/* ========================================
   Glassmorphism Effects - 아신요신
   ======================================== */

/* Glass Effect Base */
.glass-effect {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-effect:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

/* Dark Theme Glass Effect */
body.dark-theme .glass-effect {
    background: rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-theme .glass-effect:hover {
    background: rgba(0, 0, 0, 0.35);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Glass Card Variants */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(196, 86, 61, 0.2);
}

/* Featured Glass Card */
.glass-card.featured {
    background: rgba(196, 86, 61, 0.15);
    border-color: rgba(196, 86, 61, 0.3);
}

.glass-card.featured:hover {
    background: rgba(196, 86, 61, 0.25);
    box-shadow: 0 20px 60px rgba(196, 86, 61, 0.3);
}

/* Glass Button */
.glass-btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    color: #fff;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* Glass Input */
.glass-input {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    color: #333;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.glass-input:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(196, 86, 61, 0.5);
    outline: none;
    box-shadow: 0 0 0 4px rgba(196, 86, 61, 0.1);
}

body.dark-theme .glass-input {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

/* Glass Badge */
.glass-badge {
    background: rgba(196, 86, 61, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(196, 86, 61, 0.3);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #C4563D;
}

/* Glass Navigation */
.glass-nav {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-theme .glass-nav {
    background: rgba(0, 0, 0, 0.3);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

/* Frosted Glass Effect */
.frosted-glass {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
}

/* Gradient Glass Overlay */
.gradient-glass {
    background: linear-gradient(
        135deg,
        rgba(196, 86, 61, 0.2) 0%,
        rgba(196, 86, 61, 0.05) 100%
    );
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(196, 86, 61, 0.2);
    border-radius: 20px;
}

/* Light Leak Effect */
.light-leak {
    position: relative;
    overflow: hidden;
}

.light-leak::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 70%
    );
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Glass Reflection */
.glass-reflection {
    position: relative;
}

.glass-reflection::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.3) 0%,
        transparent 100%
    );
    border-radius: inherit;
    pointer-events: none;
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 3s infinite;
}

/* Glass Border Animation */
@keyframes border-flow {
    0%, 100% {
        border-color: rgba(196, 86, 61, 0.3);
    }
    50% {
        border-color: rgba(196, 86, 61, 0.6);
    }
}

.glass-border-animate {
    animation: border-flow 3s ease-in-out infinite;
}

/* Blur Layers */
.blur-layer-light {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.blur-layer-medium {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.blur-layer-heavy {
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
}

/* Glass Panel */
.glass-panel {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Glass Modal */
.glass-modal {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* Neon Glass Effect */
.neon-glass {
    background: rgba(196, 86, 61, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(196, 86, 61, 0.3);
    box-shadow: 
        0 0 20px rgba(196, 86, 61, 0.2),
        inset 0 0 20px rgba(196, 86, 61, 0.1);
    border-radius: 16px;
}

.neon-glass:hover {
    box-shadow: 
        0 0 30px rgba(196, 86, 61, 0.4),
        inset 0 0 30px rgba(196, 86, 61, 0.2);
}

/* Utility Classes */
.glass-rounded-sm { border-radius: 8px; }
.glass-rounded-md { border-radius: 16px; }
.glass-rounded-lg { border-radius: 24px; }
.glass-rounded-xl { border-radius: 32px; }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .glass-effect,
    .glass-card,
    .glass-panel {
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
    }
}

/* Safari Fallback */
@supports not (backdrop-filter: blur(10px)) {
    .glass-effect,
    .glass-card,
    .glass-btn,
    .glass-input,
    .glass-panel {
        background: rgba(255, 255, 255, 0.9);
    }
    
    body.dark-theme .glass-effect,
    body.dark-theme .glass-card,
    body.dark-theme .glass-panel {
        background: rgba(30, 30, 30, 0.9);
    }
}