:root {
  --bg: #f3efe5;
  --surface: rgba(255, 251, 244, 0.88);
  --line: rgba(85, 70, 50, 0.16);
  --text: #1f1d1a;
  --muted: #6a6258;
  --water: #116d7a;
  --bike: #d97706;
  --run: #b42318;
  --finish: #17643a;
  --shadow: 0 18px 48px rgba(58, 44, 28, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(17, 109, 122, 0.18), transparent 26%),
    radial-gradient(circle at top right, rgba(217, 119, 6, 0.18), transparent 22%),
    linear-gradient(180deg, #fbf7ef 0%, var(--bg) 100%);
}

button,
input {
  font: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.panel {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 22px;
  padding: 26px;
}

.eyebrow,
.stat-label,
.status-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--water);
}

.hero h1,
.status-panel h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 0.92;
  text-transform: uppercase;
}

.hero-text,
.panel-heading p,
.progress-note,
.course-distance,
.course-description,
#stage-description {
  color: var(--muted);
  line-height: 1.6;
}

.hero-stats,
.course-list {
  display: grid;
  gap: 12px;
}

.stat-card,
.status-panel,
.course-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
}

.stat-card {
  padding: 16px 18px;
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.97fr);
  gap: 24px;
  margin-top: 24px;
}

.race-panel,
.course-panel,
.finish-panel {
  padding: 24px;
}

.panel-heading h2 {
  margin: 0;
  font-size: 1.1rem;
}

.start-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.start-form label {
  display: grid;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.start-form button {
  align-self: end;
}

input {
  min-height: 50px;
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
}

input:focus {
  outline: none;
  border-color: rgba(17, 109, 122, 0.55);
  box-shadow: 0 0 0 4px rgba(17, 109, 122, 0.12);
}

.status-panel {
  margin-top: 22px;
  padding: 20px;
}

.status-panel h2 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  line-height: 0.98;
}

.progress-track {
  width: 100%;
  height: 16px;
  margin-top: 18px;
  border-radius: 999px;
  background: rgba(31, 29, 26, 0.1);
  overflow: hidden;
}

.progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--water) 0%, var(--bike) 55%, var(--run) 82%, var(--finish) 100%);
  transition: width 220ms ease;
}

.course-card {
  padding: 16px;
}

.course-card.is-current {
  border-color: rgba(17, 109, 122, 0.42);
  box-shadow: 0 16px 30px rgba(17, 109, 122, 0.12);
}

.course-card.is-complete {
  border-color: rgba(23, 100, 58, 0.36);
  background: linear-gradient(180deg, rgba(239, 251, 243, 0.94) 0%, rgba(252, 255, 252, 0.94) 100%);
}

.course-badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(17, 109, 122, 0.1);
  color: var(--water);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.course-card h3 {
  margin: 12px 0 6px;
  font-size: 1.18rem;
}

.stage-metrics {
  margin: 16px 0 0;
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(17, 109, 122, 0.05);
}

.metric-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.metric-row + .metric-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(85, 70, 50, 0.12);
}

.metric-row dt {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.metric-row dd {
  margin: 0;
  color: var(--text);
  line-height: 1.5;
}

.finish-panel {
  margin-top: 22px;
}

.ironman-time-card {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
}

.ironman-time-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.ironman-time-card strong {
  display: block;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.ironman-time-context {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.finish-message {
  margin: 18px 0 0;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(85, 70, 50, 0.28);
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 1.04rem;
}

.finish-message.is-finished {
  border-style: solid;
  border-color: rgba(23, 100, 58, 0.36);
  background: linear-gradient(135deg, rgba(23, 100, 58, 0.94), rgba(16, 138, 87, 0.92));
  color: #f7fff9;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 800;
}

.primary-button {
  background: linear-gradient(135deg, #c75a11, #f08c00);
  color: #fffaf3;
  box-shadow: 0 12px 24px rgba(208, 110, 19, 0.24);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
}

@media (max-width: 920px) {
  .hero,
  .workspace {
    grid-template-columns: 1fr;
  }

  .start-form {
    grid-template-columns: 1fr;
  }

  .start-form button {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 18px, 1180px);
    padding-top: 18px;
  }

  .hero,
  .race-panel,
  .course-panel,
  .finish-panel {
    padding: 18px;
  }
}