/* Glassmorphism Design System - Mukua (Premium B&W Edition) */

:root {
    --glass-bg: rgba(0, 0, 0, 0.45);
    --glass-bg-hover: rgba(0, 0, 0, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(255, 255, 255, 0.2);
    --glass-blur: blur(25px);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.7);
    
    /* Light Variation */
    --glass-white: rgba(255, 255, 255, 0.05);
    --glass-white-border: rgba(255, 255, 255, 0.1);
    
    /* Core colors */
    --accent-white: #ffffff;
    --font-size-base: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
}

a { text-decoration: none !important; }

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 24px;
}

.glass-card {
    background: var(--glass-white);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-white-border);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

/* Base Glass Effect for Elements */
.vertical-card,
.horizontal-card {
    background: var(--glass-bg) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    backdrop-filter: var(--glass-blur) !important;
    border: 1px solid var(--glass-border) !important;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
    border-radius: 16px !important;
}

.vertical-card:hover,
.horizontal-card:hover {
    background: var(--glass-bg-hover) !important;
    border-color: var(--glass-border-hover) !important;
    transform: translateY(-8px) !important;
    box-shadow: 0 15px 45px rgba(0,0,0,0.5) !important;
}

/* Animations */
@keyframes fadeInBlur {
    from { opacity: 0; filter: blur(10px); transform: scale(0.95); }
    to { opacity: 1; filter: blur(0); transform: scale(1); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in { animation: fadeInBlur 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-slide-up { animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

/* Premium Glassmorphism Buttons */
.btn-premium {
    background: rgba(255, 255, 255, 0.1) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #fff !important;
    padding: 10px 24px !important;
    border-radius: 50px !important;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-premium:hover {
    transform: translateY(-3px);
    background: #fff !important;
    border-color: #fff !important;
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
    color: #000 !important;
    text-decoration: none;
}

.btn-premium i { font-size: 1.1em; }

/* Shimmer Effect */
.btn-premium::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(to right,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.2) 50%,
            rgba(255, 255, 255, 0) 100%);
    transform: skewX(-25deg);
    animation: shimmer-btn 6s infinite;
    pointer-events: none !important;
}

@keyframes shimmer-btn {
    0% { left: -150%; }
    70% { left: 150%; }
    100% { left: 150%; }
}

.btn-premium-sm {
    padding: 8px 20px !important;
    font-size: 0.85rem !important;
}

/* Glass Inputs */
.glass-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 12px;
    padding: 12px 18px;
    transition: all 0.3s;
    outline: none;
}

.glass-input:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
}