:root {
  color-scheme: light;
  --blue: #1b3f8b;
  --yellow: #fcd116;
  --text: #17213a;
  --muted: #566079;
  --line: #d8ddea;
  --background: #f3f5fa;
  --error: #a4161a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

.banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--blue);
  border-bottom: 4px solid var(--yellow);
  color: #fff;
}

.banner img {
  flex: none;
  border-radius: 8px;
}

.club {
  margin: 0;
  color: var(--yellow);
  font-size: 14px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

main {
  display: grid;
  gap: 16px;
  max-width: 560px;
  margin: 0 auto;
  padding: 16px 16px 40px;
}

h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
}

p {
  margin: 0;
}

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

.small {
  font-size: 14px;
}

.card {
  display: grid;
  gap: 12px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.line .price {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.stepper {
  display: flex;
  flex: none;
  align-items: center;
  gap: 4px;
}

.stepper output {
  width: 32px;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
}

.stepper button {
  width: 44px;
  height: 44px;
  padding: 0;
  background: #fff;
  border: 2px solid var(--blue);
  border-radius: 10px;
  color: var(--blue);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.stepper button:disabled {
  border-color: var(--line);
  color: var(--line);
  cursor: default;
}

label {
  display: grid;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  background: #fff;
  border: 1px solid #8a93a8;
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  font-size: 16px;
  font-weight: 400;
}

textarea {
  min-height: 72px;
  resize: vertical;
}

.primary,
.secondary {
  width: 100%;
  min-height: 50px;
  padding: 12px 16px;
  border-radius: 10px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary {
  background: var(--blue);
  border: 2px solid var(--blue);
  color: #fff;
}

.primary:disabled {
  opacity: 0.6;
  cursor: default;
}

.secondary {
  background: #fff;
  border: 2px solid var(--blue);
  color: var(--blue);
}

.danger {
  border-color: var(--error);
  color: var(--error);
}

.total {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
}

.notice {
  padding: 12px 14px;
  background: #e8edf8;
  border-radius: 10px;
}

.error {
  padding: 12px 14px;
  background: #fbe9e9;
  border-radius: 10px;
  color: var(--error);
  font-weight: 600;
}

.summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}