/* ==========================================================================
   PWNBOX ACADEMY — MASTER GUIDE TEST EXAM STYLESHEET (BAUHAUS BRUTALISM)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Work+Sans:wght@400;500;600;700;800&family=Rajdhani:wght@500;600;700&display=swap');

:root {
    --bg-base: #f4f4f0;
    --bg-panel: #ffffff;
    --bg-card: #ffffff;
    --text-main: #0a0a0a;
    --text-muted: #444444;
    --text-dim: #666666;
    --border-dim: #0a0a0a;
    --border-color: #0a0a0a;
    --border-width: 4px;

    --bauhaus-red: #D9291C;
    --bauhaus-blue: #005A9C;
    --bauhaus-yellow: #F2A900;
    --accent-green: #10B981;
    --accent-purple: #8B5CF6;
    --accent-cyan: #06B6D4;
    --grid-dot: #cccccc;
}

[data-theme="dark"] {
    --bg-base: #111111;
    --bg-panel: #1a1a1a;
    --bg-card: #1a1a1a;
    --text-main: #f4f4f0;
    --text-muted: #aaaaaa;
    --text-dim: #888888;
    --border-dim: #f4f4f0;
    --border-color: #f4f4f0;
    --grid-dot: #333333;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    zoom: 0.9;
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: 'Work Sans', sans-serif;
    min-height: 111.111111vh;
    min-height: calc(100vh / 0.9);
    display: flex;
    flex-direction: column;
    background-image: radial-gradient(var(--grid-dot) 2px, transparent 2px);
    background-size: 30px 30px;
    overflow-x: hidden;
}

/* ── Top Header Navigation ── */
.test-header {
    background: var(--bg-panel);
    border-bottom: var(--border-width) solid var(--border-dim);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-main);
}

.logo-badge {
    background: var(--bauhaus-red);
    color: #ffffff;
    font-family: 'Space Mono', monospace;
    font-size: 1.2rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-dim);
    box-shadow: 2px 2px 0 var(--border-dim);
}

.logo-text-wrap h1 {
    font-family: 'Space Mono', monospace;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.logo-text-wrap p {
    font-size: 0.72rem;
    font-family: 'Space Mono', monospace;
    color: var(--text-muted);
}

.header-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-action-btn {
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 0.78rem;
    padding: 7px 14px;
    cursor: pointer;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 2px solid var(--border-dim);
    box-shadow: 2px 2px 0 var(--border-dim);
    transition: all 0.1s ease;
}

.nav-action-btn:hover {
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0 var(--border-dim);
}

.nav-action-btn:active {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 var(--border-dim);
}

.nav-action-btn.theme-btn {
    background: var(--text-main);
    color: var(--bg-base);
}

.nav-action-btn.main-btn {
    background: var(--bauhaus-red);
    color: #ffffff;
}

.nav-action-btn.guide-btn {
    background: var(--bauhaus-blue);
    color: #ffffff;
}

/* ── Main Container ── */
.test-main-container {
    max-width: 960px;
    width: 100%;
    margin: 40px auto;
    padding: 0 20px;
    flex-grow: 1;
}

/* ── Hero Banner ── */
.test-hero {
    background: var(--bg-panel);
    border: var(--border-width) solid var(--border-dim);
    box-shadow: 6px 6px 0 var(--border-dim);
    padding: 32px;
    margin-bottom: 32px;
    position: relative;
}

body.exam-active .test-hero,
body.results-active .test-hero {
    display: none;
}

.test-hero-badge {
    display: inline-block;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--bauhaus-blue);
    background: rgba(0, 90, 156, 0.1);
    border: 2px solid var(--border-dim);
    padding: 4px 10px;
    margin-bottom: 12px;
}

.test-hero h2 {
    font-family: 'Space Mono', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.test-hero p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 680px;
}

/* ── Setup Panel (Filter Controls) ── */
.setup-card {
    background: var(--bg-panel);
    border: var(--border-width) solid var(--border-dim);
    box-shadow: 6px 6px 0 var(--border-dim);
    padding: 32px;
    margin-bottom: 32px;
}

.setup-card-title {
    font-family: 'Space Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    border-bottom: 2px solid var(--border-dim);
    padding-bottom: 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.filter-select {
    background: var(--bg-base);
    border: var(--border-width) solid var(--border-dim);
    color: var(--text-main);
    padding: 10px 14px;
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--border-dim);
    transition: all 0.15s;
}

.filter-select:focus {
    border-color: var(--bauhaus-blue);
    box-shadow: 3px 3px 0 var(--border-dim);
}

.filter-summary-row {
    background: var(--bg-base);
    border: 2px solid var(--border-dim);
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-summary-info {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-main);
}

.filter-summary-info strong {
    color: var(--bauhaus-red);
}

.btn-start-exam {
    width: 100%;
    background: var(--bauhaus-red);
    color: #ffffff;
    border: var(--border-width) solid var(--border-dim);
    box-shadow: 5px 5px 0 var(--border-dim);
    padding: 16px 24px;
    font-family: 'Space Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-start-exam:hover {
    background: #b82216;
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 var(--border-dim);
}

.btn-start-exam:active {
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0 var(--border-dim);
}

/* ── Recent History Card (on Setup View) ── */
.recent-history-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 2px solid var(--border-dim);
}

.recent-history-section h4 {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.history-chips-list {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.history-chip {
    background: var(--bg-base);
    border: 2px solid var(--border-dim);
    box-shadow: 2px 2px 0 var(--border-dim);
    padding: 6px 12px;
    font-family: 'Space Mono', monospace;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.history-chip .score-pill {
    font-weight: 700;
    color: var(--accent-green);
}

/* ── Live Question Card View ── */
.exam-view {
    display: none;
}

.exam-card {
    background: var(--bg-panel);
    border: var(--border-width) solid var(--border-dim);
    box-shadow: 6px 6px 0 var(--border-dim);
    padding: 32px;
    margin-bottom: 32px;
}

/* Progress and Metas */
.exam-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.exam-counter {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.exam-badges-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.exam-badge {
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border: 1px solid var(--border-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-diff-easy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border-color: var(--accent-green);
}

.badge-diff-medium {
    background: rgba(242, 169, 0, 0.15);
    color: var(--bauhaus-yellow);
    border-color: var(--bauhaus-yellow);
}

.badge-diff-hard {
    background: rgba(217, 41, 28, 0.15);
    color: var(--bauhaus-red);
    border-color: var(--bauhaus-red);
}

.badge-type {
    background: rgba(0, 90, 156, 0.1);
    color: var(--bauhaus-blue);
    border-color: var(--bauhaus-blue);
}

.badge-term {
    background: var(--bg-base);
    color: var(--text-main);
}

/* Progress Line */
.exam-progress-wrap {
    width: 100%;
    height: 8px;
    background: var(--bg-base);
    border: 2px solid var(--border-dim);
    margin-bottom: 28px;
    overflow: hidden;
}

.exam-progress-bar {
    height: 100%;
    background: var(--bauhaus-blue);
    width: 0%;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Question Content */
.question-content {
    margin-bottom: 28px;
}

.question-text {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.45;
    color: var(--text-main);
    letter-spacing: 0.2px;
}

/* 4 Options Grid */
.options-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.option-item {
    background: var(--bg-base);
    border: var(--border-width) solid var(--border-dim);
    box-shadow: 4px 4px 0 var(--border-dim);
    padding: 14px 18px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s;
    user-select: none;
}

.option-item:hover:not(.locked) {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--border-dim);
    background: rgba(0, 90, 156, 0.06);
}

.option-item.locked {
    cursor: default;
}

.option-letter {
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 0.85rem;
    min-width: 28px;
    height: 28px;
    background: var(--bg-panel);
    border: 2px solid var(--border-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.option-text {
    font-size: 0.95rem;
    line-height: 1.45;
    color: var(--text-main);
    flex-grow: 1;
}

/* Option Selected - Correct */
.option-item.selected.correct {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--accent-green);
}

.option-item.selected.correct .option-letter {
    background: var(--accent-green);
    color: #ffffff;
    border-color: var(--accent-green);
}

/* Option Selected - Incorrect */
.option-item.selected.incorrect {
    background: rgba(217, 41, 28, 0.15);
    border-color: var(--bauhaus-red);
}

.option-item.selected.incorrect .option-letter {
    background: var(--bauhaus-red);
    color: #ffffff;
    border-color: var(--bauhaus-red);
}

/* Option Revealed (Correct answer when user guessed wrong) */
.option-item.correct-reveal {
    border-color: var(--accent-green);
    border-style: dashed;
    background: rgba(16, 185, 129, 0.08);
}

.option-item.correct-reveal .option-letter {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

/* ── Explanation Panel ── */
.explanation-panel {
    display: none;
    background: rgba(242, 169, 0, 0.08);
    border-left: 6px solid var(--bauhaus-yellow);
    border-top: 2px solid var(--border-dim);
    border-right: 2px solid var(--border-dim);
    border-bottom: 2px solid var(--border-dim);
    box-shadow: 4px 4px 0 var(--border-dim);
    padding: 20px;
    margin-bottom: 28px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.explanation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.explanation-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--bauhaus-yellow);
    display: flex;
    align-items: center;
    gap: 6px;
}

.explanation-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-main);
}

.btn-ask-tutor-inline {
    background: transparent;
    border: 1px solid var(--border-dim);
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    cursor: pointer;
    box-shadow: 1px 1px 0 var(--border-dim);
    transition: all 0.1s;
    color: var(--text-main);
}

.btn-ask-tutor-inline:hover {
    background: var(--bauhaus-blue);
    color: white;
}

/* ── Question Navigation Actions ── */
.exam-actions-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.btn-next-question {
    background: var(--bauhaus-blue);
    color: #ffffff;
    border: var(--border-width) solid var(--border-dim);
    box-shadow: 4px 4px 0 var(--border-dim);
    padding: 12px 28px;
    font-family: 'Space Mono', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s;
    margin-left: auto;
}

.btn-next-question:hover {
    background: #004780;
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--border-dim);
}

.btn-next-question:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--border-dim);
}

/* ── Results Screen View ── */
.results-view {
    display: none;
}

.results-card {
    background: var(--bg-panel);
    border: var(--border-width) solid var(--border-dim);
    box-shadow: 6px 6px 0 var(--border-dim);
    padding: 36px;
    margin-bottom: 32px;
}

.results-hero-header {
    text-align: center;
    border-bottom: 3px solid var(--border-dim);
    padding-bottom: 28px;
    margin-bottom: 32px;
}

.results-rank-badge {
    display: inline-block;
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 6px 14px;
    border: 2px solid var(--border-dim);
    background: var(--bg-base);
    margin-bottom: 16px;
    box-shadow: 2px 2px 0 var(--border-dim);
}

.results-score-big {
    font-family: 'Space Mono', monospace;
    font-size: clamp(3rem, 7vw, 4.5rem);
    font-weight: 700;
    color: var(--bauhaus-red);
    line-height: 1;
    margin-bottom: 10px;
}

.results-score-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Breakdown Grid */
.results-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 36px;
}

.breakdown-box {
    background: var(--bg-base);
    border: 2px solid var(--border-dim);
    box-shadow: 3px 3px 0 var(--border-dim);
    padding: 20px;
}

.breakdown-box h4 {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-dim);
    padding-bottom: 8px;
}

.breakdown-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
}

.breakdown-mini-bar {
    width: 90px;
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-dim);
    overflow: hidden;
}

[data-theme="dark"] .breakdown-mini-bar {
    background: rgba(255, 255, 255, 0.1);
}

.breakdown-mini-fill {
    height: 100%;
    background: var(--bauhaus-blue);
}

/* Missed Questions Review Section */
.missed-questions-section {
    margin-top: 36px;
    border-top: 3px solid var(--border-dim);
    padding-top: 28px;
}

.missed-questions-title {
    font-family: 'Space Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.missed-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.missed-card {
    background: var(--bg-base);
    border: 2px solid var(--border-dim);
    box-shadow: 4px 4px 0 var(--border-dim);
    padding: 20px;
}

.missed-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.missed-card-q {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.missed-answer-comparison {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
    font-size: 0.88rem;
    font-family: 'Space Mono', monospace;
}

.missed-user-ans {
    color: var(--bauhaus-red);
    background: rgba(217, 41, 28, 0.08);
    padding: 6px 10px;
    border-left: 3px solid var(--bauhaus-red);
}

.missed-correct-ans {
    color: var(--accent-green);
    background: rgba(16, 185, 129, 0.08);
    padding: 6px 10px;
    border-left: 3px solid var(--accent-green);
}

.missed-explanation {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    padding: 10px 12px;
    margin-bottom: 12px;
}

.missed-card-footer {
    display: flex;
    justify-content: flex-end;
}

.btn-review-term {
    font-family: 'Space Mono', monospace;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--bauhaus-blue);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: 1px solid var(--bauhaus-blue);
    padding: 4px 10px;
    background: var(--bg-panel);
    transition: all 0.15s;
}

.btn-review-term:hover {
    background: var(--bauhaus-blue);
    color: white;
}

/* Results Actions */
.results-actions-bar {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 32px;
}

.results-btn {
    font-family: 'Space Mono', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 12px 24px;
    border: var(--border-width) solid var(--border-dim);
    box-shadow: 4px 4px 0 var(--border-dim);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s;
}

.results-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--border-dim);
}

.results-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--border-dim);
}

.results-btn.primary {
    background: var(--bauhaus-red);
    color: #ffffff;
}

.results-btn.secondary {
    background: var(--bg-panel);
    color: var(--text-main);
}

/* ── Footer ── */
.test-footer {
    background: var(--bg-panel);
    border-top: var(--border-width) solid var(--border-dim);
    padding: 24px;
    text-align: center;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: auto;
}

/* ── Responsive Rules ── */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    .test-header {
        padding: 12px 16px;
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    .header-nav-actions {
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
    }
    .test-hero, .setup-card, .exam-card, .results-card {
        padding: 20px;
    }
    .btn-start-exam {
        font-size: 0.95rem;
        padding: 12px;
    }
    .question-text {
        font-size: 1.1rem;
    }
}