/* Skill Assessment Specific CSS */

.skill-assessment-container {
    min-height: calc(100vh - 80px); /* Adjust based on your header height */
    background-color: #f8fafc;
    margin-top: -1.5rem; /* Counteract page-start.php py-4 padding */
    margin-left: -1rem;
    margin-right: -1rem;
}

@media (min-width: 992px) {
    .skill-assessment-container {
        margin-left: -1.5rem;
        margin-right: -1.5rem;
    }
}

/* Premium Card Aesthetics */
.pa-premium-card {
    border-radius: 1rem;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pa-premium-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.12);
}

/* Button Glow Effects */
.pa-btn-glow {
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.pa-btn-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
    z-index: -1;
}

/* Exam Layout */
.exam-layout-wrapper {
    min-height: calc(100vh - 140px);
    background-color: #f8fafc;
    display: flex;
    flex: 1;
}

.exam-sidebar {
    width: 340px;
    overflow-y: auto;
    background-color: #ffffff !important;
}

/* Question Navigation (Horizontal Row) */
.q-box {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50%;
    cursor: pointer;
    background-color: #f1f5f9;
    color: #475569;
    border: 2px solid transparent;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.q-box:hover {
    background-color: #e2e8f0;
    transform: scale(1.05);
}

.q-box.active {
    border-color: #0d6efd;
    background-color: #ffffff;
    color: #0d6efd;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.15);
}

.q-box.answered {
    background-color: #10b981;
    color: white;
}

.q-box.answered.active {
    background-color: #10b981;
    border-color: #047857;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Status Indicators */
.status-indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
}

.bg-secondary {
    background-color: #f1f5f9 !important;
    border: 1px solid #cbd5e1;
}

/* Option Cards */
.option-card {
    background-color: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    font-weight: 500;
    font-size: 0.95rem;
    color: #334155;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.option-card:hover {
    border-color: #cbd5e1;
    background-color: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.05);
}

.option-card.selected {
    border-color: #0d6efd;
    background-color: #eff6ff;
    color: #1e3a8a;
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.1);
}

.option-card input[type="radio"] {
    width: 18px;
    height: 18px;
    margin-right: 1rem;
    cursor: pointer;
    accent-color: #0d6efd;
}

/* Review Mode Styles */
.option-card.correct {
    border-color: #10b981;
    background-color: #ecfdf5;
    color: #047857;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.option-card.wrong {
    border-color: #ef4444;
    background-color: #fef2f2;
    color: #b91c1c;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.option-card.disabled {
    cursor: default;
    opacity: 0.9;
}

.option-card.disabled:hover {
    transform: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.q-box.correct {
    background-color: #10b981;
    color: white;
}

.q-box.correct.active {
    border-color: #047857;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.q-box.wrong {
    background-color: #ef4444;
    color: white;
}

.q-box.wrong.active {
    border-color: #b91c1c;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

body.review-mode .q-box.wrong {
    background-color: #ef4444; /* Red */
    color: white;
    border-color: #ef4444;
}

body.review-mode .q-box.unanswered {
    background-color: #94a3b8; /* Slate gray */
    color: white;
    border-color: #94a3b8;
}

/* Review Mode Visibility Overrides */
body.review-mode .exam-timer,
body.review-mode #btn-finish-early,
body.review-mode #btn-clear {
    display: none !important;
}

body.review-mode #explanation-container {
    display: block !important;
}

/* Code Block Styling - Redesigned to match One Dark / GitHub Dark Theme */
pre[class*="language-"] {
    background-color: #0f172a !important; /* Deep dark blue/black background */
    border-radius: 8px !important;
    padding: 1rem 1.25rem !important;
    margin-top: 1.5rem !important;
    margin-bottom: 1.5rem !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    border: 1px solid #1e293b !important;
    overflow-x: auto;
}

pre[class*="language-"] code {
    color: #abb2bf;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace !important;
    font-size: 0.85rem !important; /* Smaller font size as requested */
    line-height: 1.6 !important;
    text-shadow: none !important;
}

/* Prism Token Overrides (Atom One Dark Aesthetics) */
pre[class*="language-"] .token.keyword { color: #c678dd !important; }
pre[class*="language-"] .token.class-name { color: #e5c07b !important; }
pre[class*="language-"] .token.function { color: #e5c07b !important; } /* main() is orange/gold in the screenshot */
pre[class*="language-"] .token.string { color: #98c379 !important; }
pre[class*="language-"] .token.number { color: #d19a66 !important; }
pre[class*="language-"] .token.operator { color: #56b6c2 !important; }
pre[class*="language-"] .token.punctuation { color: #abb2bf !important; }
pre[class*="language-"] .token.comment { color: #5c6370 !important; font-style: italic; }

/* Ensure inline code isn't styled like a block */
code:not([class*="language-"]) {
    background-color: #f1f5f9;
    color: #e11d48;
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: 'Consolas', 'Monaco', monospace;
}

/* Anti-Cheat Overlay */
#anti-cheat-overlay {
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    background-color: rgba(255, 255, 255, 0.85) !important;
}

/* Utilities */
.ls-1 { letter-spacing: 1px; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 42rem; }
.shadow-inner { box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06); }

/* Prevent Text Selection */
.no-select {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Advertisement Wrappers */
.pa-ad-wrapper {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 1.25rem;
    padding: 1.25rem;
    margin: 1.5rem 0;
    text-align: center;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

.pa-ad-wrapper .pa-ad-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: #8c98a4;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
    display: block;
}

.pa-ad-content {
    display: block;
    width: 100%;
    min-height: 250px;
}

/* Full-Page Redesign CSS */
.pa-hero-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    position: relative;
    overflow: hidden;
    color: white;
}

.pa-hero-bg-icon {
    position: absolute;
    opacity: 0.1;
    font-size: 20rem;
    right: -2rem;
    top: -4rem;
    transform: rotate(15deg);
    z-index: 0;
}

.pa-hero-img {
    max-width: 100%;
    height: auto;
    max-height: 380px;
    object-fit: cover;
    z-index: 1;
    position: relative;
    
    /* Magic blending to remove pasted look */
    mix-blend-mode: lighten;
    -webkit-mask-image: radial-gradient(circle at center, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 75%);
    mask-image: radial-gradient(circle at center, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 75%);
    
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg) scale(1.05);
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.pa-hero-img:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.1);
}

.pa-hero-features-icon {
    width: 48px;
    height: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.pa-sidebar-nav .nav-link {
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
    font-weight: 500;
    color: #475569;
    background-color: transparent;
    transition: all 0.2s;
    text-align: left;
    margin-bottom: 0.5rem;
}

.pa-sidebar-nav .nav-link:hover {
    background-color: #f1f5f9;
}

.pa-sidebar-nav .nav-link.active {
    background-color: #0d6efd;
    color: white;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.2);
}

.pa-skill-timeline-node {
    width: 32px;
    height: 32px;
    left: -17px;
    top: 24px;
    margin-left: -32px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.pa-timeline-container {
    border-left: 2px dashed rgba(13, 110, 253, 0.3);
    margin-left: 1rem;
    padding-left: 2.5rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.pa-premium-card {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.pa-premium-card:not(.opacity-75):hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08) !important;
}