/**
 * Anti-Cheating CSS Protection
 * 
 * Proteksi visual untuk mencegah kecurangan:
 * - Disable text selection
 * - Hide content when printing
 * - Prevent image dragging
 */

/* ============================================
   DISABLE TEXT SELECTION
   ============================================ */
.test-content,
.question-container,
.assessment-section,
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* Allow selection in form inputs */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* ============================================
   DISABLE IMAGE DRAGGING
   ============================================ */
img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    pointer-events: none;
}

/* ============================================
   HIDE CONTENT WHEN PRINTING
   ============================================ */
@media print {
    body * {
        display: none !important;
        visibility: hidden !important;
    }
    
    body::before {
        content: "⚠️ Printing is disabled for this assessment.";
        display: block !important;
        visibility: visible !important;
        font-size: 24px;
        text-align: center;
        padding: 100px 50px;
        color: #dc3545;
        font-family: Arial, sans-serif;
    }
    
    body::after {
        content: "Mencetak halaman assessment tidak diperbolehkan.";
        display: block !important;
        visibility: visible !important;
        font-size: 16px;
        text-align: center;
        padding: 20px;
        color: #666;
        font-family: Arial, sans-serif;
    }
}

/* ============================================
   ANTI-CHEAT WARNING STYLES
   ============================================ */
#anti-cheat-warning {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    z-index: 999999;
    font-family: 'Segoe UI', Arial, sans-serif;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(220, 53, 69, 0.4);
    animation: warningSlideIn 0.3s ease-out;
    max-width: 90%;
    text-align: center;
}

@keyframes warningSlideIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes warningSlideOut {
    from {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
}

/* ============================================
   SECURE ASSESSMENT CONTAINER
   ============================================ */
.secure-assessment {
    position: relative;
}

.secure-assessment::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

/* ============================================
   CODE BLOCK PROTECTION
   ============================================ */
pre,
code,
.code-snippet {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* ============================================
   QUESTION OPTIONS PROTECTION
   ============================================ */
.question-options label,
.answer-option {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: pointer;
}

/* ============================================
   OVERLAY FOR DEVTOOLS DETECTION
   ============================================ */
.devtools-warning-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 999998;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: white;
    font-family: 'Segoe UI', Arial, sans-serif;
}

.devtools-warning-overlay h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #dc3545;
}

.devtools-warning-overlay p {
    font-size: 16px;
    max-width: 500px;
    text-align: center;
    line-height: 1.6;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    #anti-cheat-warning {
        font-size: 12px;
        padding: 12px 20px;
        max-width: 95%;
    }
}