/**
 * CalcMed - Calculateurs Médicaux
 * Styles
 */

:root {
    --primary: #2196f3;
    --primary-hover: #1976d2;
    --primary-light: #e3f2fd;

    --success: #4caf50;
    --success-light: #e8f5e9;
    --warning: #ff9800;
    --warning-light: #fff3e0;
    --danger: #f44336;
    --danger-light: #ffebee;
    --info: #2196f3;
    --info-light: #e3f2fd;

    --text: #333;
    --text-muted: #666;
    --bg: #f5f5f5;
    --bg-card: #fff;
    --border: #e0e0e0;

    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.preview-banner {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    margin: 0 0 0.5rem;
    background: var(--warning-light);
    color: #795600;
    border-left: 4px solid var(--warning);
    border-radius: var(--radius);
    font-size: 0.85rem;
    line-height: 1.4;
}

.preview-banner i {
    color: var(--warning);
    font-size: 1rem;
    flex-shrink: 0;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text: #e0e0e0;
        --text-muted: #aaa;
        --bg: #121212;
        --bg-card: #1e1e1e;
        --border: #333;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* Header */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.app-header h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: inherit;
}

.btn-back {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: white;
    text-decoration: none;
    border-radius: 50%;
    transition: background 0.2s;
}

.btn-back:hover {
    background: rgba(255,255,255,0.15);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: inherit;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-icon .badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--danger);
    color: white;
    font-size: 0.65rem;
    min-width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.btn-icon .badge.hidden {
    display: none;
}

.btn-icon:hover {
    background: rgba(255,255,255,0.15);
}

.btn-icon:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Main */
.app-main {
    padding: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Search */
.search-section {
    margin-bottom: 1.5rem;
}

.search-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-wrapper input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
}

.search-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.category-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.category-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.category-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.category-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Section headers */
.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.section-header h2 {
    margin: 0;
    font-size: 1.125rem;
    flex: 1;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.875rem;
    cursor: pointer;
}

.btn-link:hover {
    text-decoration: underline;
}

.btn-link.danger {
    color: var(--danger);
}

/* Calculator list */
.calculators-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calculator-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}

.calculator-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.calc-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    font-size: 1rem;
}

.calc-item-content {
    flex: 1;
    min-width: 0;
}

.calc-item-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.calc-item-desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calc-item-arrow {
    color: var(--text-muted);
}

/* Calculator view */
.calculator-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.calculator-header {
    margin-bottom: 1.5rem;
}

.calculator-header h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
}

.calc-description {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Inputs */
.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.input-group label {
    font-size: 0.875rem;
    font-weight: 500;
}

.input-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.input-row input,
.input-row select {
    flex: 1;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
}

.input-row input:focus,
.input-row select:focus {
    outline: none;
    border-color: var(--primary);
}

.input-unit {
    font-size: 0.875rem;
    color: var(--text-muted);
    min-width: 50px;
}

/* Score components (for multi-part scores like Glasgow) */
.score-components {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.score-component {
    padding: 1rem;
    background: var(--bg);
    border-radius: var(--radius);
}

.score-component-title {
    font-weight: 500;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

/* ==================== SCORE SECTIONS ==================== */

.score-section {
    margin-bottom: 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.score-section:last-child {
    margin-bottom: 0;
}

.score-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--primary);
    color: white;
    font-weight: 500;
    font-size: 0.9375rem;
}

.score-section-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.score-section-subtotal {
    font-size: 0.875rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    min-width: 3rem;
    text-align: center;
}

.score-section-body {
    padding: 0.75rem;
    background: var(--bg-card);
}

.score-section .score-component {
    margin-bottom: 0.75rem;
}

.score-section .score-component:last-child {
    margin-bottom: 0;
}

/* ==================== RESULT BREAKDOWN ==================== */

.result-breakdown {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.875rem;
}

.result-breakdown-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.result-breakdown-name {
    color: var(--text-muted);
}

.result-breakdown-score {
    font-weight: 600;
}

/* ==================== CALC WARNING ==================== */

.calc-warning {
    margin-bottom: 1rem;
    padding: 0.875rem 1rem;
    background: rgba(234, 179, 8, 0.12);
    border: 1px solid rgba(234, 179, 8, 0.5);
    border-radius: var(--radius);
    color: var(--text-color);
    font-size: 0.875rem;
    line-height: 1.5;
}

.calc-warning.hidden {
    display: none;
}

.calc-warning-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #b45309;
}

.calc-warning-title i {
    color: #eab308;
}

.calc-warning-list {
    margin: 0;
    padding-left: 1.25rem;
}

.calc-warning-list li {
    margin-bottom: 0.25rem;
}

.calc-warning-list li:last-child {
    margin-bottom: 0;
}

.calc-warning-actions {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(234, 179, 8, 0.3);
}

.calc-warning-actions .btn-warning {
    background: #eab308;
    color: #1a1a1a;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.2s;
}

.calc-warning-actions .btn-warning:hover {
    background: #ca8a04;
}

@media (prefers-color-scheme: dark) {
    .calc-warning {
        background: rgba(234, 179, 8, 0.15);
        border-color: rgba(234, 179, 8, 0.4);
    }

    .calc-warning-title {
        color: #fbbf24;
    }
}

/* ==================== CALC NOTICE (copyright, avertissement) ==================== */

.calc-notice {
    margin-bottom: 1rem;
}

.calc-notice.hidden {
    display: none;
}

.notice-content {
    padding: 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    line-height: 1.5;
}

.notice-content.notice-copyright {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.notice-content.notice-warning {
    background: rgba(234, 179, 8, 0.1);
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.notice-content.notice-info {
    background: var(--info-light);
    border: 1px solid rgba(33, 150, 243, 0.3);
}

.notice-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.notice-copyright .notice-header {
    color: #6366f1;
}

.notice-copyright .notice-header i {
    color: #6366f1;
}

.notice-warning .notice-header {
    color: #b45309;
}

.notice-warning .notice-header i {
    color: #eab308;
}

.notice-info .notice-header {
    color: var(--primary);
}

.notice-message {
    color: var(--text-muted);
}

.notice-message p {
    margin: 0 0 0.5rem;
}

.notice-message p:last-child {
    margin-bottom: 0;
}

.notice-message strong {
    color: var(--text);
}

.notice-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.notice-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    font-weight: 500;
    color: #fff;
    background: var(--primary);
    border-radius: var(--radius);
    text-decoration: none;
    transition: background 0.2s;
}

.notice-link:hover {
    background: var(--primary-hover);
    text-decoration: none;
}

.notice-link i {
    font-size: 0.85em;
}

@media (prefers-color-scheme: dark) {
    .notice-content.notice-copyright {
        background: rgba(99, 102, 241, 0.15);
        border-color: rgba(99, 102, 241, 0.4);
    }

    .notice-copyright .notice-header {
        color: #818cf8;
    }

    .notice-copyright .notice-header i {
        color: #818cf8;
    }

    .notice-message {
        color: var(--text);
    }

    .notice-links {
        border-top-color: rgba(99, 102, 241, 0.3);
    }

    .notice-link {
        background: #6366f1;
    }

    .notice-link:hover {
        background: #4f46e5;
    }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    .score-section-header {
        background: var(--primary-hover);
    }

    .result-breakdown {
        border-top-color: rgba(255, 255, 255, 0.1);
    }
}

.score-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.score-option {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}

.score-option:hover {
    border-color: var(--primary);
}

.score-option.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.score-option input {
    display: none;
}

.score-option-value {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 600;
}

.score-option-label {
    flex: 1;
    font-size: 0.875rem;
}

/* Result */
.calc-result {
    padding: 1.5rem;
    background: var(--primary-light);
    border-radius: var(--radius);
    text-align: center;
    margin-bottom: 1.5rem;
}

.calc-result.severity-info {
    background: var(--info-light);
}

.calc-result.severity-success {
    background: var(--success-light);
}

.calc-result.severity-warning {
    background: var(--warning-light);
}

.calc-result.severity-danger {
    background: var(--danger-light);
}

.result-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.severity-success .result-value { color: var(--success); }
.severity-warning .result-value { color: var(--warning); }
.severity-danger .result-value { color: var(--danger); }

.result-unit {
    font-size: 1rem;
    font-weight: 400;
    margin-left: 0.25rem;
}

.result-interpretation {
    margin-top: 0.75rem;
    font-size: 1rem;
    font-weight: 500;
}

/* Actions */
.calc-actions {
    display: flex;
    gap: 1rem;
}

.calc-actions button {
    flex: 1;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.calc-actions .primary {
    background: var(--primary);
    color: white;
}

.calc-actions .primary:hover {
    background: var(--primary-hover);
}

.calc-actions .secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.calc-actions .secondary:hover {
    background: var(--border);
}

/* Sources & Formula details */
.sources-details,
.formula-details {
    margin-bottom: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.sources-details summary,
.formula-details summary {
    padding: 1rem;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sources-details summary:hover,
.formula-details summary:hover {
    background: var(--bg);
}

.sources-content,
.formula-content {
    padding: 1rem;
    padding-top: 0;
    font-size: 0.875rem;
}

.source-item {
    padding: 0.75rem;
    background: var(--bg);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
}

.source-item:last-child {
    margin-bottom: 0;
}

.source-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.source-citation {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.source-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

.source-link:hover {
    text-decoration: underline;
}

.formula-content code {
    display: block;
    padding: 1rem;
    background: var(--bg);
    border-radius: var(--radius);
    font-family: ui-monospace, monospace;
    font-size: 0.9375rem;
    overflow-x: auto;
}

/* History */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.history-item-content {
    flex: 1;
}

.history-item-name {
    font-weight: 500;
}

.history-item-result {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.history-item-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Empty message */
.empty-message {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

/* ==================== SESSION PANEL ==================== */

.session-header-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--primary-light);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.session-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-session-action {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

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

.btn-session-action.btn-reset:hover {
    border-color: var(--danger);
    color: var(--danger);
    background: var(--danger-light);
}

/* Liste des résultats de session */
.session-results-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.session-result-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 0.875rem 1rem;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.session-result-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.session-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.session-result-name {
    font-weight: 600;
    color: var(--text);
}

.session-result-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.session-result-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-result-value {
    font-weight: 700;
    font-size: 1.1rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius);
}

.session-result-value.severity-info {
    background: var(--info-light);
    color: var(--info);
}

.session-result-value.severity-success {
    background: var(--success-light);
    color: var(--success);
}

.session-result-value.severity-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.session-result-value.severity-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.session-result-interpretation {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: right;
    max-width: 50%;
}

/* Hidden */
.hidden {
    display: none !important;
}

/* Print styles */
@media print {
    .app-header,
    .search-section,
    .calc-actions,
    .btn-link,
    .btn-icon {
        display: none !important;
    }

    .calculator-card {
        border: none;
        box-shadow: none;
    }
}

/* ==================== HELP PANEL ==================== */

.help-trigger {
    font-weight: 700;
    font-size: 1.1rem;
}

.help-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 998;
}

.help-backdrop.visible {
    display: block;
}

.help-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: min(380px, 90vw);
    height: 100vh;
    background: var(--bg-card);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    z-index: 999;
    transform: translateX(100%);
    transition: transform 250ms ease;
    display: flex;
    flex-direction: column;
}

.help-panel.open {
    transform: translateX(0);
}

.help-panel.closing {
    transform: translateX(100%);
    transition-duration: 200ms;
}

.help-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.75rem;
    background: var(--primary);
    color: white;
}

.help-header h2 {
    font-size: 1rem;
    margin: 0;
}

.help-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}

.help-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.help-nav {
    display: flex;
    flex-wrap: wrap;
    border-bottom: 2px solid var(--border);
    background: var(--bg);
}

.help-nav-btn {
    padding: 0.5rem 0.75rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: color 0.2s;
}

.help-nav-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.help-nav-btn:hover {
    color: var(--text);
}

.help-body {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text);
}

.help-body h3 {
    font-size: 0.95rem;
    color: var(--text);
    margin: 0.75rem 0 0.35rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.2rem;
}

.help-body h3:first-child {
    margin-top: 0;
}

.help-body p {
    margin: 0.35rem 0;
}

.help-body kbd {
    display: inline-block;
    padding: 1px 5px;
    font-size: 0.75rem;
    font-family: monospace;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 3px;
}

.help-body ul {
    padding-left: 1.25rem;
    margin: 0.25rem 0;
}

.help-body li {
    margin: 0.2rem 0;
}

.help-body code {
    background: var(--bg);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    font-size: 0.82rem;
}

.help-body a {
    color: var(--primary);
}

.help-body pre {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
    overflow-x: auto;
    font-size: 0.72rem;
    line-height: 1.4;
    margin: 0.5rem 0;
}

@media (min-width: 769px) {
    .help-backdrop {
        display: none !important;
    }
}

/* ==================== DOCUMENTATION / SUMMARY ==================== */

.scale-summary {
    margin: 0.5rem 0 1rem;
    padding: 0.75rem;
    background: var(--primary-light);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--text);
    line-height: 1.5;
}

.scale-clinical-use {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.8125rem;
}

.scale-clinical-use ul {
    margin: 0.25rem 0 0;
    padding-left: 1.25rem;
}

/* ==================== COMPONENT DESCRIPTIONS ==================== */

.score-component-description {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-style: italic;
}

/* Option help inline (shown when option is selected) */
.option-help-text {
    display: none;
    width: 100%;
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--text-muted);
    background: var(--bg);
    border-radius: calc(var(--radius) / 2);
    font-style: italic;
}

.score-option.selected .option-help-text {
    display: block;
}

/* ==================== HELP BUTTON IN HEADER ==================== */

.btn-help {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary-light);
    color: var(--primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn-help:hover {
    background: var(--primary);
    color: white;
}

.calculator-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.calculator-header-content {
    flex: 1;
}

/* ==================== INPUT DESCRIPTIONS ==================== */

.input-description {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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