/* ================================================
   PRACTICE TEST PAGE
   ================================================ */

.test-page-wrap {
    min-height: calc(100vh - 72px);
    background: var(--bg-page);
    padding: 4rem 0;
}

/* ================================================
   BREADCRUMB
   ================================================ */
.breadcrumb {
    padding: 0rem 0 1rem;
}

.breadcrumb a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.breadcrumb a:hover {
    color: var(--primary);
}

/* ================================================
   TEST HEADER
   ================================================ */
.test-intro-header {
    margin: 0rem 0 2.5rem;
}

.test-intro-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.65rem;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

.test-intro-header p,
.test-intro-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.page-tags-row {
    margin-bottom: 2.5rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.empty-state-card {
    margin: 2rem 0;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 3rem;
    text-align: center;
}

.empty-state-card h2 {
    margin-bottom: 1rem;
}

.test-intro-text-more {
    margin-bottom: 2.5rem;
}

.question-view {
    display: none;
}

.question-view:first-of-type,
.question-view.active {
    display: block;
}

.test-intro-text {
    margin-top: 1.25rem;
}

.test-intro-list {
    margin: 1rem 0;
    padding-left: 0;
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem 1.5rem;
}

.test-intro-list li {
    position: relative;
    padding-left: 1.4rem;
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.test-intro-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

/* ================================================
   QUESTION VIEW (2-column)
   ================================================ */
.question-wrap {
    display: none;
    padding: 0 0 1.5rem;
}

.question-wrap.show {
    display: block;
}

.question-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem;
    align-items: start;
}

/* ================================================
   SIDEBAR
   ================================================ */
.q-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Top nav */
.q-nav-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
}

.q-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.18s;
}

.q-nav-btn:hover {
    background: var(--bg-section);
    color: var(--text-main);
    border-color: var(--border-dark);
    box-shadow: var(--shadow-md);
}

.q-nav-btn:active {
    transform: scale(0.98);
}

/* Progress card */
.progress-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
    max-height: 300px;
    overflow: hidden;
    overflow-y: scroll;
}

.progress-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1.1rem;
}

.q-number-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.q-num-btn {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.q-num-btn.current {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.q-num-btn.q-right {
    background: var(--success);
    border-color: #15803D;
    color: white;
}

.q-num-btn.q-wrong {
    background: var(--danger);
    border-color: #B91C1C;
    color: white;
}

.progress-stats-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.stat-dot-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
}

.stat-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.stat-dot.green {
    background: var(--success);
}

.stat-dot.red {
    background: var(--danger);
}

.progress-checks {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.progress-check-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.check-icon {
    color: var(--text-light);
    font-weight: 700;
}

.challenge-bank-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    transition: all 0.18s;
    cursor: pointer;
    text-decoration: none;
}

.challenge-bank-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    background: white;
    transform: translateY(-1px);
}

.challenge-bank-icon {
    font-size: 1.35rem;
}

.challenge-bank-count {
    margin-left: auto;
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ================================================
   MAIN QUESTION CARD
   ================================================ */
.q-main-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.q-card-timer {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    z-index: 10;
}

.q-card-timer .timer-icon {
    color: var(--primary);
    font-size: 1.1rem;
}

.q-card-timer .timer-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
}

.q-card-timer .timer-display-global {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
}

.q-main-body {
    padding: 2rem;
}

.q-category-label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--primary);
    margin-bottom: 1.25rem;
    display: inline-block;
    background: var(--primary-light);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
}

.q-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.4;
    margin-bottom: 1.5rem;
    letter-spacing: 0;
}

.answer-options {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.answer-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.95rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: white;
    transition: all 0.15s ease;
    cursor: pointer;
    font-family: var(--font);
    text-align: left;
    box-shadow: var(--shadow-sm);
}

.answer-option:hover:not(.disabled) {
    background: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.radio-circle {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--border-dark);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    transition: all 0.15s;
}

.answer-option:hover:not(.disabled) .radio-circle {
    border-color: var(--primary);
}

.answer-option.selected {
    border-color: var(--primary);
    background: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.answer-option.selected .radio-circle {
    border-color: var(--primary);
    background: var(--primary);
}

.answer-option.selected .radio-circle::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
}

.answer-option.opt-correct {
    border-color: #16A34A;
    background: var(--success-light);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.08);
}

.answer-option.opt-correct .radio-circle {
    border-color: var(--success);
    background: var(--success);
}

.answer-option.opt-correct .radio-circle::after {
    content: '✓';
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
}

.answer-option.opt-wrong {
    border-color: #DC2626;
    background: var(--danger-light);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08);
}

.answer-option.opt-wrong .radio-circle {
    border-color: var(--danger);
    background: var(--danger);
}

.answer-option.opt-wrong .radio-circle::after {
    content: '✕';
    color: white;
    font-weight: 700;
    font-size: 0.8rem;
}

.answer-option.disabled {
    cursor: default;
}

.answer-option-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-main);
    line-height: 1.5;
}

/* Feedback */
.q-feedback {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: none;
}

.q-feedback.show {
    display: block;
}

.feedback-correct {
    background: var(--success-light);
    border-top-color: #16A34A;
}

.feedback-wrong {
    background: var(--danger-light);
    border-top-color: #DC2626;
}

.feedback-heading {
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.feedback-correct .feedback-icon,
.feedback-correct .feedback-heading {
    color: #15803D;
}

.feedback-wrong .feedback-icon,
.feedback-wrong .feedback-heading {
    color: #B91C1C;
}

.feedback-body {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
    font-weight: 400;
}

.q-card-footer {
    padding: 1rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-page);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ================================================
   RESULTS
   ================================================ */
.results-wrap {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 2.5rem;
    text-align: center;
    display: none;
}

.results-wrap.show {
    display: block;
}

.score-ring {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 12px solid var(--primary);
    margin: 0 auto 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 6px var(--primary-light);
}

.score-ring.pass {
    border-color: var(--success);
    box-shadow: 0 0 0 6px var(--success-light);
}

.score-ring.fail {
    border-color: var(--danger);
    box-shadow: 0 0 0 6px var(--danger-light);
}

.score-pct {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.score-ring.pass .score-pct {
    color: var(--success);
}

.score-ring.fail .score-pct {
    color: var(--danger);
}

.score-sub {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.results-wrap h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.results-msg {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 2rem;
}

.results-breakdown {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.bd-item strong {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.bd-item span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.4rem;
    display: block;
}

.bd-correct strong {
    color: var(--success);
}

.bd-incorrect strong {
    color: var(--danger);
}

.results-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .question-layout {
        grid-template-columns: 1fr;
    }

    .q-sidebar {
        order: 2;
    }
}

@media (max-width: 768px) {
    .test-hero h1 {
        font-size: 1.65rem;
    }

    .test-intro-text {
        font-size: 1rem;
    }

    .intro-card-body {
        grid-template-columns: 1fr;
    }

    .intro-right {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }

    .intro-actions {
        grid-template-columns: 1fr;
    }

    .btn-premium-outline {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
}

@media (max-width: 640px) {
    .intro-left,
    .q-main-body,
    .q-feedback,
    .q-card-footer {
        padding: 1.5rem;
    }

    .answer-option {
        padding: 0.85rem 1rem;
    }

    .q-nav-btns {
        grid-template-columns: 1fr;
    }

    .results-wrap {
        padding: 2rem 1.25rem;
    }

    .score-ring {
        width: 140px;
        height: 140px;
        border-width: 10px;
        margin-bottom: 1.5rem;
    }

    .score-pct {
        font-size: 2.5rem;
    }

    .results-wrap h2 {
        font-size: 1.75rem;
    }

    .results-msg {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .bd-item strong {
        font-size: 2.25rem;
    }

    .results-actions {
        flex-direction: column;
    }

    .results-actions .btn {
        width: 100%;
    }

    .q-text {
        font-size: 1.2rem;
    }
}