:root { --primary: #0d6efd; --bg: #f4f6f9; }
body { background-color: var(--bg); font-family: 'Segoe UI', sans-serif; font-size: 0.95rem; user-select: none; touch-action: pan-y; } 
.sidebar { width: 250px; background: #2c3e50; color: white; min-height: 100vh; position: fixed; z-index: 1000; transition: 0.3s; }
.sidebar .nav-link { color: #bdc3c7; padding: 12px 20px; }
.sidebar .nav-link.active, .sidebar .nav-link:hover { color: white; background: rgba(255,255,255,0.1); }
.main-content { margin-left: 250px; padding: 20px; }
@media (max-width: 768px) { .sidebar { transform: translateX(-100%); } .sidebar.show { transform: translateX(0); } .main-content { margin-left: 0; } }
.card { border: none; box-shadow: 0 4px 12px rgba(0,0,0,0.05); border-radius: 12px; }
.question-box { background: white; padding: 20px; border-radius: 8px; border-left: 5px solid var(--primary); }
.loading-overlay { position: fixed; top:0; left:0; width:100%; height:100%; background:rgba(255,255,255,0.9); z-index:9999; display:none; justify-content:center; align-items:center; flex-direction:column; }
.nav-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; }
.btn-nav-soal { width: 100%; font-size: 0.8rem; border: 1px solid #ddd; background: white; padding: 8px 0; }
.btn-nav-soal.active { border-color: var(--primary); font-weight: bold; border-width: 2px; }
.btn-nav-soal.answered { background-color: #0d6efd; color: white; border-color: #0d6efd; }
.btn-nav-soal.ragu { background-color: #ffc107; color: black; border-color: #ffc107; }
.secure-watermark { position: fixed; bottom: 10px; right: 10px; opacity: 0.3; font-size: 0.8rem; pointer-events: none; z-index: 9000; }
.stat-card { border-radius: 10px; padding: 20px; color: white; position: relative; overflow: hidden; }
.stat-card h2 { font-weight: bold; font-size: 2.5rem; margin-bottom: 0; }
.stat-card i { position: absolute; right: 20px; bottom: 10px; font-size: 4rem; opacity: 0.2; }
.answer-label { cursor: pointer; transition: all 0.2s; }
.answer-label:hover { background-color: #e9ecef !important; border-color: var(--primary) !important; }

/* Grid Soal Admin */
.soal-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}
.soal-card {
    background: white;
    border: 3px solid #fced35;
    border-radius: 5px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.2s ease-in-out;
}
.soal-card:hover {
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
    border-color: #ffc107;
}
.soal-card img {
    max-width: 100%;
    height: auto;
    max-height: 120px;
    object-fit: contain;
    margin-top: auto;
    border: 1px solid #dee2e6;
    border-radius: 4px;
}
.text-truncate-multiline {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-wrap: break-word;
}
/* Responsif Grid Soal Admin */
@media (max-width: 1200px) { .soal-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 992px) { .soal-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .soal-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .soal-grid { grid-template-columns: 1fr; } }