body {
    font-family: 'DM Sans', Arial, sans-serif;
    background: #F5F3EE;
    margin: 0; padding: 20px;
}
.container {
    max-width: 1000px;
    background: #fff;
    padding: 20px;
    margin: auto;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(11,35,66,0.08);
    border: 2px solid #C9963A;
}
input[type="text"], input[type="number"], select {
    width: 100%; padding: 10px;
    margin: 10px 0 20px 0;
    border: 1px solid #ccc; border-radius: 4px;
}
input:focus, select:focus {
    border-color: #C9963A; outline: none;
    box-shadow: 0 0 0 2px rgba(201,150,58,0.2);
}
button {
    padding: 10px 20px;
    background: #C9963A; color: #fff;
    border: none; border-radius: 50px; cursor: pointer;
    font-family: 'Josefin Sans', Arial, sans-serif;
    font-weight: 700; transition: background 0.2s;
}
button:hover { background: #0B2342; }
.result { background: #f9f6f0; padding: 15px; border-radius: 4px; border: 1px solid #C9963A; }
h2 {
    color: #0B2342; text-align: center;
    font-family: 'Josefin Sans', Arial, sans-serif;
    position: relative; padding-bottom: 10px;
}
h2::after {
    content: ""; display: block;
    width: 100%; height: 2px;
    background: #C9963A;
    margin: 12px auto 0 auto; border-radius: 2px;
}
.donataire label { display: block; margin-bottom: 5px; }
.donataire input[type="number"] { width: 96%; display: inline-block; }
.btn-vert { background: #C9963A; color: #fff; }
.btn-vert:hover { background: #0B2342; }
table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
th, td { border: 1px solid #ccc; padding: 8px; text-align: center; }
th { background: #0B2342; color: #fff; }
.btn-bleu {
    background: #C9963A; color: #fff; padding: 10px 20px;
    border: none; border-radius: 50px; text-decoration: none;
    display: inline-block; cursor: pointer; font-size: 16px;
}
.btn-bleu:hover { background: #0B2342; }
.donateur-age-group { margin: 0; display: flex; flex-direction: column; }
.donateur-age-group label {
    margin: 0 !important; padding: 0 !important;
    display: flex; align-items: center; gap: 2px !important;
    line-height: 1.1 !important; font-weight: normal;
}
.donateur-age-section { margin: 15px 0; padding: 10px; border: 1px solid #C9963A; background: #f9f9f9; }
input[type="checkbox"] {
    margin: 0 4px 0 0 !important; padding: 0 !important;
    width: auto !important; height: 16px !important;
    vertical-align: middle !important; accent-color: #C9963A;
}
.bleu-titre { color: #0B2342; font-weight: bold; }
fieldset { border: 1px solid #C9963A; padding: 12px 14px 14px; border-radius: 6px; margin-bottom: 18px; }
fieldset legend { font-weight: bold; color: #0B2342; font-size: 0.95em; }
.two-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px,1fr)); gap: 12px 18px; }
.val-calc { background: #f5f7fa; padding: 8px 10px; border-radius: 4px; font-size: 0.85em; border: 1px solid #C9963A; margin-top: 8px; }
.calc-part { font-size: 0.85em; color: #C9963A; font-weight: bold; margin-top: 4px; }
.warning { background: #ffe9c7; border: 1px solid #C9963A; padding: 8px 10px; border-radius: 4px; color: #7a4d00; font-size: 0.85em; margin-top: 8px; }
.muted { color: #666; font-size: 0.7em; line-height: 1.3; }