* { box-sizing: border-box; }
body {
    font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: #f4f6f8;
    color: #1f2933;
    margin: 0;
}
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-box {
    background: #fff;
    padding: 32px 36px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 420px;
    text-align: center;
}
.login-logo { margin: 0 0 20px; }
.login-logo img { max-width: 260px; width: 100%; height: auto; }
.login-box h1 { font-size: 18px; margin: 0 0 20px; color: #1f4e79; text-align: center; }
.login-box form { text-align: left; }
.subtitle { color: #6b7280; margin: 0 0 20px; font-size: 14px; }
.login-box label { display:block; font-size: 13px; margin: 12px 0 4px; color:#374151; }
.login-box input {
    width: 100%;
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
}
.login-box button {
    margin-top: 20px;
    width: 100%;
    padding: 10px;
    background: #1f4e79;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
}
.login-box button:hover { background: #163a5c; }
.alert-error {
    background: #fdecea; color: #b3261e; padding: 10px 12px;
    border-radius: 6px; font-size: 13px; margin-bottom: 10px;
}
.alert-ok {
    background: #e7f6ec; color: #1e7d32; padding: 10px 12px;
    border-radius: 6px; font-size: 13px; margin-bottom: 10px;
}
.alert-warning {
    background: #fff8e1; color: #8a6d00; padding: 10px 12px;
    border-radius: 6px; font-size: 13px; margin-top: 16px;
}

/* --- Layout general de la extranet --- */
.topbar {
    background: #1f4e79;
    color: #fff;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar a { color: #fff; text-decoration: none; font-size: 14px; }
.container { padding: 24px; max-width: 1200px; margin: 0 auto; }
.cards { display: flex; gap: 20px; flex-wrap: wrap; }
.card {
    background: #fff; border-radius: 8px; padding: 24px; flex: 1;
    min-width: 240px; box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    text-decoration: none; color: inherit;
}
.card h2 { margin: 0 0 8px; font-size: 17px; color:#1f4e79; }
.card p { margin: 0; color: #6b7280; font-size: 13px; }

table.dataTable { font-size: 13px; }
.modal-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    align-items: center; justify-content: center; z-index: 1000;
}
.modal-overlay.open { display: flex; }
.modal-box {
    background: #fff; border-radius: 8px; padding: 24px;
    max-width: 520px; width: 90%; max-height: 80vh; overflow-y: auto;
}
.modal-box h3 { margin-top:0; }
.modal-close { float: right; cursor: pointer; font-size: 20px; color:#6b7280; }
.btn-small {
    font-size: 12px; padding: 4px 8px; border-radius: 4px; border: 1px solid #1f4e79;
    background: #fff; color: #1f4e79; cursor: pointer; margin-right: 4px;
}
.btn-small:hover { background: #1f4e79; color: #fff; }