/**
 * Glass Material Panels
 * ガラス素材風パネル専用スタイル
 */

/* ===== Glass Panel Base Styles ===== */
.glass-panel {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 1px 0 rgba(255, 255, 255, 0.4) inset,
        0 -1px 0 rgba(0, 0, 0, 0.05) inset;
    padding: 28px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.6) 50%, 
        transparent 100%);
    opacity: 0.8;
}

.glass-panel:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.25) 0%, 
        rgba(255, 255, 255, 0.1) 100%);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        0 1px 0 rgba(255, 255, 255, 0.5) inset,
        0 -1px 0 rgba(0, 0, 0, 0.05) inset;
    transform: translateY(-3px) scale(1.02);
    border-color: rgba(255, 255, 255, 0.3);
}

.glass-panel:hover::before {
    opacity: 1;
}