@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    /* Coral Wave Palette */
    --coral-light: #FCEDD8;
    --coral-yellow: #FFD464;
    --coral-orange: #FF5E5E;
    --coral-pink: #E23C64;
    --coral-deep: #B0183D;
    
    /* Deep Space Palette */
    --space-dark: #112C70;
    --space-purple: #5B58EB;
    --space-magenta: #BB63FF;
    --space-cyan: #56E1E9;
    --space-navy: #0A2353;
    
    /* Light Mode Colors */
    --bg-primary: #fafbfc;
    --bg-secondary: #ffffff;
    --text-primary: #1a1d29;
    --text-secondary: #6b7280;
    --border-color: rgba(107, 166, 84, 0.1);
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    
    /* Accent Colors */
    --accent-primary: var(--space-purple);
    --accent-secondary: var(--coral-pink);
    --accent-gradient: linear-gradient(135deg, var(--space-purple), var(--coral-pink));
    
    /* Spacing */
    --container-padding: 2rem;
    --section-gap: 4rem;
    --card-gap: 1.5rem;
}

[data-theme="dark"],
body.dark-mode {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d29;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(26, 29, 41, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

p {
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-gradient);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--coral-orange), var(--space-cyan));
    bottom: -150px;
    right: -150px;
    animation-delay: 7s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--space-magenta), var(--coral-yellow));
    top: 50%;
    right: 10%;
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* Glass Morphism Effect */
.glass-card,
.glass-header,
.glass-nav,
.glass-btn,
.glass-dropdown,
.glass-footer {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
}

/* Header */
.glass-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.header-left {
    flex: 0 0 auto;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 12px;
    padding: 8px;
    background: var(--accent-gradient);
}

.logo-text h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Search Container */
.header-center {
    flex: 1;
    max-width: 600px;
}

.search-container {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1rem;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 1rem 3.5rem 1rem 3.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border);
    border-radius: 16px;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(91, 88, 235, 0.1);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-clear {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.search-clear:hover {
    background: var(--glass-border);
    color: var(--text-primary);
}

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--glass-shadow);
    background: var(--accent-gradient);
    color: white;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
}

.user-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--glass-shadow);
    background: var(--accent-gradient);
    color: white;
}

/* Navigation */
.glass-nav {
    position: sticky;
    top: 88px;
    z-index: 99;
    margin: 1rem auto;
    max-width: 1400px;
    border-radius: 16px;
    padding: 0.5rem 1rem;
}

.nav-items {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    list-style: none;
    flex-wrap: wrap;
}

.nav-item {
    position: relative;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item a i:first-child {
    font-size: 1.1rem;
}

.nav-item:hover a,
.nav-item.active a {
    background: var(--glass-bg);
    box-shadow: 0 4px 12px var(--glass-shadow);
}

.nav-item.active a {
    background: var(--accent-gradient);
    color: white;
}

.dropdown-icon {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.nav-item.dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    min-width: 250px;
    border-radius: 16px;
    padding: 0.75rem;
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    z-index: 1000;
}

.nav-item.dropdown:hover .dropdown-menu {
    display: flex;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: var(--accent-gradient);
    color: white;
    transform: translateX(5px);
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Featured Banner */
.featured-banner {
    border-radius: 24px;
    padding: 3rem;
    margin-bottom: var(--section-gap);
    background: var(--accent-gradient);
    position: relative;
    overflow: hidden;
}

.featured-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    filter: blur(60px);
}

.banner-content {
    position: relative;
    z-index: 1;
}

.banner-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.banner-content h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.banner-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Content Sections */
.content-section {
    margin-bottom: var(--section-gap);
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 2rem;
    gap: 2rem;
}

.section-title-group {
    flex: 1;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title i {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.see-more-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
}

.see-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--glass-shadow);
    background: var(--accent-gradient);
    color: white;
}

.see-more-btn i {
    transition: transform 0.3s ease;
}

.see-more-btn:hover i {
    transform: translateX(5px);
}

/* Grids */
.news-grid,
.achievements-grid,
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--card-gap);
}

/* Cards */
.news-card,
.achievement-card,
.event-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.news-card::before,
.achievement-card::before,
.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.news-card:hover,
.achievement-card:hover,
.event-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--glass-shadow);
}

.news-card:hover::before,
.achievement-card:hover::before,
.event-card:hover::before {
    transform: scaleX(1);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-category {
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--accent-gradient);
    color: white;
}

.card-date {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.card-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.card-read-more {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.news-card:hover .card-read-more,
.achievement-card:hover .card-read-more,
.event-card:hover .card-read-more {
    gap: 0.75rem;
}

/* Loading State */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--glass-border);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

.loading-container p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer */
.glass-footer {
    margin-top: var(--section-gap);
    border-radius: 24px 24px 0 0;
    padding: 3rem var(--container-padding);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.footer-section p,
.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-primary);
}

.footer-section i {
    margin-right: 0.5rem;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .header-center {
        order: 3;
        flex: 1 1 100%;
    }
    
    .glass-nav {
        top: 140px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --section-gap: 2.5rem;
    }
    
    .logo-text h1 {
        font-size: 1.25rem;
    }
    
    .logo-text p {
        display: none;
    }
    
    .nav-items {
        gap: 0.25rem;
    }
    
    .nav-item a span {
        display: none;
    }
    
    .nav-item a {
        padding: 0.75rem;
    }
    
    .featured-banner {
        padding: 2rem;
    }
    
    .banner-content h2 {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .news-grid,
    .achievements-grid,
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    .dropdown-menu {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        min-width: 100%;
        border-radius: 24px 24px 0 0;
        max-height: 70vh;
        overflow-y: auto;
    }
}

@media (max-width: 480px) {
    .user-btn span {
        display: none;
    }
    
    .see-more-btn span {
        display: none;
    }
}