*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #F7F5F0;
  --ink: #1A1814;
  --ink-muted: #8A8680;
  --rule: #DDD9D0;
  --card: #FFFFFF;
  --red: #C8502A;
  --red-light: #F0E8E3;
  --green: #2A7A4A;
  --green-light: #E3F0E8;
  --calm: #5A4A8A;
  --calm-light: #EDEAF5;
  --amber: #C87020;
  --amber-light: #F5EBE0;
  --blue: #2A5A8A;
  --blue-light: #E3EBF5;
  --teal: #1A7A6A;
  --teal-light: #E0F0EE;
}

html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Mono', monospace;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  width: 100%;
  max-width: 520px;
  padding: 3rem 2rem 0;
  animation: fadeUp 0.5s ease both;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.logo {
  font-family: 'DM Serif Display', serif;
  font-size: 2.2rem;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.3rem;
}
.logo-sunn {
  color: var(--ink);
}
.logo-fit {
  color: var(--ink-muted);
}
.logo-sub {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.history-link {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s;
  padding-bottom: 0.1rem;
}
.history-link:hover { color: var(--ink); }

main {
  width: 100%;
  max-width: 520px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.workout-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 1.1rem 1.75rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  animation: fadeUp 0.5s ease both;
}
.workout-card:nth-child(2) { animation-delay: 0.08s; }
.workout-card:nth-child(3) { animation-delay: 0.16s; }
.workout-card:nth-child(4) { animation-delay: 0.24s; }
.workout-card:nth-child(5) { animation-delay: 0.32s; }

.workout-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--red);
  border-radius: 0;
}
.workout-card.accent-green::before { background: var(--green); }
.workout-card.accent-calm::before  { background: var(--calm); }

.workout-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.07);
}
.workout-card:active { transform: translateY(0); }

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}
.card-tag {
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  background: var(--red-light);
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
}
.accent-green .card-tag {
  color: var(--green);
  background: var(--green-light);
}
.accent-calm .card-tag {
  color: var(--calm);
  background: var(--calm-light);
}
.accent-calm .card-title span { color: var(--calm); }
.accent-amber .card-tag {
  color: var(--amber);
  background: var(--amber-light);
}
.accent-amber::before { background: var(--amber); }
.accent-amber .card-title span { color: var(--amber); }
.accent-blue .card-tag {
  color: var(--blue);
  background: var(--blue-light);
}
.accent-blue::before { background: var(--blue); }
.accent-blue .card-title span { color: var(--blue); }
.accent-teal .card-tag {
  color: var(--teal);
  background: var(--teal-light);
}
.accent-teal::before { background: var(--teal); }
.accent-teal .card-title span { color: var(--teal); }
.card-arrow {
  font-size: 1rem;
  color: var(--ink-muted);
  transition: transform 0.2s, color 0.2s;
}
.workout-card:hover .card-arrow {
  transform: translateX(3px);
  color: var(--ink);
}

.card-title {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 0.35rem;
}
.card-title span { color: var(--red); font-style: italic; }
.accent-green .card-title span { color: var(--green); }

.card-desc {
  font-size: 0.75rem;
  color: var(--ink-muted);
  line-height: 1.6;
  margin-bottom: 0.6rem;
}

.card-meta {
  display: flex;
  gap: 0.5rem;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}