/* ============================================================
   UFUQ Quran LMS - Glassmorphism Effects
   Green-palette glass UI components and animations
   ============================================================ */

/* ----- Glass Panel ----- */
.glass-panel {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg, 20px);
    box-shadow:
        0 8px 32px rgba(27, 107, 74, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: var(--transition, all 0.3s cubic-bezier(0.4, 0, 0.2, 1));
}

.glass-panel:hover {
    box-shadow:
        0 12px 48px rgba(27, 107, 74, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.glass-panel-dark {
    background: rgba(13, 74, 50, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(200, 169, 97, 0.15);
    border-radius: var(--radius-lg, 20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    color: #ffffff;
}

/* ----- Glass Card ----- */
.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius, 12px);
    box-shadow: 0 4px 24px rgba(27, 107, 74, 0.06);
    transition: var(--transition, all 0.3s cubic-bezier(0.4, 0, 0.2, 1));
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #1B6B4A, #2E8B65, #C8A961);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.glass-card:hover {
    box-shadow: 0 12px 40px rgba(27, 107, 74, 0.12);
}

.glass-card.lift:hover {
    transform: translateY(-4px);
}

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

.glass-card .card-body {
    position: relative;
    z-index: 1;
}

/* ----- Glass Navbar ----- */
.glass-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(27, 107, 74, 0.08);
    box-shadow: 0 1px 12px rgba(27, 107, 74, 0.06);
    transition: var(--transition, all 0.3s ease);
    padding: 0.5rem 1.5rem;
}

.glass-navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(27, 107, 74, 0.1);
}

.glass-navbar .nav-link {
    color: var(--text-primary, #1a1a2e);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition, all 0.3s ease);
}

.glass-navbar .nav-link:hover {
    background: rgba(27, 107, 74, 0.06);
    color: var(--primary, #1B6B4A);
}

.glass-navbar .nav-link.active {
    background: rgba(27, 107, 74, 0.1);
    color: var(--primary, #1B6B4A);
}

/* ----- Stat Card Glass ----- */
.stat-card-glass {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius, 12px);
    padding: 1.5rem;
    box-shadow: 0 4px 24px rgba(27, 107, 74, 0.06);
    transition: var(--transition, all 0.3s ease);
    position: relative;
    overflow: hidden;
}

.stat-card-glass:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 36px rgba(27, 107, 74, 0.1);
}

.stat-card-glass .stat-icon-circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #ffffff;
    background: linear-gradient(135deg, #1B6B4A 0%, #2E8B65 100%);
    box-shadow: 0 4px 16px rgba(27, 107, 74, 0.3);
    flex-shrink: 0;
}

.stat-card-glass .stat-icon-circle.gold {
    background: linear-gradient(135deg, #C8A961 0%, #D4BC7E 100%);
    box-shadow: 0 4px 16px rgba(200, 169, 97, 0.3);
}

.stat-card-glass .stat-icon-circle.teal {
    background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
    box-shadow: 0 4px 16px rgba(13, 148, 136, 0.3);
}

.stat-card-glass .stat-value {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text-primary, #1a1a2e);
    line-height: 1.1;
}

.stat-card-glass .stat-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* ----- Glass Dropdown ----- */
.glass-dropdown {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius, 12px);
    box-shadow: 0 12px 40px rgba(27, 107, 74, 0.12);
    padding: 0.5rem;
    animation: fadeIn 0.2s ease-out;
}

.glass-dropdown .dropdown-item {
    border-radius: 8px;
    padding: 0.55rem 1rem;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition, all 0.2s ease);
}

.glass-dropdown .dropdown-item:hover {
    background: rgba(27, 107, 74, 0.06);
    color: var(--primary, #1B6B4A);
}

/* ----- Glass Modal ----- */
.glass-modal .modal-content {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg, 20px);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.15);
}

.glass-modal .modal-header {
    border-bottom: 1px solid rgba(27, 107, 74, 0.08);
}

.glass-modal .modal-footer {
    border-top: 1px solid rgba(27, 107, 74, 0.08);
}

/* ----- Glass Tooltip ----- */
.glass-tooltip {
    background: rgba(13, 74, 50, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #ffffff;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 500;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* ----- Glow Effects ----- */
.glow-green {
    box-shadow:
        0 0 15px rgba(27, 107, 74, 0.15),
        0 0 45px rgba(27, 107, 74, 0.08);
}

.glow-green:hover {
    box-shadow:
        0 0 20px rgba(27, 107, 74, 0.25),
        0 0 60px rgba(27, 107, 74, 0.12);
}

.glow-gold {
    box-shadow:
        0 0 15px rgba(200, 169, 97, 0.2),
        0 0 45px rgba(200, 169, 97, 0.1);
}

/* ----- Animations ----- */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(0.97);
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 0.5;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(24px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

/* ----- Animation Utilities ----- */
.animate-fade-in {
    animation: fadeIn 0.4s ease-out both;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-out both;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease-out both;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ----- Skeleton Loading ----- */
.skeleton-loading {
    background: linear-gradient(
        90deg,
        rgba(27, 107, 74, 0.05) 0%,
        rgba(27, 107, 74, 0.1) 40%,
        rgba(27, 107, 74, 0.05) 80%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: 6px;
}

.skeleton-loading.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
    width: 100%;
}

.skeleton-loading.skeleton-text-short {
    height: 14px;
    margin-bottom: 8px;
    width: 60%;
}

.skeleton-loading.skeleton-heading {
    height: 24px;
    margin-bottom: 12px;
    width: 45%;
}

.skeleton-loading.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-loading.skeleton-card {
    height: 160px;
    border-radius: var(--radius, 12px);
}

/* ----- Ripple Button Effect ----- */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple .ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

/* ----- Glass Input ----- */
.glass-input {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1.5px solid rgba(27, 107, 74, 0.12);
    border-radius: var(--radius-sm, 8px);
    padding: 0.65rem 1rem;
    color: var(--text-primary, #1a1a2e);
    transition: var(--transition, all 0.3s ease);
}

.glass-input:focus {
    background: rgba(255, 255, 255, 0.85);
    border-color: var(--primary, #1B6B4A);
    box-shadow: 0 0 0 3px rgba(27, 107, 74, 0.1);
    outline: none;
}

/* ----- Glass Badge ----- */
.glass-badge {
    background: rgba(27, 107, 74, 0.1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: var(--primary, #1B6B4A);
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.3em 0.7em;
    border-radius: 6px;
    border: 1px solid rgba(27, 107, 74, 0.08);
}

.glass-badge.gold {
    background: rgba(200, 169, 97, 0.12);
    color: #8a6d1b;
    border-color: rgba(200, 169, 97, 0.15);
}