:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #5f6b76;
  --line: #d8e0e6;
  --bg: #f7f9fb;
  --surface: #ffffff;
  --primary: #005472;
  --accent: #c8923a;
  --success: #0f6b3a;
  --error: #a83232;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.site-header {
  background: var(--primary);
  color: white;
  padding: clamp(2rem, 5vw, 4rem) 1rem;
}

.site-header > div,
main {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: #f3d79d;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 1rem;
  font-size: clamp(2rem, 6vw, 4.5rem);
  line-height: 1;
}

.lede {
  max-width: 720px;
  margin-bottom: 0;
  color: #eaf3f7;
  font-size: 1.1rem;
}

main {
  padding: 2rem 0 3rem;
}

.signup-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.25rem;
  align-items: start;
}

.signup-form,
.info-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem;
}

.form-header p,
.info-panel,
label {
  color: var(--muted);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font: inherit;
  padding: 0.75rem 0.8rem;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(0, 84, 114, 0.18);
}

button {
  width: 100%;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #1f1708;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 0.85rem 1rem;
}

button:hover {
  filter: brightness(0.96);
}

.form-status {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  font-weight: 700;
}

.form-status[data-tone="success"] {
  color: var(--success);
}

.form-status[data-tone="error"] {
  color: var(--error);
}

.form-status[data-tone="muted"] {
  color: var(--muted);
}

.info-panel ul {
  padding-left: 1.2rem;
  margin-bottom: 1rem;
}

.schedule-preview {
  display: grid;
  gap: 1rem;
}

.schedule-day {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.schedule-day h3 {
  margin: 0 0 0.5rem;
  color: var(--ink);
  font-size: 1rem;
}

.schedule-day p {
  margin: 0.35rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.slot-line {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.35rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.slot-status {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  font-size: 0.75rem;
  font-weight: 800;
}

.slot-status.is-full {
  border-color: #d9b1b1;
  background: #fff0f0;
  color: var(--error);
}

@media (max-width: 800px) {
  .signup-layout,
  .field-grid {
    grid-template-columns: 1fr;
  }
}