:root {
    /* Palette principale en HSL */
    --bg-color: hsl(210, 33%, 97%);
    --card-bg: hsl(0, 0%, 100%);
    --text-main: hsl(207, 29%, 24%);
    --text-muted: hsl(208, 7%, 46%);
    --heading-color: hsl(215, 28%, 17%);
    
    /* Accents MTC en HSL */
    --accent-wood: hsl(25, 41%, 40%);
    --accent-earth: hsl(32, 95%, 44%);
    --accent-water: hsl(221, 83%, 53%);
    --border-color: hsl(220, 13%, 91%);
    
    /* Cartes & En-têtes */
    --header-bg: hsl(30, 100%, 96%);
    --header-border: hsl(28, 96%, 83%);
    --header-title: hsl(15, 86%, 30%);
    
    /* Badges Syndromes */
    --tag-bg: hsl(28, 100%, 92%);
    --tag-text: hsl(15, 89%, 40%);
    --tag-border: hsl(27, 96%, 73%);
    
    /* Bloc analyse MTC */
    --analysis-bg: hsl(210, 40%, 98%);
    --analysis-title: hsl(215, 25%, 27%);
    
    /* Hover & Ombres */
    --hover-border: hsl(213, 27%, 84%);
    --shadow-light: hsla(0, 0%, 0%, 0.05);
    --shadow-dark: hsla(0, 0%, 0%, 0.03);
    
    /* Badges d'effort / Flemme */
    --effort-1-bg: hsl(142, 77%, 93%);
    --effort-1-text: hsl(142, 72%, 29%);
    
    --effort-2-bg: hsl(54, 92%, 90%);
    --effort-2-text: hsl(42, 87%, 33%);
    
    --effort-3-bg: hsl(204, 94%, 94%);
    --effort-3-text: hsl(199, 96%, 33%);

    --radius: 12px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding: 20px;
}

header {
    max-width: 900px;
    margin: 0 auto 30px auto;
    text-align: center;
}

header h1 {
    font-size: 2.2rem;
    color: var(--heading-color);
    margin-bottom: 8px;
}

header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.search-container {
    max-width: 900px;
    margin: 0 auto 30px auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.search-bar {
    width: 100%;
    padding: 14px 20px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.2s;
    background: var(--card-bg);
}

.search-bar:focus {
    border-color: var(--accent-earth);
}

.syndromes-filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.syndrome-filter-btn {
    background: var(--card-bg);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.syndrome-filter-btn:hover {
    border-color: var(--accent-earth);
    color: var(--text-main);
}

.syndrome-filter-btn.active {
    background: var(--tag-bg);
    color: var(--tag-text);
    border-color: var(--tag-border);
    font-weight: 700;
}

.cards-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: 0 4px 6px -1px var(--shadow-light), 0 2px 4px -1px var(--shadow-dark);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.card-header {
    background: var(--header-bg);
    padding: 18px 24px;
    border-bottom: 1px solid var(--header-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.card-header h2 {
    font-size: 1.4rem;
    color: var(--header-title);
}

.syndromes-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.syndrome-tag {
    background: var(--tag-bg);
    color: var(--tag-text);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--tag-border);
}

.card-body {
    padding: 24px;
}

.mtc-analysis {
    background: var(--analysis-bg);
    border-left: 4px solid var(--accent-earth);
    padding: 16px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.mtc-analysis h3 {
    font-size: 1rem;
    color: var(--analysis-title);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mtc-analysis ul {
    list-style: none;
    margin-top: 8px;
}

.mtc-analysis li {
    margin-bottom: 4px;
}

.alternatives-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--heading-color);
}

.alternatives-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Carte alternative avec overflow hidden pour coller le badge aux bords */
.alt-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    overflow: hidden;
    transition: border-color 0.1s ease;
}

.alt-item:hover {
    border-color: var(--hover-border);
}

.alt-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Badge de flemme pleine largeur (sans aucune marge) */
.effort-badge {
    width: 100%;
    font-size: 0.75rem;
    padding: 8px 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.effort-1 {
    background: var(--effort-1-bg);
    color: var(--effort-1-text);
}

.effort-2 {
    background: var(--effort-2-bg);
    color: var(--effort-2-text);
}

.effort-3 {
    background: var(--effort-3-bg);
    color: var(--effort-3-text);
}

.alt-name {
    font-weight: 700;
    font-size: 1.05rem;
    color: hsl(222, 47%, 11%);
}

.alt-benefit {
    font-size: 0.9rem;
    color: hsl(215, 19%, 35%);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* Boutons de mode logique et de partage */
.controls-group {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.logic-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f1f3f5;
    padding: 4px;
    border-radius: 8px;
}

.logic-btn {
    border: none;
    background: transparent;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.logic-btn.active {
    background: #2b8a3e;
    color: white;
}

.share-btn {
    background: #1864ab;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}

.share-btn:hover {
    background: #15528d;
}

/* Tag mis en valeur lorsqu'il fait partie du filtre actif */
.syndrome-tag.highlight {
    border: 2px solid #2b8a3e;
    font-weight: bold;
}

/* Toast de confirmation */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #2b8a3e;
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}