/* Music Player & Visualizer Styles */

.music-player-container {
    position: relative;
    overflow: hidden;
}

#music-visualizer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 80px;
    gap: 2px;
    padding: 0 10px;
}

.visualizer-bar {
    flex: 1;
    min-width: 2px;
    background: linear-gradient(to top, rgba(64, 224, 208, 0.8), rgba(255, 215, 0, 0.6));
    border-radius: 2px 2px 0 0;
    transition: height 0.1s ease-out;
}

.music-progress-container {
    position: relative;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
}

.music-progress-container:hover {
    height: 8px;
    background: rgba(255, 255, 255, 0.15);
}

.music-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #40E0D0, #FFD700);
    border-radius: 3px;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px rgba(64, 224, 208, 0.5);
}

#music-play-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#music-play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(64, 224, 208, 0.4);
}

#music-play-btn:active {
    transform: scale(0.95);
}

/* Guest Book Styles */

#guestbook-messages {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 500px;
    overflow-y: auto;
    padding-right: 8px;
}

#guestbook-messages::-webkit-scrollbar {
    width: 6px;
}

#guestbook-messages::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

#guestbook-messages::-webkit-scrollbar-thumb {
    background: rgba(64, 224, 208, 0.3);
    border-radius: 3px;
}

#guestbook-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(64, 224, 208, 0.5);
}

.guestbook-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 14px 18px;
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
}

.guestbook-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(64, 224, 208, 0.5);
    box-shadow: 0 0 0 3px rgba(64, 224, 208, 0.1);
}

.guestbook-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* Bento Grid Layout */

.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.bento-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.bento-card:hover {
    transform: translateY(-4px);
    border-color: rgba(64, 224, 208, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(64, 224, 208, 0.1);
}

.bento-card-large {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .bento-card-large {
        grid-column: span 1;
    }
}