:root {
    --mallard-primary: #990e5e;
    --mallard-secondary: #1b154a;
    --mallard-dark: #0d0928;
    --background: #f4f2f8;
    --muted: #5b5670;
    --border: #ddd8e8;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--background);
    color: var(--mallard-dark);
    font-family: Roboto, "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

a { color: var(--mallard-primary); }

.topbar {
    background: var(--mallard-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.topbar-inner,
.page,
.legal-inner {
    width: min(1024px, calc(100% - 32px));
    margin: 0 auto;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
}

.topbar img.logo {
    display: block;
    height: 36px;
    width: auto;
}

.help {
    text-align: right;
    color: #fff;
}

.help p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.help a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-weight: 500;
    text-decoration: none;
}

.help a:hover { color: var(--mallard-primary); }

.help img { width: 18px; height: 18px; }

main { flex: 1; }

.page {
    width: min(720px, calc(100% - 32px));
    margin: 40px auto;
    background: #fff;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.1);
}

.kicker {
    margin: 0;
    color: var(--mallard-primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

h1 {
    margin: 4px 0 12px;
    color: var(--mallard-secondary);
    font-size: 30px;
    font-weight: 600;
    line-height: 1.2;
}

p { color: #334155; }

.firm {
    display: block;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 14px 10px;
    margin: 0 0 12px;
    cursor: pointer;
    color: var(--mallard-dark);
}

.firm:has(input:checked) {
    border: 2px solid var(--mallard-primary);
    background: rgba(153, 14, 94, 0.1);
}

.firm input {
    accent-color: var(--mallard-primary);
    margin-right: 8px;
}

.detail {
    margin: 4px 0 0 26px;
    color: var(--muted);
    font-size: 14px;
}

button {
    background: var(--mallard-primary);
    color: #fff;
    border: 0;
    border-radius: 8px;
    padding: 12px 18px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
}

button:hover { background: #7d0b4d; }

.message,
.warning {
    border-radius: 6px;
    padding: 12px 16px;
}

.message {
    background: rgba(153, 14, 94, 0.1);
    border: 2px solid var(--mallard-primary);
    color: var(--mallard-secondary);
}

.warning {
    background: #fff4e5;
    color: #7a4b00;
}

footer {
    background: var(--mallard-dark);
    color: rgba(255, 255, 255, 0.8);
}

.legal-inner {
    padding: 28px 0 32px;
    font-size: 14px;
}

.legal-inner p { margin: 0 0 6px; color: rgba(255, 255, 255, 0.8); }

.legal-inner a { color: #fff; }

@media (max-width: 640px) {
    .topbar-inner { padding: 12px 0; gap: 12px; }
    .topbar img.logo { height: 28px; }
    .help p { display: none; }
    .help a { font-size: 14px; }
    .page { padding: 20px 16px 24px; margin: 24px auto; }
    h1 { font-size: 24px; }
    button { width: 100%; }
}