:root {
  --cream: #fff8f1;
  --porcelain: #fffdf9;
  --blush: #f0c4c7;
  --rose: #bd6575;
  --maroon: #701c2d;
  --wine: #3d111b;
  --gold: #b98b3e;
  --sage: #7f8c73;
  --mint: #eaf2e7;
  --ink: #271b1f;
  --muted: #6f5d63;
  --line: rgba(112, 28, 45, 0.16);
  --shadow: 0 20px 55px rgba(61, 17, 27, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(185, 139, 62, 0.55);
  border-radius: 50%;
  color: var(--maroon);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 0.78rem;
  font-weight: 700;
}

.brand strong {
  display: block;
  color: var(--maroon);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.35rem;
  line-height: 1;
}

.brand small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  gap: 10px;
}

.app-shell {
  display: grid;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 26px;
  align-items: stretch;
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--porcelain), #f8eee7 70%, var(--mint));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1,
h2 {
  color: var(--wine);
  font-family: "Playfair Display", Georgia, serif;
  line-height: 1.05;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 5vw, 5.4rem);
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.hero-panel p:not(.eyebrow),
.section-heading p:not(.eyebrow) {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.05rem;
}

.today-card {
  display: grid;
  align-content: center;
  gap: 10px;
  min-height: 240px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 8px;
  background: var(--wine);
  color: #fff;
}

.today-card span {
  color: var(--blush);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.today-card strong {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 2rem;
  line-height: 1.05;
}

.today-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stats-grid article,
.workout-card,
.panel-form,
.progress-entry {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--porcelain);
  box-shadow: 0 12px 32px rgba(61, 17, 27, 0.06);
}

.stats-grid article {
  display: grid;
  gap: 10px;
  padding: 20px;
}

.stats-grid span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.stats-grid strong {
  color: var(--maroon);
  font-size: 1.7rem;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8eee7;
}

.tab,
.button,
.icon-button {
  border: 0;
  cursor: pointer;
  font-weight: 900;
}

.tab {
  min-height: 46px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
}

.tab.active {
  background: var(--maroon);
  color: #fff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: grid;
  gap: 22px;
}

.section-heading {
  display: grid;
  gap: 8px;
}

.workout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.workout-card {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.workout-card header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.workout-card h3 {
  margin: 0;
  color: var(--maroon);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.65rem;
}

.workout-card small {
  color: var(--sage);
  font-weight: 900;
}

.exercise-list {
  display: grid;
  gap: 10px;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 42px;
}

.check-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--maroon);
}

.tracker-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.panel-form {
  display: grid;
  gap: 16px;
  padding: 24px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--wine);
  font-size: 0.9rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid rgba(112, 28, 45, 0.22);
  border-radius: 8px;
  background: #fffaf7;
  color: var(--ink);
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(185, 139, 62, 0.24);
  border-color: var(--gold);
}

.button,
.icon-button {
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 8px;
}

.button.primary {
  background: var(--maroon);
  color: #fff;
}

.button.secondary,
.icon-button {
  border: 1px solid var(--line);
  background: #fffaf7;
  color: var(--maroon);
}

.progress-list {
  display: grid;
  gap: 12px;
}

.progress-entry {
  padding: 18px;
}

.progress-entry strong {
  display: block;
  color: var(--maroon);
  margin-bottom: 6px;
}

.progress-entry p {
  margin-bottom: 0;
  color: var(--muted);
}

.empty-state {
  padding: 28px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.5);
}

@media (max-width: 820px) {
  .app-header,
  .hero-panel,
  .tracker-layout {
    grid-template-columns: 1fr;
  }

  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-panel {
    display: grid;
  }

  .stats-grid,
  .workout-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .header-actions,
  .tabs {
    width: 100%;
  }

  .header-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  h1 {
    font-size: 2.7rem;
  }
}