.question-list-container {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.prep-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.88fr);
    gap: 28px;
    padding: 30px 32px;
    border-radius: 32px;
    align-items: stretch;
    background: var(--tests-surface-hero);
    box-shadow: var(--tests-shadow-strong);
}

.prep-hero-main {
    display: flex;
    flex-direction: column;
    gap: 14px;
    height: 100%;
}

.prep-hero-main h2,
.questions-section-head h2 {
    margin: 0;
    color: var(--tests-strong-text);
}

.prep-hero-text {
    max-width: 620px;
    color: var(--tests-soft-text);
    font-size: 1rem;
    line-height: 1.65;
}

.prep-hero-actions {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 6px;
}

.hero-continue-link {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    align-self: flex-start;
    padding: 14px 18px;
    border-radius: 18px;
    background: var(--tests-continue-bg);
    color: var(--btn-text-light);
    text-decoration: none;
    box-shadow: var(--tests-shadow-medium);
}

.hero-continue-link:hover {
    color: var(--btn-text-light);
    text-decoration: none;
}

.hero-continue-label {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--tests-on-accent-muted);
    font-weight: 800;
}

.hero-continue-link strong {
    font-size: 1.05rem;
}

.hero-continue-meta {
    font-size: 0.9rem;
    color: var(--tests-on-accent-soft);
}

.hero-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-action-form {
    margin: 0;
}

.hero-action-btn {
    min-width: 220px;
    padding: 14px 18px;
    border-radius: 999px;
    border: 1px solid var(--tests-border-soft);
    background: var(--tests-surface);
    color: var(--tests-strong-text);
    font-weight: 800;
    box-shadow: var(--tests-shadow-soft);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.hero-action-btn:hover:not([disabled]),
.hero-action-btn:focus-visible:not([disabled]) {
    transform: translateY(-2px);
    box-shadow: var(--tests-shadow-medium);
}

.hero-action-btn.primary {
    background: var(--primary-color);
    color: var(--btn-text-light);
    border-color: var(--primary-color);
}

.hero-action-btn.secondary {
    background: var(--tests-warning-surface);
    color: var(--tests-warning-ink);
    border-color: var(--tests-warning-border);
}

.hero-action-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

.hero-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.hero-link-btn:hover {
    text-decoration: none;
}

.prep-overview-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 22px;
    border-radius: 26px;
    height: 100%;
    background: var(--tests-surface-elevated);
    border: 1px solid var(--tests-border-soft);
    box-shadow: var(--tests-shadow-soft);
}

.prep-overview-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.prep-overview-head h3 {
    margin: 0;
    color: var(--tests-strong-text);
}

.prep-overview-value {
    font-size: 2rem;
    line-height: 1;
    color: var(--tests-strong-text);
}

.prep-coverage-bar-compact {
    margin: 0;
}

.prep-overview-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.prep-overview-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 12px;
    border-radius: 14px;
    background: var(--tests-surface-muted);
    color: var(--tests-strong-text);
}

.prep-overview-row.warning {
    background: var(--tests-warning-surface);
    color: var(--tests-warning-ink);
}

.prep-overview-row.success {
    background: var(--tests-success-surface);
    color: var(--success-color);
}

.prep-overview-note {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--tests-soft-text);
}

.hero-scenarios {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 6px;
    max-width: 720px;
}

.hero-scenarios.guest {
    max-width: 380px;
}

.hero-scenarios-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.hero-scenarios-title {
    font-size: 0.92rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--tests-soft-text);
}

.hero-settings-link {
    white-space: nowrap;
}

.hero-scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    grid-auto-rows: 1fr;
    gap: 12px;
    align-items: stretch;
}

.hero-scenario-form {
    margin: 0;
}

.hero-scenario-form,
.hero-scenario-link {
    display: block;
    height: 100%;
}

.hero-scenario-card {
    width: 100%;
    height: 100%;
    min-height: 104px;
    padding: 16px 18px;
    border-radius: 20px;
    border: 1px solid var(--tests-border-soft);
    background: var(--tests-surface-elevated);
    box-shadow: var(--tests-shadow-soft);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 8px;
    text-align: left;
    color: var(--tests-strong-text);
    text-decoration: none;
    font: inherit;
    cursor: pointer;
    appearance: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.hero-scenario-card:hover:not([disabled]),
.hero-scenario-card:focus-visible:not([disabled]) {
    transform: translateY(-2px);
    box-shadow: var(--tests-shadow-medium);
    border-color: var(--tests-accent-border);
    color: var(--tests-strong-text);
    text-decoration: none;
}

.hero-scenario-card.warning {
    background: var(--tests-warning-surface);
    border-color: var(--tests-warning-border);
}

.hero-scenario-card-continue {
    background: var(--tests-continue-bg);
    border-color: rgba(var(--primary-color-rgb), 0.45);
    color: var(--btn-text-light);
}

.hero-scenario-card-continue:hover,
.hero-scenario-card-continue:focus-visible {
    color: var(--btn-text-light);
}

.hero-scenario-label {
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.3;
}

.hero-scenario-detail {
    font-size: 0.92rem;
    line-height: 1.45;
    color: var(--tests-soft-text);
}

.hero-scenario-card-continue .hero-scenario-detail {
    color: var(--tests-on-accent-muted);
}

.hero-scenario-card[disabled] {
    opacity: 0.58;
    cursor: not-allowed;
    box-shadow: none;
}

.questions-section {
    margin-top: 0;
}

.questions-section-head {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-end;
    margin-bottom: 18px;
}

.questions-section-subtitle {
    margin: 10px 0 0;
    color: var(--tests-soft-text);
}

.questions-section-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.questions-found-pill {
    min-width: 54px;
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--btn-primary-bg);
    color: var(--btn-text-light);
    text-align: center;
    font-weight: 800;
}

.active-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--tests-accent-surface);
    color: var(--tests-strong-text);
    font-size: 0.9rem;
    font-weight: 600;
}

.filter-chip.chip-search {
    background: var(--tests-warning-surface);
}

.filter-chip.chip-status,
.filter-chip.chip-favorite {
    background: var(--tests-surface-muted);
}

.questions-list {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

.question-card-wrapper {
    position: relative;
    transition: transform 0.2s ease;
    animation: fadeInUp 0.4s ease-out;
}

.question-card-wrapper:hover {
    transform: translateY(-3px);
}

.question-card {
    display: block;
    padding: 1.4rem;
    background: linear-gradient(180deg, var(--tests-surface), var(--tests-surface-soft));
    border: 1px solid var(--tests-border-soft);
    border-radius: 22px;
    text-decoration: none;
    color: var(--text-color);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    box-shadow: var(--tests-shadow-soft);
}

.question-card:hover {
    box-shadow: var(--tests-shadow-medium);
    border-color: var(--tests-accent-border);
    color: var(--text-color);
    text-decoration: none;
}

.question-card-topline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 14px;
    padding-right: 46px;
}

.question-state-badge,
.question-inline-metric {
    padding: 7px 11px;
    border-radius: 999px;
    font-size: 0.84rem;
    font-weight: 700;
}

.question-state-badge {
    letter-spacing: 0.02em;
}

.question-state-badge.state-new {
    background: var(--tests-accent-surface);
    color: var(--accent-color);
}

.question-state-badge.state-practiced {
    background: rgba(var(--primary-color-rgb), 0.1);
    color: var(--primary-color);
}

.question-state-badge.state-mastered {
    background: var(--tests-success-surface);
    color: var(--success-color);
}

.question-state-badge.state-review {
    background: var(--tests-warning-surface);
    color: var(--tests-warning-ink);
}

.question-inline-metric {
    background: var(--tests-surface-muted);
    color: var(--tests-soft-text);
}

.question-inline-metric.warning {
    background: var(--tests-warning-surface);
    color: var(--tests-warning-ink);
}

.question-inline-metric.study-state {
    background: var(--tests-surface-muted);
    color: var(--tests-strong-text);
}

.question-inline-metric.study-due {
    background: var(--tests-surface-elevated);
    color: var(--primary-color);
}

.question-header h3 {
    margin: 0 0 1rem;
    font-size: 1.02rem;
    line-height: 1.55;
    color: var(--tests-strong-text);
    font-weight: 600;
}

.question-collections {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.collection-badge {
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--tests-strong-text);
    background: var(--tests-accent-surface);
    border: 1px solid var(--tests-accent-border);
}

.question-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    align-items: center;
}

.question-personal-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    color: var(--tests-soft-text);
    font-size: 0.92rem;
}

.question-personal-hint {
    max-width: 70%;
}

.question-personal-stats {
    font-weight: 600;
}

.topic-tag {
    padding: 0.3rem 0.6rem;
    background: var(--tests-surface-muted);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--tests-soft-text);
    border: 1px solid var(--tests-border-soft);
}

.topic-tag.no-topic {
    background: var(--tests-warning-surface);
    color: var(--tests-warning-ink);
    border-color: var(--tests-warning-border);
}

.difficulty-badge {
    padding: 0.32rem 0.62rem;
    border-radius: 8px;
    font-size: 0.74rem;
    font-weight: 700;
    margin-left: auto;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.difficulty-easy {
    background: var(--success-color);
    color: var(--btn-text-light);
}

.difficulty-medium {
    background: var(--warning-color);
    color: var(--dark-color);
}

.difficulty-hard {
    background: var(--danger-color);
    color: var(--btn-text-light);
}

.favorite-question-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 2;
    padding: 0.5rem;
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--tests-soft-text);
    transition: transform 0.2s ease, color 0.2s ease;
}

.favorite-question-btn:hover {
    transform: scale(1.08);
    color: var(--warning-color);
}

.favorite-question-btn.active {
    color: var(--warning-color);
}

.star-icon {
    font-size: 1.2rem;
}

.loading-indicator {
    text-align: center;
    padding: 2.4rem 1rem;
    color: var(--tests-soft-text);
}

#load-more-container {
    margin: 2rem 0 0;
    text-align: center;
}

#load-more-btn {
    padding: 0.95rem 2.4rem;
    border-radius: 14px;
    font-weight: 700;
}

.no-questions {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--tests-soft-text);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 980px) {
    .prep-hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .prep-hero {
        padding: 22px 18px;
    }

    .questions-section-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-scenarios-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-scenario-grid,
    .hero-scenario-form {
        width: 100%;
    }

    .question-card {
        padding: 1.15rem;
    }

    .question-header h3 {
        font-size: 0.98rem;
    }

    .question-personal-hint {
        max-width: 100%;
    }
}