:root {
  color-scheme: light dark;
  --bg: #0f1216;
  --surface: #171b21;
  --border: #262c35;
  --text: #eef1f5;
  --muted: #9aa4b2;
  --accent: #4c8dff;
  --accent-text: #ffffff;
  --success: #34d399;
  --error: #f87171;
  --radius: 12px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f9;
    --surface: #ffffff;
    --border: #dfe4ea;
    --text: #16191d;
    --muted: #5d6773;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 2rem 1rem 4rem;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.page {
  max-width: 34rem;
  margin: 0 auto;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

.intro {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

label {
  display: block;
  margin: 1rem 0 0.35rem;
  font-weight: 600;
  font-size: 0.92rem;
}

input[type="text"],
input[type="email"],
input:not([type]) {
  width: 100%;
}

input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button,
.button-link {
  display: inline-block;
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.8rem 1rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
  cursor: progress;
}

fieldset {
  margin: 1.5rem 0 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
  font-weight: 600;
  font-size: 0.92rem;
}

.option {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin: 0.6rem 0 0;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 400;
  cursor: pointer;
}

.option input {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

.option span {
  display: flex;
  flex-direction: column;
}

.option small,
.hint {
  color: var(--muted);
  font-size: 0.83rem;
}

.optional {
  color: var(--muted);
  font-weight: 400;
}

.hint {
  display: block;
  margin: 0.35rem 0 0;
}

.order {
  margin-top: 1.75rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.order dl {
  display: grid;
  gap: 0.5rem;
  margin: 0;
}

.order dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.order dt {
  color: var(--muted);
  font-size: 0.9rem;
}

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

.price {
  margin: 1.25rem 0 0;
  padding: 0.8rem 0.9rem;
  border-radius: 8px;
  background: var(--bg);
  font-size: 0.92rem;
}

#payment-panel {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.status {
  margin-top: 1.25rem;
  padding: 0.8rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.92rem;
}

.status--progress {
  border-color: var(--border);
  color: var(--muted);
}

.status--success {
  border-color: var(--success);
  color: var(--success);
}

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

.message {
  margin: 1.25rem 0 0;
  font-size: 0.92rem;
}

.message:empty {
  margin: 0;
}

.message--error {
  color: var(--error);
}

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

[hidden] {
  display: none !important;
}