/* ===== QUIZ STYLES ===== */

/* Container */
.quiz-container {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 40px;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

/* Header */
.quiz-header {
    text-align: center;
    margin-bottom: 32px;
}
.quiz-header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}
.quiz-header p {
    color: var(--text-muted);
    font-size: .95rem;
    max-width: 500px;
    margin: 0 auto;
}

/* Progress bar */
.quiz-progress {
    margin-bottom: 36px;
}
.quiz-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: .82rem;
    color: var(--text-muted);
    font-weight: 500;
}
.quiz-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}
.quiz-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #2ecc71);
    border-radius: 4px;
    transition: width .5s cubic-bezier(.4, 0, .2, 1);
    width: 0%;
}

/* Steps wrapper */
.quiz-steps-wrapper {
    position: relative;
    overflow: hidden;
    min-height: 320px;
}

/* Step */
.quiz-step {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(60px);
    transition: opacity .4s ease, transform .4s ease;
    pointer-events: none;
    visibility: hidden;
}
.quiz-step.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    position: relative;
    visibility: visible;
}
.quiz-step.exit-left {
    opacity: 0;
    transform: translateX(-60px);
}
.quiz-step.enter-right {
    transform: translateX(60px);
}

/* Question */
.quiz-question {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}
.quiz-question-number {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    text-align: center;
    line-height: 32px;
    font-size: .85rem;
    font-weight: 700;
    margin-right: 10px;
    font-family: var(--font-heading);
}
.quiz-question-hint {
    color: var(--text-muted);
    font-size: .85rem;
    margin-bottom: 24px;
}

/* Options */
.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}
.quiz-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--bg-light);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all .25s ease;
    font-size: .95rem;
    color: var(--text-body);
    font-weight: 500;
    line-height: 1.5;
    user-select: none;
}
.quiz-option:hover {
    border-color: var(--accent);
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.quiz-option.selected {
    border-color: var(--accent);
    background: var(--accent-light);
    color: var(--text-dark);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, .15);
}
.quiz-option-radio {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .25s ease;
}
.quiz-option.selected .quiz-option-radio {
    border-color: var(--accent);
    background: var(--accent);
}
.quiz-option.selected .quiz-option-radio::after {
    content: '';
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
}
.quiz-option-text {
    flex: 1;
}

/* Navigation */
.quiz-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-top: 8px;
}
.quiz-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: .92rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .25s ease;
    border: none;
}
.quiz-btn:disabled {
    opacity: .4;
    cursor: not-allowed;
    transform: none !important;
}
.quiz-btn-back {
    background: transparent;
    color: var(--text-muted);
    border: 1.5px solid var(--border);
}
.quiz-btn-back:hover:not(:disabled) {
    color: var(--text-dark);
    border-color: var(--text-muted);
}
.quiz-btn-next {
    background: var(--accent);
    color: #fff;
    margin-left: auto;
}
.quiz-btn-next:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.quiz-btn-next svg,
.quiz-btn-back svg {
    width: 18px;
    height: 18px;
}

/* Start screen */
.quiz-start {
    text-align: center;
    padding: 20px 0;
}
.quiz-start-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    line-height: 1;
}
.quiz-start h1 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}
.quiz-start p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 28px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}
.quiz-start-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.quiz-start-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .88rem;
    color: var(--text-body);
    font-weight: 500;
}
.quiz-start-feature svg {
    color: var(--accent);
    flex-shrink: 0;
}
.quiz-btn-start {
    background: var(--accent);
    color: #fff;
    padding: 16px 40px;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
    border: none;
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: all .25s ease;
}
.quiz-btn-start:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== RESULT ===== */
.quiz-result {
    text-align: center;
    animation: fadeInUp .6s ease forwards;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.quiz-result-header {
    margin-bottom: 28px;
}

/* Score bar */
.quiz-score-section {
    margin-bottom: 32px;
}
.quiz-score-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: .85rem;
    color: var(--text-muted);
    font-weight: 500;
}
.quiz-score-bar {
    width: 100%;
    height: 14px;
    background: var(--border);
    border-radius: 7px;
    overflow: hidden;
    margin-bottom: 16px;
}
.quiz-score-fill {
    height: 100%;
    border-radius: 7px;
    width: 0%;
    transition: width 1.2s cubic-bezier(.4, 0, .2, 1);
}
.quiz-score-fill.green  { background: linear-gradient(90deg, #27ae60, #2ecc71); }
.quiz-score-fill.yellow { background: linear-gradient(90deg, #f1c40f, #f39c12); }
.quiz-score-fill.orange { background: linear-gradient(90deg, #e67e22, #d35400); }
.quiz-score-fill.red    { background: linear-gradient(90deg, #e74c3c, #c0392b); }

.quiz-score-value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}
.quiz-score-max {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Badge */
.quiz-badge {
    display: inline-block;
    padding: 8px 24px;
    border-radius: 50px;
    font-size: .9rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: .02em;
}
.quiz-badge.green  { background: #e8f8ef; color: #1e8449; }
.quiz-badge.yellow { background: #fef9e7; color: #9a7d0a; }
.quiz-badge.orange { background: #fef5e7; color: #935116; }
.quiz-badge.red    { background: #fdedec; color: #922b21; }

.quiz-result-title {
    font-size: 1.5rem;
    margin-bottom: 10px;
}
.quiz-result-desc {
    color: var(--text-body);
    font-size: .95rem;
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

/* Recommendations */
.quiz-recommendations {
    text-align: left;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 28px;
    margin-bottom: 28px;
}
.quiz-recommendations h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.quiz-rec-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.quiz-rec-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: .9rem;
    line-height: 1.6;
    color: var(--text-body);
}
.quiz-rec-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    margin-top: 2px;
}
.quiz-rec-icon.good {
    background: #e8f8ef;
    color: #27ae60;
}
.quiz-rec-icon.warn {
    background: #fef9e7;
    color: #f39c12;
}
.quiz-rec-icon.bad {
    background: #fdedec;
    color: #e74c3c;
}

/* Links section */
.quiz-links {
    text-align: left;
    margin-bottom: 28px;
}
.quiz-links h3 {
    font-size: 1rem;
    margin-bottom: 14px;
}
.quiz-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.quiz-link-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-body);
    font-size: .85rem;
    font-weight: 500;
    transition: all .25s ease;
}
.quiz-link-card:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateX(3px);
}
.quiz-link-card::before {
    content: '\2192';
    color: var(--accent);
    font-weight: 700;
}

/* CTA in result */
.quiz-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-md);
    padding: 28px;
    color: #fff;
    text-align: center;
    margin-bottom: 24px;
}
.quiz-cta h3 {
    color: #fff;
    font-size: 1.15rem;
    margin-bottom: 8px;
}
.quiz-cta p {
    opacity: .85;
    font-size: .9rem;
    margin-bottom: 16px;
}
.quiz-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: .92rem;
    transition: all .25s ease;
}
.quiz-cta-btn:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Restart */
.quiz-restart {
    padding-top: 8px;
}
.quiz-btn-restart {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text-muted);
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: .88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all .25s ease;
}
.quiz-btn-restart:hover {
    border-color: var(--text-muted);
    color: var(--text-dark);
}

/* ===== KNOWLEDGE QUIZ — answer feedback ===== */
.quiz-option.correct {
    border-color: #27ae60;
    background: #e8f8ef;
    color: #1e8449;
    pointer-events: none;
}
.quiz-option.correct .quiz-option-radio {
    border-color: #27ae60;
    background: #27ae60;
}
.quiz-option.correct .quiz-option-radio::after {
    content: '';
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
}
.quiz-option.incorrect {
    border-color: #e74c3c;
    background: #fdedec;
    color: #922b21;
    pointer-events: none;
}
.quiz-option.incorrect .quiz-option-radio {
    border-color: #e74c3c;
    background: #e74c3c;
}
.quiz-option.incorrect .quiz-option-radio::after {
    content: '\00d7';
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
}
.quiz-option.disabled {
    opacity: .55;
    pointer-events: none;
}

/* Explanation box */
.quiz-explanation {
    margin-top: 20px;
    padding: 20px 24px;
    border-radius: var(--radius-md);
    font-size: .9rem;
    line-height: 1.7;
    color: var(--text-body);
    animation: fadeInUp .4s ease forwards;
}
.quiz-explanation.correct-bg {
    background: #e8f8ef;
    border-left: 4px solid #27ae60;
}
.quiz-explanation.incorrect-bg {
    background: #fef9e7;
    border-left: 4px solid #f39c12;
}
.quiz-explanation-title {
    font-weight: 700;
    font-size: .92rem;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.quiz-explanation-title.correct-text { color: #1e8449; }
.quiz-explanation-title.incorrect-text { color: #d68910; }

.quiz-explanation-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-size: .85rem;
    font-weight: 600;
    color: var(--accent);
    transition: color .2s;
}
.quiz-explanation-link:hover {
    color: var(--accent-hover);
}

/* Wrong answers summary in results */
.quiz-wrong-answers {
    text-align: left;
    margin-bottom: 28px;
}
.quiz-wrong-answers h3 {
    font-size: 1.05rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.quiz-wrong-item {
    padding: 16px 20px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    font-size: .88rem;
    line-height: 1.6;
}
.quiz-wrong-item strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 4px;
}
.quiz-wrong-item .your-answer {
    color: #c0392b;
}
.quiz-wrong-item .correct-answer {
    color: #1e8449;
}
.quiz-wrong-item a {
    color: var(--accent);
    font-weight: 600;
}
.quiz-wrong-item a:hover {
    color: var(--accent-hover);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .quiz-container {
        padding: 24px 18px;
        border-radius: var(--radius-md);
    }
    .quiz-header h1,
    .quiz-start h1 {
        font-size: 1.35rem;
    }
    .quiz-question {
        font-size: 1.1rem;
    }
    .quiz-option {
        padding: 14px 16px;
        font-size: .9rem;
    }
    .quiz-steps-wrapper {
        min-height: 280px;
    }
    .quiz-start-features {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    .quiz-links-grid {
        grid-template-columns: 1fr;
    }
    .quiz-score-value {
        font-size: 2rem;
    }
    .quiz-result-title {
        font-size: 1.25rem;
    }
    .quiz-recommendations {
        padding: 20px;
    }
    .quiz-cta {
        padding: 20px;
    }
    .quiz-nav {
        flex-wrap: wrap;
    }
    .quiz-btn {
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    .quiz-container {
        padding: 18px 14px;
    }
    .quiz-question-number {
        width: 28px;
        height: 28px;
        line-height: 28px;
        font-size: .78rem;
    }
}