/* Music Fest Popup CSS */
:root {
    --mf-dark: #0a0a0a;
    --mf-burnt-orange: #d95c14;
    --mf-warm-golden: #f2a65a;
    --mf-light: #fefefe;
    --mf-shadow: rgba(217, 92, 20, 0.4);
}

.mf-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    padding: 20px;
    box-sizing: border-box;
}

.mf-popup-overlay.mf-show {
    opacity: 1;
    visibility: visible;
}

.mf-popup-container {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: linear-gradient(135deg, #111 0%, #000 100%);
    border-radius: 20px;
    border: 2px solid var(--mf-warm-golden);
    box-shadow: 0 0 40px var(--mf-shadow), inset 0 0 20px rgba(242, 166, 90, 0.1);
    transform: scale(0.92);
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.6s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.mf-popup-overlay.mf-show .mf-popup-container {
    transform: scale(1);
    opacity: 1;
    animation: mfBorderGlow 3s infinite alternate;
}

@keyframes mfBorderGlow {
    0% {
        box-shadow: 0 0 30px rgba(217, 92, 20, 0.3), inset 0 0 15px rgba(242, 166, 90, 0.1);
    }
    100% {
        box-shadow: 0 0 60px rgba(217, 92, 20, 0.6), inset 0 0 30px rgba(242, 166, 90, 0.2);
    }
}

.mf-popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background-color: var(--mf-light);
    color: #000;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.mf-popup-close:hover {
    transform: scale(1.1) rotate(90deg);
    background-color: var(--mf-warm-golden);
}

.mf-popup-poster {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    display: block;
    border-radius: 18px; /* Slightly less than container to fit inside border */
}

/* Particles & Sparks Effect from Corners */
.mf-fireworks {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.mf-spark {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--mf-warm-golden);
    box-shadow: 0 0 15px 4px var(--mf-burnt-orange), 0 0 5px 2px #fff;
    opacity: 0;
}

/* Unified Animation */
@keyframes sparkAnim {
    0% { transform: translate(0, 0) scale(0); opacity: 0; }
    10% { opacity: 1; transform: translate(calc(var(--end-x) * 0.1), calc(var(--end-y) * 0.1)) scale(1.5); }
    80% { opacity: 1; }
    100% { transform: translate(var(--end-x), var(--end-y)) scale(0); opacity: 0; }
}