/* Components */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.juz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.juz-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 1.25rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 155px;
}

.juz-badge-num {
    display: inline-block;
    background: linear-gradient(135deg, var(--gold-dim), rgba(212, 168, 83, 0.05));
    color: var(--gold);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 0.25rem 0.85rem;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.juz-surah-detail {
    font-size: 0.88rem;
    color: var(--text-primary);
    line-height: 1.4;
    margin: 0.5rem 0;
    font-weight: 500;
}

.juz-claimed-by {
    font-size: 0.78rem;
    margin-top: 0.4rem;
    color: var(--text-secondary);
    background: rgba(0,0,0,0.25);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
}

.juz-card.tersedia:hover {
    border-color: var(--green);
    box-shadow: 0 0 20px var(--green-dim);
    transform: translateY(-4px);
}

.juz-card.diambil {
    background: rgba(231, 76, 60, 0.05);
    border-color: rgba(231, 76, 60, 0.2);
    cursor: not-allowed;
    opacity: 0.75;
}

.juz-card.selected {
    border-color: var(--gold);
    box-shadow: 0 0 22px var(--gold-dim);
    background: rgba(212, 168, 83, 0.12);
}

.juz-card.selesai {
    background: rgba(46, 204, 113, 0.1);
    border-color: var(--green);
}

.timer-display {
    font-family: monospace;
    font-size: 3rem;
    color: var(--gold);
    text-shadow: 0 0 10px var(--gold-dim);
    text-align: center;
    margin: 1.5rem 0;
    letter-spacing: 2px;
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-darker);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    border-radius: 4px;
    transition: width 0.5s ease;
}

.otp-container {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 2rem 0;
}

.otp-input {
    width: 50px;
    height: 60px;
    font-size: 2rem;
    text-align: center;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--gold);
}

.otp-input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 10px var(--gold-dim);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge.tersedia { background: rgba(52, 152, 219, 0.15); color: #3498db; border: 1px solid rgba(52, 152, 219, 0.4); }
.badge.diambil, .badge.proses, .badge.sedang-baca { background: rgba(243, 156, 18, 0.18); color: #f39c12; border: 1px solid rgba(243, 156, 18, 0.45); }
.badge.selesai { background: rgba(46, 204, 113, 0.18); color: #2ecc71; border: 1px solid rgba(46, 204, 113, 0.45); }

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    font-size: 2rem;
}

.stat-info h3 {
    font-size: 2rem;
    margin: 0;
    color: var(--gold);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.admin-table th, .admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.admin-table th {
    color: var(--text-secondary);
    font-weight: 600;
    background: rgba(255,255,255,0.02);
}

.admin-table tr:hover {
    background: rgba(255,255,255,0.02);
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 1000;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
    transform: translateX(0);
}

.toast.success { border-left: 4px solid var(--green); }
.toast.error { border-left: 4px solid var(--red); }
.toast.info { border-left: 4px solid var(--gold); }

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(212, 168, 83, 0.3);
    border-radius: 50%;
    border-top-color: var(--gold);
    animation: spin 1s ease-in-out infinite;
}

/* Header & Navigation Bar */
.navbar {
    background: rgba(8, 14, 28, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gold);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.4rem 0.85rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--gold);
    background: rgba(212, 168, 83, 0.12);
    border: 1px solid rgba(212, 168, 83, 0.25);
}

/* Custom In-App Modal Dialogs */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(4, 7, 16, 0.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2500;
    padding: 1rem;
}

.modal-card {
    background: #0b1220;
    border: 1px solid var(--glass-border-hover);
    border-radius: 18px;
    padding: 1.75rem;
    max-width: 460px;
    width: 100%;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px var(--gold-dim);
}

.modal-card h3 {
    color: var(--gold);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.modal-input {
    width: 100%;
    padding: 0.85rem 1rem;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    margin-top: 0.75rem;
}

.modal-input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 15px var(--gold-dim);
}