/* WP-Lab Admin — style sobre, dense en information, pensé pour un usage
   quotidien répétitif par un enseignant, pas une vitrine produit. */

:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --border: #e2e5ea;
    --text: #1c2128;
    --text-muted: #5b6472;
    --primary: #2952e3;
    --primary-hover: #1f3fc0;
    --success-bg: #e6f6ed;
    --success-text: #1a7f4e;
    --error-bg: #fbe9e9;
    --error-text: #b3261e;
    --warn-bg: #fff4e0;
    --warn-text: #8a5700;
    --radius: 6px;
    --mono: "SF Mono", "Consolas", "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

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

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

/* --- Topbar --- */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 28px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
.topbar-brand {
    font-weight: 700;
    font-size: 17px;
    color: var(--text);
}
.topbar-brand span { color: var(--primary); font-weight: 400; }
.topbar-nav { display: flex; gap: 20px; align-items: center; font-size: 14px; }
.topbar-user { color: var(--text-muted); }

.main-content {
    max-width: 1080px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

/* --- Flash messages --- */
.flash-container { margin-bottom: 24px; }
.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 8px;
    font-size: 14px;
}
.flash-success { background: var(--success-bg); color: var(--success-text); }
.flash-error { background: var(--error-bg); color: var(--error-text); }

/* --- Cards & layout --- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-header h1 { margin: 0; font-size: 22px; }
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: var(--bg); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { color: var(--error-text); border-color: var(--error-bg); }
.btn-danger:hover { background: var(--error-bg); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* --- Forms --- */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-muted);
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="file"] {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
}
.form-inline { display: flex; gap: 8px; align-items: flex-end; }
.form-inline .form-group { margin-bottom: 0; flex: 1; }

/* --- Table --- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    padding: 10px 12px;
    border-bottom: 2px solid var(--border);
}
td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }

/* --- Status badges --- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}
.badge-actif { background: var(--success-bg); color: var(--success-text); }
.badge-en_attente { background: var(--warn-bg); color: var(--warn-text); }
.badge-en_cours { background: var(--warn-bg); color: var(--warn-text); }
.badge-erreur { background: var(--error-bg); color: var(--error-text); }

.mono { font-family: var(--mono); font-size: 13px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 13px; }

.classe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}
.classe-tile {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    color: var(--text);
}
.classe-tile:hover { border-color: var(--primary); text-decoration: none; }
.classe-tile h3 { margin: 0 0 6px; font-size: 16px; }
.classe-tile .nb { color: var(--text-muted); font-size: 13px; }

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.action-log {
    font-family: var(--mono);
    font-size: 12px;
    white-space: pre-wrap;
    background: #0d1117;
    color: #c9d1d9;
    padding: 12px;
    border-radius: var(--radius);
    max-height: 240px;
    overflow-y: auto;
    margin-top: 8px;
    display: none;
}
.action-log.visible { display: block; }

.spinner {
    display: inline-block;
    width: 12px; height: 12px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }