:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #5f6672;
  --line: #dfe3ea;
  --primary: #111111;
  --accent: #0b6efd;
  --success: #16a34a;
  --danger: #dc2626;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #eef3ff 0%, var(--bg) 45%);
  min-height: 100%;
}

body {
  min-height: 100vh;
}

main {
  min-height: 100vh;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card {
  width: 100%;
  max-width: 560px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 14px 36px rgba(16, 24, 40, 0.08);
}

.title {
  margin: 0 0 8px;
  font-size: 30px;
  line-height: 1.15;
}

.subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.5;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.button {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  color: var(--text);
  background: #fff;
  cursor: pointer;
}

.button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.button.accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.button.ghost {
  background: transparent;
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.meta {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eef2ff;
  color: #334155;
  border: 1px solid #c9d7ff;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

.alert {
  margin: 12px 0;
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #fafafa;
  font-size: 14px;
  line-height: 1.4;
}

.alert.success {
  border-color: #86efac;
  background: #f0fdf4;
  color: #166534;
}

.alert.error {
  border-color: #fca5a5;
  background: #fef2f2;
  color: #991b1b;
}

.hidden {
  display: none !important;
}

form {
  display: grid;
  gap: 12px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cdd3dd;
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 15px;
  color: var(--text);
  background: #fff;
}

textarea {
  min-height: 82px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid #c7d7ff;
  border-color: #90b0ff;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

.checkbox-row input {
  width: 16px;
  height: 16px;
  margin-top: 2px;
}

.kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 6px 10px;
  margin: 14px 0;
  font-size: 14px;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
  font-weight: 600;
}

.legal {
  max-width: 760px;
}

.legal h1 {
  margin: 0 0 4px;
  font-size: 32px;
}

.legal h2 {
  margin-top: 20px;
  font-size: 20px;
}

.legal p,
.legal li {
  color: #2f3746;
  line-height: 1.6;
  font-size: 15px;
}

.legal ul {
  margin-top: 8px;
}

@media (max-width: 640px) {
  main {
    padding: 14px;
    align-items: flex-start;
  }

  .card {
    padding: 18px;
    border-radius: 14px;
  }

  .title,
  .legal h1 {
    font-size: 26px;
  }

  .kv {
    grid-template-columns: 1fr;
  }
}