/* ================================ */
/* PAST EVENTS PAGE SPECIFIC STYLES */
/* ================================ */

/* Import shared styles */
@import url('../styles.css');

/* Past events page layout modifications */
html, body {
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

/* Ensure the animated background elements work on this page */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100vh;
    height: 100%;
    background: linear-gradient(
        45deg,
        var(--overlay-primary) 0%,
        var(--overlay-secondary) 25%,
        var(--card-bg-light) 50%,
        var(--overlay-primary) 75%,
        var(--background-dark) 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
    z-index: -10;
    pointer-events: none;
    transition: all 0.3s ease;
}

body::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100vh;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, var(--particle-1) 2px, transparent 2px),
        radial-gradient(circle at 80% 20%, var(--particle-2) 2px, transparent 2px),
        radial-gradient(circle at 40% 40%, var(--particle-1) 2px, transparent 2px),
        radial-gradient(circle at 60% 90%, var(--particle-2) 2px, transparent 2px),
        radial-gradient(circle at 90% 60%, var(--particle-1) 2px, transparent 2px);
    background-size: 
        200px 200px,
        150px 150px,
        300px 300px,
        250px 250px,
        180px 180px;
    animation: floatParticles 30s linear infinite;
    z-index: -9;
    pointer-events: none;
    opacity: 0.7;
    transition: all 0.3s ease;
}

/* Keyframes for animations */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes floatParticles {
    0% { transform: translateY(0px) translateX(0px); }
    33% { transform: translateY(-20px) translateX(10px); }
    66% { transform: translateY(-10px) translateX(-15px); }
    100% { transform: translateY(0px) translateX(0px); }
}

/* Main content area - flex-grow to push footer to bottom */
.past-events {
    padding: 8rem 2rem 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    flex: 1;
}

/* Ensure navbar doesn't interfere with flex layout */
.navbar {
    flex-shrink: 0;
}

/* Ensure footer stays at bottom and covers full width */
.footer {
    flex-shrink: 0;
    margin-top: auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

.past-events h2 {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.past-events-description {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* No Events Message */
.no-events-message {
    display: none;
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(145deg, var(--card-bg-dark), var(--card-bg-light));
    border-radius: 20px;
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-light);
    box-shadow: 
        0 8px 32px var(--background-dark),
        inset 0 1px 0 var(--border-light),
        inset 0 -1px 0 var(--background-dark);
    max-width: 600px;
    margin: 0 auto;
}

.no-events-message h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.no-events-message p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* Past Event Cards - Same styling as main events but with subtle differences */
.past-events .event-card {
    background: linear-gradient(145deg, var(--card-bg-dark), var(--card-bg-light));
    border-radius: 20px;
    padding: 2rem;
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-light);
    box-shadow: 
        0 8px 32px var(--background-dark),
        inset 0 1px 0 var(--border-light),
        inset 0 -1px 0 var(--background-dark);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    will-change: transform, box-shadow;
    opacity: 0.8; /* Slightly faded to indicate past events */
}

.past-events .event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.6s ease;
}

.past-events .event-card:hover::before {
    left: 100%;
}

.past-events .event-card:hover {
    transform: translateY(-5px) rotateX(5deg) scale(1.02);
    box-shadow: 
        0 20px 40px var(--background-dark),
        0 10px 25px var(--shadow-primary),
        inset 0 1px 0 var(--border-light),
        inset 0 -1px 0 var(--background-dark);
    border-color: var(--shadow-secondary);
    opacity: 1; /* Full opacity on hover */
    transition: all 0.2s ease-in-out;
}

/* Past event card content */
.past-events .event-card h3 {
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    text-shadow: 0 1px 3px var(--background-dark);
    font-size: 1.5rem;
}

.past-events .event-meta {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.past-events .event-description {
    color: var(--text-secondary);
    line-height: 1.6;
    opacity: 0.9;
}

/* Past event indicator */
.past-events .event-card::after {
    content: 'PAST EVENT';
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--shadow-primary);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    opacity: 0.7;
    letter-spacing: 0.5px;
}

/* Responsive Design for Past Events */
@media (max-width: 768px) {
    .past-events h2 {
        font-size: 2rem;
    }
    
    .past-events-description {
        font-size: 1rem;
    }
    
    .no-events-message {
        padding: 3rem 1.5rem;
    }
    
    .no-events-message h3 {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .past-events h2 {
        font-size: 1.75rem;
    }
    
    .past-events .event-card {
        padding: 1.5rem;
    }
    
    .past-events .event-card h3 {
        font-size: 1.25rem;
    }
}