/* 
 * Tik Tk Glassmorphism System v2.0
 * A complete standalone module for high-end glass design patterns.
 */

:root {
    /* Deep Glass Presets */
    --glass-surface: rgba(15, 23, 42, 0.4);
    --glass-surface-heavy: rgba(15, 23, 42, 0.7);
    --glass-surface-light: rgba(255, 255, 255, 0.05);
    
    --glass-blur: blur(24px) saturate(180%);
    --glass-blur-heavy: blur(45px) saturate(210%);
    --glass-blur-ultra: blur(80px) saturate(250%);

    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-bright: rgba(255, 255, 255, 0.25);
    
    --glass-inner-glow: inset 0 0 1px 1px rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

/* Base Glass Class */
.glass {
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15), var(--glass-inner-glow);
    position: relative;
    overflow: hidden;
}

/* Crystal Glow Card - The Flagship Glass Component */
.glass-card {
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 3rem;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: var(--glass-shadow), var(--glass-inner-glow);
    position: relative;
    overflow: hidden;
}

.glass-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

.glass-card:hover {
    transform: translateY(-12px) scale(1.01);
    border-color: var(--glass-border-bright);
    background: rgba(15, 23, 42, 0.5);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5), var(--glass-inner-glow);
}

/* Heavy Frost */
.glass-heavy {
    background: var(--glass-surface-heavy);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
}

/* Interactive Shine Overlay */
.glass-shine {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(255, 255, 255, 0.15) 0%, 
                transparent 60%);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
    mix-blend-mode: overlay;
}

.glass-card:hover .glass-shine {
    opacity: 1;
}

/* Glass Inputs */
.glass-input {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.1rem 1.4rem;
    color: white;
    font-family: inherit;
    transition: all 0.3s ease;
    box-shadow: var(--glass-inner-glow);
}

.glass-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary, #6366f1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2), var(--glass-inner-glow);
    transform: scale(1.02);
}

/* Glass Buttons */
.glass-btn {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.glass-btn:active {
    transform: scale(0.95);
}

/* Glass List Items */
.glass-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 1.2rem;
    border-radius: 18px;
    transition: all 0.3s ease;
}

.glass-item:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateX(-5px);
}

/* Glass Floating Blobs - For prominent depth */
.glass-blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(60px);
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
    animation: blob-float 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes blob-float {
    0% { transform: translate(0, 0) rotate(0deg) scale(1); }
    100% { transform: translate(100px, 50px) rotate(90deg) scale(1.2); }
}

/* Glass Typography */
.glass-text {
    background: linear-gradient(to bottom, #fff, rgba(255,255,255,0.7));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 10px rgba(0,0,0,0.2);
}