:root {
    --primary: #f97316;          /* Orange chaud principal */
    --primary-hover: #ea580c;
    --primary-gradient: linear-gradient(135deg, #f97316, #fb923c);
    --danger: #ef4444;           /* Rouge suppression propre */
    --danger-bg: #fef2f2;
    --success: #10b981;          /* Vert frais */
    --bg-app: #fcfaf7;           /* Fond crème mat ultra-doux */
    --card-bg: #ffffff;
    --text-main: #1e293b;        /* Texte sombre contrasté */
    --text-muted: #64748b;       /* Texte secondaire */
    --border: #e2e8f0;           /* Bordure propre et neutre */
    --border-focus: #f97316;
    --radius: 14px;              /* Arrondis harmonieux */
    
    /* Ombres neutres, propres et professionnelles (fin du halo orange baveux) */
    --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
    
    /* Couleurs des badges macro-nutriments */
    --tag-kcal-bg: #fff7ed; --tag-kcal-text: #c2410c; --tag-kcal-border: #ffedd5;
    --tag-prot-bg: #fdf2f8; --tag-prot-text: #be185d; --tag-prot-border: #fce7f3;
    --tag-gluc-bg: #fefce8; --tag-gluc-text: #a16207; --tag-gluc-border: #fef9c3;
    --tag-lip-bg:  #f0fdf4; --tag-lip-text:  #15803d; --tag-lip-border:  #dcfce7;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    padding-bottom: 110px;
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
}

/* En-tête de page */
header {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 1.15rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-subtle);
}

header h1 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #1e293b, #f97316);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.trimestre-badge {
    background: #ffedd5;
    color: #c2410c;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Conteneurs principaux & Cartes */
main {
    max-width: 750px;
    margin: 1.5rem auto;
    padding: 0 1rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-card);
}

.card h2 {
    margin-top: 0;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.15rem;
    letter-spacing: -0.2px;
}

/* Navigation basse tactile */
nav.app-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: 0.6rem 0.5rem;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.04);
    z-index: 1000;
}

nav.app-nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
    flex: 1;
    padding: 0.4rem 0;
    border-radius: 12px;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
}

nav.app-nav a.active {
    color: var(--primary);
    background: #ffedd5;
    font-weight: 700;
}

/* Boutons tactiles homogènes et propres */
button, .btn {
    background: var(--primary-gradient);
    color: white;
    border: none;
    height: 48px;              /* Hauteur fixe standardisée */
    padding: 0 1.25rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    transition: filter 0.15s ease, transform 0.1s ease;
    box-shadow: 0 2px 6px rgba(249, 115, 22, 0.2);
}

button:hover {
    filter: brightness(1.05);
}

button:active {
    transform: scale(0.98);
}

/* --- CHAMPS DE SAISIE ET MENUS DÉROULANTS --- */
select, input[type="text"], input[type="number"] {
    width: 100% !important;
    height: 48px !important;
    min-height: 48px !important;
    padding: 0 1rem !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    font-size: 0.95rem !important;
    background-color: #ffffff !important;
    color: var(--text-main) !important;
    box-sizing: border-box !important;
    margin-top: 0.3rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-subtle);
}

/* Style élégant pour masquer le select natif et appliquer une flèche sur mesure */
select {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3e%3Cpolyline points='6 9 12 15 18 9'%3e%3C/polyline%3e%3C/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 1rem center !important;
    background-size: 1.1em !important;
    padding-right: 2.8rem !important;
    cursor: pointer;
}

select:focus, input:focus {
    outline: none !important;
    border-color: var(--border-focus) !important;
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.12) !important;
}

/* --- LIGNE DE COMPOSITION FLEXBOX --- */
.ligne-aliment {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 12px;
    width: 100%;
}

.ligne-aliment select {
    flex: 1;                 /* Occupe toute la largeur disponible */
    margin-bottom: 0 !important;
}

/* --- BOUTON DE SUPPRESSION --- */
.btn-danger {
    background: var(--danger-bg) !important;
    color: var(--danger) !important;
    border: 1px solid #fecaca !important;
    width: 48px !important;
    height: 48px !important;
    min-width: 48px !important;
    min-height: 48px !important;
    flex-shrink: 0;
    box-shadow: none !important;
    font-size: 1.1rem;
    padding: 0 !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius) !important;
}

.btn-danger:hover {
    background: #fee2e2 !important;
}

/* Puces / Chips tactiles des convives */
.convives-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 1rem;
}

.convive-chip {
    display: flex;
    align-items: center;
    padding: 0.85rem 1rem;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-subtle);
}

.convive-chip input {
    display: none;
}

.convive-chip.selected {
    background: #fff7ed;
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 2px 6px rgba(249, 115, 22, 0.1);
}

/* Badges macros colorés */
.macro-badge {
    padding: 6px 4px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
}

.macro-kcal { background: var(--tag-kcal-bg); color: var(--tag-kcal-text); border-color: var(--tag-kcal-border); }
.macro-prot { background: var(--tag-prot-bg); color: var(--tag-prot-text); border-color: var(--tag-prot-border); }
.macro-gluc { background: var(--tag-gluc-bg); color: var(--tag-gluc-text); border-color: var(--tag-gluc-border); }
.macro-lip  { background: var(--tag-lip-bg);  color: var(--tag-lip-text);  border-color: var(--tag-lip-border); }