/**
 * Modern UI layer — minimal assistant-style design (Linear / Stripe inspired).
 * Loaded after main.css; overrides legacy gov-portal styling.
 */

:root {
    --color-primary: #0d9488;
    --color-primary-hover: #0f766e;
    --color-primary-dark: #115e59;
    --color-primary-light: #f0fdfa;
    --color-accent: #0d9488;
    --color-text: #0f172a;
    --color-text-muted: #64748b;
    --color-bg: #ffffff;
    --color-surface: #ffffff;
    --color-surface-alt: #f8fafc;
    --color-surface-muted: #f1f5f9;
    --color-white: #ffffff;
    --color-border: #e2e8f0;
    --color-border-subtle: #f1f5f9;
    --color-success: #059669;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-card-hover: 0 4px 12px rgba(15, 23, 42, 0.06), 0 16px 40px rgba(15, 23, 42, 0.08);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --max-width: 1080px;
    --reading-width: 42rem;
    --header-height: 64px;
    --space-section: 4rem;
    --line-height-body: 1.75;
    --line-height-tight: 1.25;
    --transition-fast: 0.18s ease;
    --transition-card: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #2dd4bf;
        --color-primary-hover: #5eead4;
        --color-primary-dark: #99f6e4;
        --color-primary-light: rgba(45, 212, 191, 0.08);
        --color-accent: #2dd4bf;
        --color-text: #f1f5f9;
        --color-text-muted: #94a3b8;
        --color-bg: #0f172a;
        --color-surface: #1e293b;
        --color-surface-alt: #1e293b;
        --color-surface-muted: #334155;
        --color-white: #1e293b;
        --color-border: #334155;
        --color-border-subtle: #1e293b;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
        --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.25);
        --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.35);
    }
}

html {
    font-size: 16px;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
}

/* Header */
.site-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: none;
}

@media (prefers-color-scheme: dark) {
    .site-header {
        background: rgba(15, 23, 42, 0.85);
    }
}

.header-inner {
    min-height: var(--header-height);
}

.lang-btn {
    border-radius: 999px;
    border-color: transparent;
    background: var(--color-surface-muted);
    font-size: 0.8125rem;
    padding: 0.4rem 0.75rem;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.lang-btn:hover,
.lang-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Buttons */
.btn {
    border-radius: var(--radius);
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 1px 2px rgba(13, 148, 136, 0.2);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}

.btn-outline {
    border-color: var(--color-border);
    background: var(--color-surface);
}

.btn-outline:hover {
    background: var(--color-surface-muted);
    border-color: var(--color-border);
}

/* Hero — light, centered, search-first */
.hero,
.hero-situations {
    background: var(--color-bg);
    color: var(--color-text);
    padding: clamp(2.5rem, 8vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
    border-bottom: 1px solid var(--color-border-subtle);
}

.hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 0.75rem;
    color: var(--color-text);
    max-width: none;
}

.hero-description,
.hero-search-lead {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 540px;
    line-height: 1.6;
    opacity: 1;
}

.hero-search,
.hero-search-large,
.search-form-hero {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    align-items: stretch;
    flex-wrap: nowrap;
    gap: 0.625rem;
    padding: 0.375rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition-card), border-color var(--transition-fast);
}

.search-form:focus-within {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-card-hover), 0 0 0 3px var(--color-primary-light);
}

.search-input {
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 0.875rem 1.125rem;
    font-size: 1.0625rem;
    color: var(--color-text);
}

.search-input:focus {
    border: none;
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-input-large {
    min-height: 3.25rem;
    font-size: 1.125rem;
}

.search-btn {
    border-radius: calc(var(--radius-xl) - 4px);
    min-width: 7rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    flex-shrink: 0;
}

.search-icon-wrap {
    display: flex;
    align-items: center;
    padding-left: 1rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

/* Sections */
.section {
    padding: var(--space-section) 0;
}

.section-title {
    font-size: clamp(1.375rem, 3vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--color-text);
    margin-bottom: 0.35rem;
}

.section-lead {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    margin-bottom: 2rem;
    max-width: 540px;
}

.section-header-row {
    margin-bottom: 2rem;
}

.section-more-link {
    color: var(--color-primary);
    font-weight: 600;
}

/* UI Cards — shared component */
.ui-card,
.situation-card,
.category-card,
.article-card,
.popular-link {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.625rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-card), box-shadow var(--transition-card), border-color var(--transition-fast);
}

.ui-card:hover,
.situation-card:hover,
.category-card:hover,
.article-card:hover,
.popular-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-border);
}

.ui-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    font-size: 1.625rem;
    background: var(--color-surface-muted);
    border-radius: var(--radius);
    flex-shrink: 0;
    line-height: 1;
}

.ui-card-body {
    flex: 1;
    min-width: 0;
}

.ui-card-title,
.situation-name {
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin: 0 0 0.35rem;
    line-height: var(--line-height-tight);
}

.ui-card-desc,
.situation-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ui-card-chevron {
    display: flex;
    align-items: center;
    color: var(--color-text-muted);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.ui-card:hover .ui-card-chevron {
    opacity: 1;
    transform: translateX(0);
    color: var(--color-primary);
}

.situations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.situations-grid-after {
    margin-top: 1rem;
}

.situation-card-pending {
    opacity: 0.65;
    cursor: default;
    pointer-events: none;
}

.situation-card .situation-icon {
    display: none;
}

/* Popular / list cards */
.popular-list {
    gap: 0.75rem;
    max-width: none;
}

.popular-link {
    flex-direction: column;
    gap: 0.35rem;
}

.popular-title {
    color: var(--color-text);
    font-size: 1rem;
}

.popular-excerpt {
    font-size: 0.9375rem;
}

.home-list-section {
    background: var(--color-surface-alt);
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
}

/* Page header */
.page-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-subtle);
    padding: clamp(2rem, 5vw, 3rem) 0;
}

.page-title {
    color: var(--color-text);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.03em;
    max-width: none;
}

.page-lead {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

.breadcrumb {
    font-size: 0.8125rem;
    gap: 0.35rem 0.5rem;
}

.breadcrumb a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb span:last-child {
    color: var(--color-text-muted);
}

/* Search page */
.search-page-hero {
    text-align: center;
    padding-bottom: 1rem;
}

.search-page-inner {
    max-width: 720px;
}

.search-page-hero .page-title {
    margin-bottom: 1.25rem;
}

.search-results-section {
    padding-top: 1.5rem;
}

.search-results-meta {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
}

.search-empty-hint {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 36rem;
}

.search-articles-grid {
    grid-template-columns: 1fr;
}

.search-articles-grid .article-card-wrap {
    margin: 0;
}

/* Home: search OR situations */
.home-choice-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 720px;
    margin: 0 auto;
    padding: 0.5rem 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.home-choice-divider::before,
.home-choice-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.hero-situations {
    padding-bottom: clamp(1.25rem, 3vw, 2rem);
}

.life-situations-section {
    padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.search-group-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}

.search-hit {
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    background: var(--color-surface);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.search-hit:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.search-result-list {
    display: grid;
    gap: 0.5rem;
}

.search-result-list li {
    border: none;
}

/* Article page */
.article-hero {
    padding: clamp(2rem, 5vw, 3.5rem) 0 2rem;
    border-bottom: 1px solid var(--color-border-subtle);
    background: var(--color-bg);
}

.article-hero-inner {
    max-width: var(--reading-width);
    margin: 0 auto;
}

.article-hero-title {
    font-size: clamp(1.875rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--color-text);
    margin: 1rem 0 0.75rem;
}

.article-hero-lead {
    font-size: 1.1875rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.article-meta-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.375rem 0.875rem;
    background: var(--color-surface-muted);
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.article-content {
    padding-top: 2.5rem;
    padding-bottom: 4rem;
}

.article-content .content-body {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    max-width: var(--reading-width);
}

.article-section {
    border-bottom: 1px solid var(--color-border-subtle);
    padding-bottom: 2.5rem;
    margin-bottom: 2.5rem;
}

.article-section h2 {
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.article-lead {
    background: var(--color-primary-light);
    border: 1px solid rgba(13, 148, 136, 0.15);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.75rem;
}

.article-lead h2 {
    color: var(--color-primary-dark);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.article-toc {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
}

/* Next step block */
.next-step-block {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-surface-alt) 100%);
    border: 1px solid rgba(13, 148, 136, 0.2);
    border-radius: var(--radius-lg);
    padding: 1.75rem 2rem;
    margin: 2.5rem 0;
}

.next-step-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.next-step-route {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.next-step-route a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.next-step-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.125rem 1.375rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-card), box-shadow var(--transition-card);
    margin-top: 0.5rem;
}

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

.next-step-card-title {
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--color-text);
}

.next-step-arrow {
    color: var(--color-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Situations on article */
.article-situations-block {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.75rem 2rem;
    margin-top: 0;
}

.article-situations-block h2 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.article-situations-list {
    display: grid;
    gap: 0.625rem;
}

.article-situation-item {
    padding: 0;
}

.article-situation-link {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.625rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    text-decoration: none;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.article-situation-link:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.article-situation-emoji {
    font-size: 1.125rem;
    line-height: 1;
}

.article-situation-root,
.article-situation-leaf {
    font-weight: 600;
    color: var(--color-text);
}

.article-situation-arrow {
    color: var(--color-text-muted);
}

/* Situation detail */
.situation-route-header {
    align-items: center;
}

.situation-route-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    font-size: 2rem;
    background: var(--color-surface-muted);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.situation-route-header .situation-route-icon {
    display: none;
}

.situation-step-card {
    border: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-lg);
    transition: box-shadow var(--transition-card);
}

.situation-step-card:hover {
    box-shadow: var(--shadow-md);
}

.situation-articles-list {
    display: grid;
    gap: 0.5rem;
}

.situation-article-item {
    border: none;
}

.situation-article-link {
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    background: var(--color-surface);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.situation-article-link:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
    color: var(--color-primary);
}

/* Article cards grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    max-width: none;
}

.article-card {
    flex-direction: column;
    height: 100%;
}

.article-card h2 {
    color: var(--color-text);
    font-size: 1.0625rem;
}

.article-category {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 999px;
    padding: 0.2rem 0.625rem;
    font-size: 0.6875rem;
}

/* Footer */
.site-footer {
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border-subtle);
    padding: 2.5rem 0 1.5rem;
}

.footer-brand strong {
    color: var(--color-text);
}

.footer-copy {
    border-top-color: var(--color-border-subtle);
    opacity: 1;
}

.footer-admin .btn-outline {
    color: var(--color-text);
    border-color: var(--color-border);
    background: var(--color-surface);
}

.footer-admin-panel {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

/* Empty state */
.empty-state {
    background: var(--color-surface-alt);
    border-color: var(--color-border-subtle);
    border-radius: var(--radius-lg);
}

/* Share bar */
.share-bar {
    border-top-color: var(--color-border-subtle);
}

.share-btn {
    background: var(--color-surface);
    border-color: var(--color-border-subtle);
}

.share-btn:hover {
    background: var(--color-surface-muted);
    border-color: var(--color-border);
}

/* Responsive */
@media (max-width: 640px) {
    .search-form {
        flex-direction: column;
        align-items: stretch;
        padding: 0.75rem;
        border-radius: var(--radius-lg);
        gap: 0.5rem;
    }

    .search-input,
    .search-input-large {
        width: 100%;
        min-width: 0;
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }

    .search-btn {
        width: 100%;
        min-width: 0;
        border-radius: var(--radius);
    }

    .search-icon-wrap {
        display: none;
    }

    .search-page-hero {
        padding: 1.5rem 0 1rem;
    }

    .search-page-hero .page-title {
        font-size: 1.375rem;
        margin-bottom: 1rem;
    }

    .search-results-section {
        padding-top: 1rem;
    }

    .home-choice-divider {
        padding: 0.25rem 1.25rem;
        font-size: 0.8125rem;
    }

    .hero-situations {
        padding: 1.75rem 0 1.25rem;
    }

    .hero-title {
        font-size: 1.625rem;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 1.25rem;
    }

    .ui-card-chevron {
        display: none;
    }

    .section {
        padding: 2rem 0;
    }

    .next-step-block,
    .article-situations-block {
        padding: 1.25rem 1.375rem;
    }

    .situations-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}