:root {
    --text: #1a1a1a;
    --muted: #555;
    --border: #ccc;
    --accent: #1c4b73;
    --bg: #f6f6f4;
    --error: #8b1e1e;
    --ok: #1e5a32;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.45;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 1.25rem; }
.site-header { background: #fff; border-bottom: 1px solid var(--border); }
.header-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
nav a { margin-left: 1rem; color: var(--accent); }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.15rem; }
.form .field, .field { margin-bottom: 0.9rem; }
label { display: block; margin-bottom: 0.25rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"], select, textarea {
    width: 100%;
    max-width: 40rem;
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--border);
    font: inherit;
    background: #fff;
}
.radio { display: flex; gap: 0.5rem; align-items: flex-start; margin: 0.4rem 0; }
.tarif-group { margin-bottom: 1rem; }
.extra-fields { margin: 0.5rem 0 0.5rem 1.5rem; padding: 0.5rem; border-left: 2px solid var(--border); }
.btn {
    background: var(--accent);
    color: #fff;
    border: 0;
    padding: 0.45rem 0.9rem;
    font: inherit;
    cursor: pointer;
}
.btn-small { padding: 0.2rem 0.5rem; font-size: 0.9rem; }
.req { color: var(--error); }
.flash { padding: 0.6rem 0.8rem; border: 1px solid var(--border); background: #fff; }
.flash-error { border-color: var(--error); color: var(--error); }
.flash-success { border-color: var(--ok); color: var(--ok); }
.table { width: 100%; border-collapse: collapse; background: #fff; }
.table th, .table td { border: 1px solid var(--border); padding: 0.4rem 0.5rem; text-align: left; vertical-align: top; }
.inline-form { display: flex; gap: 0.4rem; align-items: center; }
.inline-form select { width: auto; max-width: 14rem; }
.narrow { max-width: 24rem; }
.hint { color: var(--muted); }
code { font-family: ui-monospace, monospace; }