* { box-sizing: border-box; }
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: #f4f6f8; margin: 0; padding: 2rem; color: #1f2937; }
.container { max-width: 900px; margin: 0 auto; background: #fff; padding: 2rem; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,.06); }
h1 { margin-top: 0; margin-bottom: 30px; text-align: center; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.field { display: flex; flex-direction: column; flex: 1 1 200px; min-width: 0; }
.field.grow-2 { flex: 2 1 320px; }
label { font-weight: 600; margin-bottom: .35rem; font-size: .9rem; }
input, select { padding: .6rem .75rem; border: 1px solid #d1d5db; border-radius: 8px; font-size: 1rem; background: #fff; }
input:focus, select:focus { outline: none; border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,.2); }
input.invalid, select.invalid { border-color: #dc2626; }
.error { color: #dc2626; font-size: .8rem; min-height: 1rem; margin-top: .25rem; }
.btn { background: #2563eb; color: #fff; border: 0; padding: .75rem 1.5rem; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; }
.btn:hover { background: #1d4ed8; }
.alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.btn-submit {margin-top:20px; text-align: center; }
/* Radio groups */
.radio-group {
    border: 1px solid #d1d5db;
    border-radius: 8px;
    padding: 0.6rem 1rem 0.75rem;
    margin: 0;
}
.radio-group legend {
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0 0.35rem;
    color: #1f2937;
}
.radio-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-right: 1.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 400;
}
.radio-label input[type="radio"] {
    width: 16px;
    height: 16px;
    padding: 0;
    border: none;
    accent-color: #2563eb;
    cursor: pointer;
}

/* ============================================
   BACKOFFICE — Suivi des fiches
   ============================================ */
.bo-container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 1rem;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

.bo-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.bo-header h1 {
    margin: 0;
    font-size: 1.6rem;
}

.bo-count {
    margin: 0;
    color: #666;
    font-size: 0.95rem;
}

.bo-link {
    margin-left: auto;
    background: #2563eb;
    color: #fff;
    padding: 0.55rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
}
.bo-link:hover { background: #1d4ed8; }

.bo-empty {
    text-align: center;
    color: #777;
    padding: 3rem 0;
}

.bo-table-wrapper {
    overflow-x: auto;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.bo-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.bo-table thead {
    background: #f8fafc;
    border-bottom: 2px solid #e5e7eb;
}

.bo-table th,
.bo-table td {
    padding: 0.7rem 0.85rem;
    text-align: left;
    white-space: nowrap;
}

.bo-table th {
    font-weight: 600;
    color: #374151;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.bo-table tbody tr {
    border-bottom: 1px solid #f1f5f9;
    transition: background 0.15s;
}

.bo-table tbody tr:hover { background: #f9fafb; }

.bo-table tbody tr.is-ok {
    background: #ecfdf5;
}
.bo-table tbody tr.is-ok:hover { background: #d1fae5; }

.bo-ok-cell {
    text-align: center;
}

.bo-ok-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #16a34a;
}

/* Header logo */
.page-header { display: flex; justify-content: center; padding: 20px 0 10px; }
.page-header .logo { max-width: 360px; width: 100%; height: auto; }

/* Page de remerciement */
.merci-container { max-width: 720px; margin: 60px auto; padding: 0 20px; text-align: center; }
.merci-card { background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 40px 30px; box-shadow: 0 4px 14px rgba(0,0,0,0.04); }
.merci-card h1 { color: #1f8fb8; margin: 20px 0 16px; font-size: 1.6rem; }
.merci-card p { font-size: 1.05rem; line-height: 1.55; color: #333; }

/* ===== Login ===== */
.login-container { max-width: 420px; margin: 60px auto; padding: 0 16px; }
.login-card {
    background: #fff; border-radius: 12px; padding: 32px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.08);
}
.login-card h1 { margin: 0 0 20px; color: #1f8fb8; font-size: 1.5rem; text-align: center; }
.login-error {
    background: #fde8e8; color: #b91c1c; border: 1px solid #f5b5b5;
    padding: 10px 12px; border-radius: 8px; margin-bottom: 16px; font-size: 0.95rem;
}
.bo-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.bo-user { color: #555; font-size: 0.9rem; }
.bo-logout {
    color: #b91c1c; text-decoration: none; font-weight: 600; font-size: 0.9rem;
}
.bo-logout:hover { text-decoration: underline; }