
    outline: none;
    transition: var(--transition-smooth);
}

.lightbox-close:hover {
    color: var(--accent-gold);
    transform: scale(1.1);
}