/* ============================================================
   QUIZ COMPONENT STYLES — Skola Juhlin
   Uses CSS variables set by each quiz page:
     --quiz-color     (e.g. #C2883E)
     --quiz-color-rgb (e.g. 194, 136, 62)
     --quiz-color-lt  (lighter shade, optional)
   ============================================================ */

/* ---- Quiz Wrapper ---- */
.quiz-wrapper {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 0;
    margin: 16px auto 40px;
    max-width: 900px;
    overflow: hidden;
    box-shadow: 0 30px 90px rgba(0,0,0,0.45);
    animation: fadeUp 0.55s ease both;
}

/* ---- Quiz Header ---- */
.quiz-header {
    text-align: center;
    padding: 40px 44px 36px;
    background: linear-gradient(
        135deg,
        rgba(var(--quiz-color-rgb), 0.14) 0%,
        rgba(var(--quiz-color-rgb), 0.04) 100%
    );
    border-bottom: 1px solid rgba(var(--quiz-color-rgb), 0.18);
    position: relative;
    overflow: hidden;
}

/* Radial glow in header */
.quiz-header::before {
    content: '';
    position: absolute;
    inset: -50% -20%;
    background: radial-gradient(
        ellipse at 50% 60%,
        rgba(var(--quiz-color-rgb), 0.10) 0%,
        transparent 55%
    );
    pointer-events: none;
}

.quiz-header h1 {
    font-family: var(--font-display);
    font-size: 2.1em;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.035em;
    position: relative;
}

.quiz-header p {
    font-size: 1em;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto;
    position: relative;
}

/* ---- Inner content padding ---- */
#startScreen,
#quizScreen,
#resultsScreen {
    padding: 32px 44px 44px;
}

/* ============================================================
   START SCREEN
   ============================================================ */

.start-screen {
    text-align: center;
}

.start-screen h2 {
    font-family: var(--font-display);
    color: var(--quiz-color);
    margin-bottom: 16px;
    font-size: 1.75em;
    font-weight: 700;
}

.start-screen > p {
    color: var(--text-secondary);
    font-size: 1.05em;
    line-height: 1.85;
    margin-bottom: 32px;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}

.part-buttons-label {
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-muted);
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.part-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-width: 420px;
    margin: 0 auto 20px;
}

/* All start / part buttons */
.start-btn {
    background: rgba(var(--quiz-color-rgb), 0.10);
    color: var(--quiz-color);
    border: 1px solid rgba(var(--quiz-color-rgb), 0.28);
    padding: 15px 24px;
    border-radius: 10px;
    font-size: 1.05em;
    font-family: var(--font-body);
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.25s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.2s;
}

.start-btn:hover {
    background: rgba(var(--quiz-color-rgb), 0.18);
    border-color: var(--quiz-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(var(--quiz-color-rgb), 0.25);
}

.part-btn .part-count {
    font-size: 0.82em;
    font-weight: 500;
    opacity: 0.8;
    display: block;
    margin-top: 3px;
}

/* "All questions" button gets filled style */
.start-btn-all {
    margin-top: 16px;
    display: inline-block;
    background: var(--quiz-color);
    color: #0D1117;
    border-color: var(--quiz-color);
    padding: 16px 52px;
}
.start-btn-all:hover {
    background: rgba(var(--quiz-color-rgb), 0.85);
    box-shadow: 0 10px 32px rgba(var(--quiz-color-rgb), 0.42);
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */

.progress-container {
    margin-bottom: 28px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 9px;
    color: var(--text-secondary);
    font-size: 0.875em;
    font-weight: 700;
}

.progress-bar {
    width: 100%;
    height: 5px;
    background: var(--surface-2);
    border-radius: 5px;
    overflow: visible;
}

.progress-fill {
    height: 100%;
    background: var(--quiz-color);
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 5px;
    box-shadow: 0 0 14px rgba(var(--quiz-color-rgb), 0.55);
    position: relative;
}

/* ============================================================
   QUESTION
   ============================================================ */

.question-container {
    margin-bottom: 28px;
}

.question-number {
    color: var(--quiz-color);
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.question-category {
    display: inline-block;
    background: rgba(var(--quiz-color-rgb), 0.12);
    color: var(--quiz-color);
    padding: 3px 13px;
    border-radius: 20px;
    font-size: 0.78em;
    font-weight: 700;
    margin-bottom: 14px;
    border: 1px solid rgba(var(--quiz-color-rgb), 0.24);
    letter-spacing: 0.04em;
}

.question-text {
    font-family: var(--font-display);
    font-size: 1.35em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 26px;
    line-height: 1.45;
    letter-spacing: -0.015em;
}

.question-image { margin-bottom: 20px; max-width: 100%; }
.question-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.answers-container { margin-top: 18px; }

/* ============================================================
   MULTIPLE CHOICE
   ============================================================ */

.answer-option {
    padding: 13px 18px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    margin-bottom: 10px;
    transition: background 0.18s, border-color 0.18s, transform 0.2s;
    font-size: 1.05em;
    text-align: left;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 500;
    width: 100%;
}

.answer-option:hover {
    background: rgba(var(--quiz-color-rgb), 0.08);
    border-color: rgba(var(--quiz-color-rgb), 0.38);
    transform: translateX(5px);
}

.answer-option.selected {
    background: rgba(var(--quiz-color-rgb), 0.14);
    color: var(--quiz-color);
    border-color: var(--quiz-color);
}

.answer-option.correct {
    background: rgba(16, 185, 129, 0.14);
    border-color: #10B981;
    color: #6ee7b7;
}

.answer-option.incorrect {
    background: rgba(239, 68, 68, 0.12);
    border-color: #EF4444;
    color: #fca5a5;
}

.answer-option.disabled {
    pointer-events: none;
    opacity: 0.55;
}

/* ============================================================
   TRUE / FALSE
   ============================================================ */

.true-false-container {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
}

.true-false-btn {
    flex: 1;
    max-width: 220px;
    padding: 22px 18px;
    border: 1.5px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: 700;
    font-family: var(--font-body);
    background: var(--surface-2);
    color: var(--text-secondary);
    transition: background 0.2s, border-color 0.2s, color 0.2s,
                transform 0.25s cubic-bezier(0.34,1.56,0.64,1),
                box-shadow 0.2s;
}

.true-false-btn.true-btn:hover {
    border-color: #10B981;
    background: rgba(16,185,129,0.10);
    color: #6ee7b7;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(16,185,129,0.18);
}

.true-false-btn.false-btn:hover {
    border-color: #EF4444;
    background: rgba(239,68,68,0.10);
    color: #fca5a5;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(239,68,68,0.18);
}

.true-false-btn.selected {
    border-color: var(--quiz-color);
    border-width: 2.5px;
    color: var(--quiz-color);
    background: rgba(var(--quiz-color-rgb), 0.10);
}

.true-false-btn.correct {
    background: rgba(16,185,129,0.16);
    color: #6ee7b7;
    border-color: #10B981;
    border-width: 2px;
}

.true-false-btn.incorrect {
    background: rgba(239,68,68,0.14);
    color: #fca5a5;
    border-color: #EF4444;
    border-width: 2px;
}

.true-false-btn.disabled {
    pointer-events: none;
    opacity: 0.55;
}

/* ============================================================
   TEXT INPUT
   ============================================================ */

.text-input-container { margin-top: 20px; }

.text-input-field {
    width: 100%;
    padding: 14px 18px;
    font-size: 1.1em;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.text-input-field:focus {
    outline: none;
    border-color: var(--quiz-color);
    box-shadow: 0 0 0 3px rgba(var(--quiz-color-rgb), 0.13);
}

.text-input-field.correct {
    border-color: #10B981;
    background: rgba(16,185,129,0.09);
    color: #6ee7b7;
}

.text-input-field.incorrect {
    border-color: #EF4444;
    background: rgba(239,68,68,0.08);
    color: #fca5a5;
}

/* ============================================================
   LONG ANSWER
   ============================================================ */

.long-answer-container { margin-top: 20px; }

.long-answer-textarea {
    width: 100%;
    min-height: 120px;
    padding: 14px 18px;
    font-size: 1em;
    line-height: 1.65;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    resize: vertical;
    font-family: var(--font-body);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.long-answer-textarea:focus {
    outline: none;
    border-color: var(--quiz-color);
    box-shadow: 0 0 0 3px rgba(var(--quiz-color-rgb), 0.12);
}

.long-answer-textarea.disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.model-answer-box {
    margin-top: 14px;
    padding: 14px 18px;
    background: rgba(var(--quiz-color-rgb), 0.07);
    border-left: 3px solid var(--quiz-color);
    border-radius: 0 8px 8px 0;
    font-size: 0.93em;
    line-height: 1.7;
}

.model-answer-box .model-answer-label {
    font-weight: 700;
    color: var(--quiz-color);
    margin-bottom: 7px;
    display: block;
}

/* ============================================================
   DRAG & DROP
   ============================================================ */

.drag-drop-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-top: 20px;
}

.drag-items-container,
.drop-targets-container {
    min-height: 280px;
}

.drag-items-container h3,
.drop-targets-container h3 {
    color: var(--quiz-color);
    margin-bottom: 14px;
    font-size: 0.82em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.drag-item {
    background: rgba(var(--quiz-color-rgb), 0.13);
    color: var(--quiz-color);
    border: 1px solid rgba(var(--quiz-color-rgb), 0.28);
    padding: 11px 16px;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: grab;
    user-select: none;
    transition: background 0.18s, transform 0.2s, box-shadow 0.2s;
    font-weight: 700;
    font-size: 0.95em;
}

.drag-item:hover {
    background: rgba(var(--quiz-color-rgb), 0.20);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(var(--quiz-color-rgb), 0.22);
}

.drag-item.dragging  { opacity: 0.35; cursor: grabbing; }
.drag-item.placed    { opacity: 0.40; cursor: default; }

.drag-item.selected {
    background: rgba(16,185,129,0.15);
    color: #6ee7b7;
    border-color: #10B981;
    transform: scale(1.04);
    box-shadow: 0 4px 16px rgba(16,185,129,0.22);
}

.drop-target {
    background: var(--surface-2);
    border: 2px dashed var(--border-hover);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 13px;
    min-height: 72px;
    transition: background 0.18s, border-color 0.18s;
    position: relative;
}

.drop-target.drag-over {
    background: rgba(var(--quiz-color-rgb), 0.08);
    border-color: var(--quiz-color);
    border-style: solid;
}

.drop-target.correct {
    background: rgba(16,185,129,0.11);
    border-color: #10B981;
    border-style: solid;
}

.drop-target.incorrect {
    background: rgba(239,68,68,0.10);
    border-color: #EF4444;
    border-style: solid;
}

.drop-target-text {
    color: var(--text-secondary);
    font-weight: 700;
    margin-bottom: 7px;
    font-size: 0.93em;
}

.drop-target-item {
    background: rgba(var(--quiz-color-rgb), 0.14);
    color: var(--quiz-color);
    border: 1px solid rgba(var(--quiz-color-rgb), 0.28);
    padding: 7px 13px;
    border-radius: 6px;
    display: inline-block;
    margin-top: 4px;
    font-weight: 700;
    font-size: 0.88em;
}

/* ============================================================
   FEEDBACK
   ============================================================ */

.feedback-container {
    margin-top: 22px;
    padding: 17px 21px;
    border-radius: 10px;
    animation: slideIn 0.28s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.feedback-container.correct {
    background: rgba(16, 185, 129, 0.11);
    border-left: 3.5px solid #10B981;
}

.feedback-container.incorrect {
    background: rgba(239, 68, 68, 0.10);
    border-left: 3.5px solid #EF4444;
}

.feedback-container.long-answer {
    background: rgba(var(--quiz-color-rgb), 0.08);
    border-left: 3.5px solid var(--quiz-color);
}

.feedback-title {
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 1.05em;
    display: flex;
    align-items: center;
    gap: 7px;
}

.feedback-container.correct   .feedback-title { color: #6ee7b7; }
.feedback-container.incorrect .feedback-title { color: #fca5a5; }
.feedback-container.long-answer .feedback-title { color: var(--quiz-color); }

.feedback-explanation { line-height: 1.72; margin-top: 6px; font-size: 0.95em; }
.feedback-container.correct   .feedback-explanation { color: #a7f3d0; }
.feedback-container.incorrect .feedback-explanation { color: #fecaca; }
.feedback-container.long-answer .feedback-explanation { color: var(--text-secondary); }

.ai-assessment-result {
    color: #0f172a;
}

/* ============================================================
   QUIZ CONTROLS
   ============================================================ */

.quiz-controls {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 28px;
}

.quiz-btn {
    padding: 13px 30px;
    border: none;
    border-radius: 10px;
    font-size: 1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.22s;
    font-family: var(--font-body);
    letter-spacing: 0.01em;
}

.quiz-btn-primary {
    background: var(--quiz-color);
    color: #0D1117;
}

.quiz-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 9px 28px rgba(var(--quiz-color-rgb), 0.40);
}

.quiz-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ============================================================
   RESULTS SCREEN
   ============================================================ */

.results-screen {
    text-align: center;
    padding: 12px 0 8px;
}

.results-screen h2 {
    font-family: var(--font-display);
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 2.1em;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.score-display {
    font-family: var(--font-display);
    font-size: 3.8em;
    font-weight: 800;
    margin: 16px 0;
    color: var(--quiz-color);
    text-shadow: 0 0 50px rgba(var(--quiz-color-rgb), 0.50);
    letter-spacing: -0.03em;
}

.score-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 14px;
    margin: 28px 0;
}

.score-detail-card {
    background: var(--surface-2);
    padding: 22px 18px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.score-detail-value {
    font-family: var(--font-display);
    font-size: 2.4em;
    font-weight: 800;
    color: var(--quiz-color);
    margin-bottom: 4px;
    letter-spacing: -0.03em;
}

.score-detail-label {
    color: var(--text-muted);
    font-size: 0.8em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
}

.results-summary {
    text-align: left;
    margin: 28px 0;
    padding: 22px;
    background: var(--surface-2);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.results-summary h3 {
    font-family: var(--font-display);
    color: var(--quiz-color);
    margin-bottom: 14px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.summary-item {
    padding: 11px 15px;
    margin-bottom: 8px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.93em;
}

.summary-item.correct {
    background: rgba(16,185,129,0.10);
    color: #a7f3d0;
}

.summary-item.incorrect {
    background: rgba(239,68,68,0.10);
    color: #fecaca;
}

.summary-item.long-answer {
    background: rgba(var(--quiz-color-rgb), 0.07);
    color: var(--text-secondary);
    border: 1px solid rgba(var(--quiz-color-rgb), 0.18);
}

.summary-item .model-answer-in-summary {
    font-size: 0.85em;
    font-style: italic;
    opacity: 0.75;
    margin-top: 3px;
}

/* ============================================================
   HIDDEN
   ============================================================ */

.hidden { display: none !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
    #startScreen,
    #quizScreen,
    #resultsScreen {
        padding: 22px 20px 30px;
    }

    .quiz-header {
        padding: 26px 22px 24px;
    }

    .quiz-header h1 { font-size: 1.7em; }

    .drag-drop-container { grid-template-columns: 1fr; }

    .true-false-container {
        flex-direction: column;
        align-items: center;
    }

    .true-false-btn { max-width: 100%; width: 100%; }

    .quiz-controls { flex-direction: column; }

    .part-buttons { grid-template-columns: 1fr; }

    .score-display { font-size: 2.8em; }
}