/* ===== GLASSMORPHISM EFFECTS ===== */

/* Advanced glass card variations */
.glass-card-light {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    box-shadow: 
        0 8px 32px rgba(31, 38, 135, 0.37),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.glass-card-dark {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-card-primary {
    background: rgba(0, 191, 166, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 191, 166, 0.3);
    border-radius: 16px;
    box-shadow: 
        0 8px 32px rgba(0, 191, 166, 0.2),
        inset 0 1px 0 rgba(0, 191, 166, 0.4);
}

/* Glass navigation variants */
.glass-nav {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.glass-nav-solid {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Glass button variations */
.glass-btn-primary {
    background: linear-gradient(135deg, 
        rgba(0, 191, 166, 0.8) 0%, 
        rgba(0, 212, 184, 0.8) 100%);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 191, 166, 0.5);
    color: white;
    box-shadow: 
        0 8px 25px rgba(0, 191, 166, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.glass-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    box-shadow: 
        0 4px 15px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.glass-btn-accent {
    background: linear-gradient(135deg, 
        rgba(255, 215, 0, 0.8) 0%, 
        rgba(255, 193, 7, 0.8) 100%);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 215, 0, 0.5);
    color: var(--text-dark);
    box-shadow: 
        0 8px 25px rgba(255, 215, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* Glass input fields */
.glass-input {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.glass-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.glass-input:focus {
    border-color: var(--primary-color);
    box-shadow: 
        0 0 0 3px rgba(0, 191, 166, 0.1),
        0 4px 15px rgba(0, 191, 166, 0.2);
}

/* Glass modal */
.glass-modal {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Glass overlay */
.glass-overlay {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Glass sidebar */
.glass-sidebar {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.1);
}

/* Glass tabs */
.glass-tab {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    transition: var(--transition);
}

.glass-tab.active {
    background: rgba(0, 191, 166, 0.2);
    border-color: rgba(0, 191, 166, 0.4);
    box-shadow: 
        0 4px 15px rgba(0, 191, 166, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Glass tooltip */
.glass-tooltip {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    padding: 8px 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Glass progress bar */
.glass-progress {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    overflow: hidden;
    height: 8px;
}

.glass-progress-fill {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    height: 100%;
    border-radius: 10px;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 191, 166, 0.5);
}

/* Glass badge */
.glass-badge {
    background: rgba(255, 215, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, 0.5);
    border-radius: 20px;
    color: var(--text-dark);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

/* Glass notification */
.glass-notification {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.glass-notification.success {
    border-color: rgba(76, 175, 80, 0.4);
    background: rgba(76, 175, 80, 0.1);
}

.glass-notification.error {
    border-color: rgba(244, 67, 54, 0.4);
    background: rgba(244, 67, 54, 0.1);
}

.glass-notification.warning {
    border-color: rgba(255, 193, 7, 0.4);
    background: rgba(255, 193, 7, 0.1);
}

/* Glass card stack effect */
.glass-card-stack {
    position: relative;
}

.glass-card-stack::before,
.glass-card-stack::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: inherit;
    z-index: -1;
}

.glass-card-stack::before {
    top: 4px;
    left: 4px;
    right: -4px;
    bottom: -4px;
}

.glass-card-stack::after {
    top: 8px;
    left: 8px;
    right: -8px;
    bottom: -8px;
    opacity: 0.5;
}

/* Frosted glass effect */
.frosted-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(40px) saturate(150%);
    -webkit-backdrop-filter: blur(40px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    box-shadow: 
        0 8px 32px rgba(31, 38, 135, 0.37),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Animated glass shimmer effect */
.glass-shimmer {
    position: relative;
    overflow: hidden;
}

.glass-shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Glass morphing on hover */
.glass-morph {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-morph:hover {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 
        0 15px 35px rgba(31, 38, 135, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* Glass reflection effect */
.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, 0.1) 0%,
        transparent 100%
    );
    border-radius: inherit;
    pointer-events: none;
}

/* Responsive glass effects */
@media (max-width: 768px) {
    .glass-card {
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
    }
    
    .glass-nav {
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
    
    .glass-modal {
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .glass-shimmer::before {
        animation: none;
    }
    
    .glass-morph {
        transition: none;
    }
    
    .glass-card {
        transition: box-shadow 0.2s ease;
    }
}