/**
 * Glassmorphism Design System
 * Premium liquid glass UI with depth and subtle motion
 */

/* ===========================
   GLASS BASE STYLES
   =========================== */

.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

.glass-strong {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.2);
}

.glass-light {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 16px 0 rgba(31, 38, 135, 0.1);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* ===========================
   GLASS CARDS
   =========================== */

.glass-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.25);
    border-color: rgba(255, 255, 255, 0.3);
}

.glass-card:hover::before {
    left: 100%;
}

/* ===========================
   GLASS BUTTONS
   =========================== */

.glass-btn {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 12px;
    padding: 12px 30px;
    color: #fff;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(31, 38, 135, 0.2);
}

.glass-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.glass-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(31, 38, 135, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.glass-btn:hover::before {
    width: 300px;
    height: 300px;
}

.glass-btn:active {
    transform: scale(0.98);
}

.glass-btn-primary {
    background: rgba(3, 86, 163, 0.3);
    border-color: rgba(3, 86, 163, 0.5);
}

.glass-btn-primary:hover {
    background: rgba(3, 86, 163, 0.4);
    box-shadow: 0 8px 24px rgba(3, 86, 163, 0.4);
}

/* ===========================
   GLASS NAVBAR
   =========================== */

.glass-navbar {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 24px rgba(31, 38, 135, 0.1);
    transition: all 0.3s ease;
}

.glass-navbar.scrolled {
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
}

/* ===========================
   GLASS INPUTS
   =========================== */

.glass-input {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 12px 16px;
    color: #2c3e50;
    transition: all 0.3s ease;
    font-size: 15px;
}

.glass-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(3, 86, 163, 0.5);
    box-shadow: 0 0 0 3px rgba(3, 86, 163, 0.1), 0 4px 16px rgba(31, 38, 135, 0.15);
}

.glass-input::placeholder {
    color: rgba(44, 62, 80, 0.5);
}

/* ===========================
   GLASS SECTIONS
   =========================== */

.glass-section {
    position: relative;
    padding: 80px 0;
}

.glass-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(3, 86, 163, 0.05) 0%, rgba(26, 115, 232, 0.05) 100%);
    pointer-events: none;
}

.glass-container {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 40px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.12);
}

/* ===========================
   GLASS EFFECTS & UTILITIES
   =========================== */

.glass-glow {
    box-shadow: 0 0 20px rgba(3, 86, 163, 0.3), 0 8px 32px rgba(31, 38, 135, 0.15);
}

.glass-glow-hover:hover {
    box-shadow: 0 0 30px rgba(3, 86, 163, 0.4), 0 12px 40px rgba(31, 38, 135, 0.2);
}

.glass-shine {
    position: relative;
    overflow: hidden;
}

.glass-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    bottom: -50%;
    left: -50%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.05) 50%, rgba(255, 255, 255, 0) 100%);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: rotate(45deg) translateY(-100%);
    }
    100% {
        transform: rotate(45deg) translateY(100%);
    }
}

.glass-border-gradient {
    position: relative;
    border: none;
}

.glass-border-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

/* ===========================
   GLASS MODAL
   =========================== */

.glass-modal {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 16px 48px rgba(31, 38, 135, 0.25);
    padding: 40px;
}

.glass-overlay {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* ===========================
   GLASS BADGE
   =========================== */

.glass-badge {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(31, 38, 135, 0.1);
}

/* ===========================
   RESPONSIVE ADJUSTMENTS
   =========================== */

@media (max-width: 768px) {
    .glass-card {
        padding: 20px;
        border-radius: 12px;
    }
    
    .glass-container {
        padding: 25px;
        border-radius: 16px;
    }
    
    .glass-btn {
        padding: 10px 24px;
    }
}

/* ===========================
   ACCESSIBILITY
   =========================== */

.glass-card,
.glass-container,
.glass-modal {
    color: #2c3e50;
}

.glass-dark .glass-card,
.glass-dark .glass-container {
    color: #ffffff;
}

/* Ensure text contrast */
.glass-text-dark {
    color: #1a202c;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
}

.glass-text-light {
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}