/* ============================================================
   admin.css — Design system de l'interface d'administration
   Mobile-first : iPhone et desktop.
   ============================================================ */

:root {
    --bg: #f4f6f9;
    --surface: #ffffff;
    --text: #1f2933;
    --muted: #64748b;
    --border: #e2e8f0;
    --primary: #2f855a;
    --primary-dark: #276749;
    --primary-light: #e7f4ec;
    --blue: #2b6cb0;
    --blue-dark: #2c5282;
    --danger: #e53e3e;
    --danger-dark: #c53030;
    --gray: #64748b;
    --gray-dark: #475569;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 1px 2px rgba(16, 24, 40, 0.04);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 15px;
}

h1 { font-size: 22px; font-weight: 700; margin: 0 0 4px; }
h2 { font-size: 18px; font-weight: 700; margin: 0 0 12px; }
p  { margin: 0 0 12px; }
a  { color: var(--primary); }

/* --- Layout --- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px;
}
@media (min-width: 768px) {
    .container { padding: 24px; }
}

.page-head { margin-bottom: 4px; }
.page-head .desc {
    color: var(--muted);
    font-size: 14px;
    margin: 4px 0 0;
}

/* --- Boutons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    line-height: 1.2;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}
.btn:hover { background: #f1f5f9; }
.btn:active { background: #e2e8f0; }

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

.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-dark); }

/* Variantes colorées (boutons des popups) */
.btn-save   { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-save:hover   { background: var(--primary-dark); }
.btn-add    { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-add:hover    { background: var(--blue-dark); }
.btn-delete { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-delete:hover { background: var(--danger-dark); }
.btn-close  { background: var(--gray); border-color: var(--gray); color: #fff; }
.btn-close:hover  { background: var(--gray-dark); }

/* Barre d'outils : rangée de boutons (pleine largeur sur mobile) */
.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}
.toolbar .btn { flex: 1 1 auto; }
@media (min-width: 768px) {
    .toolbar { align-items: center; }
    .toolbar .btn { flex: 0 0 auto; }
}

/* --- Cartes --- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    margin-bottom: 16px;
}
@media (min-width: 768px) {
    .card { padding: 20px; }
}

/* --- Formulaires --- */
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
@media (min-width: 640px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
        align-items: end;
    }
}
.form-group { display: flex; flex-direction: column; }
.form-group--full { grid-column: 1 / -1; }

label {
    font-weight: 600;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 5px;
    display: block;
}

input, select, textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    border: 1px solid #cbd5e0;
    border-radius: 8px;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}
textarea { resize: vertical; min-height: 80px; }

.search-bar { display: flex; flex-wrap: wrap; gap: 8px; }
.search-bar input { flex: 1 1 200px; }

/* --- Tables (responsive : défilement horizontal sur mobile) --- */
.table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.table-wrap table {
    width: 100%;
    border-collapse: collapse;
}
.table-wrap th,
.table-wrap td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid #edf2f7;
    vertical-align: top;
}
.table-wrap thead th {
    background: #f8fafc;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--muted);
    white-space: nowrap;
}
.table-wrap tbody tr:nth-child(even) { background: #f9fafb; }
.table-wrap tbody tr:hover { background: var(--primary-light); }
.table-wrap tbody tr:last-child td { border-bottom: none; }
.table-wrap a { font-weight: 600; text-decoration: none; color: var(--primary); }
.table-wrap a:hover { text-decoration: underline; }

@media (max-width: 640px) {
    .table-wrap table { min-width: 720px; }
    .table-wrap th,
    .table-wrap td { padding: 8px 10px; font-size: 13px; }
}

/* --- En-tête de site (logo + nom) --- */
.site-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0 4px;
}
.site-header .brand-logo {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    object-fit: cover;
    background: #fff;
    box-shadow: var(--shadow);
    flex: 0 0 auto;
}
.site-header .brand-name {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    line-height: 1.25;
}
.site-header .brand-tag {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 13px;
}

/* --- Bannière (page d'accueil) --- */
.banner {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin: 16px 0 20px;
    color: #fff;
    background-color: var(--primary-dark);
    background-size: cover;
    background-position: center;
    min-height: 180px;
    display: flex;
    align-items: center;
}
.banner .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, rgba(23, 58, 40, 0.88) 0%, rgba(23, 58, 40, 0.55) 55%, rgba(31, 41, 51, 0.30) 100%);
}
.banner .banner-inner {
    position: relative;
    padding: 40px 24px;
    max-width: 640px;
}
.banner h1 { color: #fff; font-size: 26px; margin: 0 0 8px; }
.banner p { color: #fff; opacity: 0.92; font-size: 16px; margin: 0; }
@media (min-width: 768px) {
    .banner .banner-inner { padding: 52px 40px; }
    .banner h1 { font-size: 34px; }
}

/* --- Pied de page --- */
.site-footer {
    margin-top: 36px;
    padding: 20px 0 4px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}
.site-footer a { color: var(--primary); }

/* --- Note de mise en garde --- */
.notice {
    background: #fff8e6;
    border: 1px solid #f0d98c;
    border-left: 4px solid #e0a800;
    border-radius: 8px;
    padding: 14px 16px;
    margin: 16px 0;
    color: #5a4a12;
    font-size: 14px;
    line-height: 1.55;
}
.notice strong {
    display: block;
    color: #7a5c00;
    font-size: 14px;
    margin-bottom: 4px;
}