:root {
    --questionnaire-bg: #fafaf8;
    --questionnaire-card: #ffffff;
    --questionnaire-border: #e3e6e8;
    --questionnaire-text: #1f2529;
    --questionnaire-muted: #7a8088;
    --questionnaire-green: #2f6b4f;
    --questionnaire-green-soft: #edf6f1;
    --questionnaire-orange: #b97918;
    --questionnaire-orange-soft: #fbf4e7;
    --questionnaire-danger-soft: #fdf1ef;
}

* {
    box-sizing: border-box;
}

body.questionnaire-body {
    margin: 0;
    background: var(--questionnaire-bg);
    color: var(--questionnaire-text);
    font-family: 'Tajawal', sans-serif;
    font-size: 14px;
    line-height: 1.65;
}

a {
    color: inherit;
}

.questionnaire-app {
    min-height: 100vh;
    padding: 20px 14px 32px;
}

.shell {
    width: min(1180px, 100%);
    margin: 0 auto;
}

.shell-home {
    max-width: 1040px;
}

.shell-question {
    max-width: 840px;
}

.shell-study {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
}

.page-heading h1,
.study-title {
    margin: 0;
    font-size: 25px;
    line-height: 1.3;
    font-weight: 600;
}

.page-heading p,
.study-description,
.main-section-description,
.question-help,
.study-context,
.overall-progress-meta,
.study-progress-meta,
.sidebar-main-meta,
.sidebar-subsection-meta,
.save-indicator,
.not-ready-label {
    color: var(--questionnaire-muted);
}

.home-header,
.overall-progress-card,
.main-section-card,
.study-header-card,
.question-card,
.empty-subsection-card,
.questionnaire-sidebar {
    background: var(--questionnaire-card);
    border: 1px solid var(--questionnaire-border);
    border-radius: 8px;
}

.home-header,
.overall-progress-card,
.main-section-card,
.study-header-card,
.empty-subsection-card,
.questionnaire-sidebar {
    padding: 16px 18px;
}

.question-card {
    padding: 16px 18px 18px;
}

.page-kicker,
.overall-progress-title,
.sidebar-kicker,
.study-context,
.question-order {
    font-size: 12px;
    font-weight: 600;
    color: var(--questionnaire-muted);
}

.page-heading p {
    margin: 8px 0 0;
    max-width: 760px;
}

.home-header-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}

.home-actions {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.home-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.overall-progress-card {
    margin-top: 18px;
}

.overall-progress-head,
.main-section-card-head,
.study-progress-row,
.question-header,
.sidebar-main-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.overall-progress-percentage,
.study-progress-percentage {
    font-size: 22px;
    font-weight: 600;
    color: var(--questionnaire-green);
    line-height: 1;
}

.questionnaire-progress {
    height: 8px;
    margin-top: 10px;
    background: #eef1f2;
}

.questionnaire-progress .progress-bar {
    background: var(--questionnaire-green);
}

.main-sections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.main-section-title,
.sidebar-title {
    font-size: 16px;
    font-weight: 600;
}

.sidebar-main-link {
    display: block;
    text-decoration: none;
    border-radius: 8px;
    padding: 8px 10px;
    border: 1px solid transparent;
}

.sidebar-main-link:hover {
    background: #f7f8f8;
}

.sidebar-main-link.is-active {
    background: #f7f8f8;
    border-color: var(--questionnaire-border);
}

.main-section-description,
.main-section-progress-meta,
.main-section-subsection-line,
.study-progress-label {
    font-size: 13px;
}

.main-section-progress-meta,
.main-section-subsections {
    margin-top: 12px;
}

.main-section-progress-meta,
.main-section-subsection-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.main-section-subsections {
    display: grid;
    gap: 8px;
    padding-top: 2px;
    border-top: 1px solid #eef1f2;
}

.main-section-actions {
    margin-top: 14px;
}

.main-section-subsection-name-wrap {
    min-width: 0;
}

.main-section-subsection-name,
.main-section-subsection-link {
    font-size: 13px;
    font-weight: 500;
}

.main-section-subsection-link {
    color: inherit;
    text-decoration: none;
}

.main-section-subsection-link:hover,
.main-section-subsection-link:focus {
    color: var(--questionnaire-green);
}

.main-section-subsection-count {
    color: var(--questionnaire-muted);
    font-size: 12px;
    white-space: nowrap;
}

.btn-questionnaire-primary {
    background: var(--questionnaire-green);
    border-color: var(--questionnaire-green);
    color: #fff;
    font-size: 13px;
    border-radius: 8px;
    padding: 9px 14px;
}

.btn-questionnaire-primary:hover,
.btn-questionnaire-primary:focus {
    background: #285c45;
    border-color: #285c45;
    color: #fff;
}

.review-inline,
.sidebar-review-chip {
    color: var(--questionnaire-orange);
}

.sidebar-mobile-toggle {
    width: fit-content;
    border-radius: 8px;
    font-size: 13px;
}

.study-main {
    min-width: 0;
}

.study-header-card {
    margin-bottom: 14px;
}

.light-breadcrumb {
    display: flex;
    align-items: center;
    gap: 7px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--questionnaire-muted);
    margin-bottom: 10px;
}

.light-breadcrumb a {
    text-decoration: none;
}

.study-description {
    margin-top: 10px;
    font-size: 13px;
}

.question-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.question-filter-label {
    font-size: 13px;
    color: var(--questionnaire-muted);
}

.question-filter-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.question-filter-actions .btn {
    padding: 7px 12px;
}

.save-indicator {
    margin-bottom: 12px;
    font-size: 13px;
}

.save-indicator.is-saving {
    color: var(--questionnaire-orange);
}

.save-indicator.is-error {
    color: #b42318;
}

.questions-list {
    display: grid;
    gap: 14px;
}

.subsection-cards-grid {
    display: grid;
    gap: 14px;
}

.subsection-overview-list {
    display: grid;
    gap: 0;
}

.subsection-overview-row {
    padding: 12px 0;
    border-bottom: 1px solid #eef1f2;
}

.subsection-overview-row:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.subsection-overview-main {
    display: grid;
    gap: 4px;
}

.subsection-overview-title-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.subsection-overview-title,
.subsection-overview-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--questionnaire-text);
    text-decoration: none;
}

.subsection-overview-link:hover,
.subsection-overview-link:focus {
    color: var(--questionnaire-green);
}

.subsection-overview-meta {
    font-size: 13px;
    color: var(--questionnaire-muted);
}

.question-title {
    margin: 0;
    font-size: 16px;
    line-height: 1.45;
    font-weight: 600;
}

.question-badges {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.question-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 999px;
    background: #f4f6f7;
    color: var(--questionnaire-muted);
    font-size: 12px;
}

.question-badge-warning {
    background: var(--questionnaire-orange-soft);
    color: var(--questionnaire-orange);
}

.question-help {
    margin: 8px 0 0;
    font-size: 13px;
}

.question-error {
    margin-top: 8px;
    color: #b42318;
    font-size: 13px;
}

.question-answer-area {
    margin-top: 14px;
}

.questionnaire-control {
    min-height: 40px;
    border-radius: 8px;
    border-color: var(--questionnaire-border);
    font-size: 14px;
}

.questionnaire-control:focus {
    border-color: #a0c8b2;
    box-shadow: 0 0 0 0.2rem rgba(47, 107, 79, 0.12);
}

.questionnaire-textarea,
.questionnaire-notes-textarea {
    min-height: 104px;
}

.choice-list {
    display: grid;
    gap: 8px;
}

.choice-row {
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border: 1px solid var(--questionnaire-border);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.choice-row:has(input:checked) {
    border-color: var(--questionnaire-green);
    background: var(--questionnaire-green-soft);
}

.choice-row .form-check-input {
    margin-top: 0;
    flex-shrink: 0;
}

.question-notes {
    margin-top: 12px;
}

.question-notes-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--questionnaire-green);
    font-size: 13px;
}

.question-notes-panel {
    display: none;
    margin-top: 10px;
}

.question-notes-panel.is-open {
    display: block;
}

.question-notes-label {
    font-size: 13px;
    margin-bottom: 6px;
}

.question-step-actions,
.completion-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.btn-questionnaire-secondary {
    border: 1px solid var(--questionnaire-border);
    background: #fff;
    color: var(--questionnaire-text);
    font-size: 13px;
    border-radius: 8px;
    padding: 9px 14px;
}

.btn-questionnaire-secondary:hover,
.btn-questionnaire-secondary:focus {
    background: #f8f9f9;
    color: var(--questionnaire-text);
}

.btn-questionnaire-danger-soft {
    border: 1px solid #efc9c2;
    background: var(--questionnaire-danger-soft);
    color: #9f2d20;
    font-size: 13px;
    border-radius: 8px;
    padding: 9px 14px;
}

.btn-questionnaire-danger-soft:hover,
.btn-questionnaire-danger-soft:focus {
    background: #f9e6e2;
    color: #8a2318;
}

.question-step-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.question-step-actions-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.question-skip-form,
.question-delete-form {
    display: none;
}

.questionnaire-sidebar {
    padding: 14px;
}

.sidebar-tree {
    display: grid;
    gap: 12px;
    margin-top: 12px;
}

.sidebar-main-section {
    display: grid;
    gap: 10px;
}

.sidebar-main-name-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.sidebar-main-name {
    font-size: 14px;
    font-weight: 600;
}

.sidebar-subsections {
    display: grid;
    gap: 6px;
}

.sidebar-subsection {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid transparent;
}

.sidebar-subsection:hover {
    background: #f7f8f8;
}

.sidebar-subsection.is-active {
    background: var(--questionnaire-green-soft);
    border-color: #bfdbc9;
}

.sidebar-subsection.is-disabled {
    background: #f8f8f8;
    color: var(--questionnaire-muted);
}

.sidebar-subsection-main {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.sidebar-subsection-name {
    font-size: 13px;
}

.sidebar-subsection-meta {
    display: grid;
    justify-items: end;
    font-size: 12px;
    white-space: nowrap;
}

.sidebar-status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #c8cfd4;
    flex-shrink: 0;
}

.sidebar-status-dot.in_progress {
    background: var(--questionnaire-orange);
}

.sidebar-status-dot.completed {
    background: var(--questionnaire-green);
}

.sidebar-subsection-warning {
    color: var(--questionnaire-orange);
    font-size: 11px;
}

.main-section-status {
    font-size: 18px;
    line-height: 1;
    color: #c3cbd1;
}

.main-section-status.in_progress {
    color: var(--questionnaire-orange);
}

.main-section-status.completed {
    color: var(--questionnaire-green);
}

.completion-card {
    display: grid;
    gap: 10px;
}

.technical-report-preview-card {
    margin-top: 18px;
    overflow: auto;
}

.technical-report-preview {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    direction: rtl;
    font-family: "Courier New", monospace;
    font-size: 13px;
    line-height: 1.8;
}

.markdown-content > *:last-child {
    margin-bottom: 0;
}

@media (min-width: 992px) {
    .shell-study {
        grid-template-columns: minmax(0, 840px) 284px;
        justify-content: center;
        align-items: start;
    }

    .study-sidebar {
        order: -1;
        position: sticky;
        top: 18px;
    }
}

@media (max-width: 991.98px) {
    .questionnaire-app {
        padding-top: 16px;
    }

    .home-actions {
        width: 100%;
    }

    .main-sections-grid {
        grid-template-columns: 1fr;
    }
}