:root {
  --mat-bg: #101820;
  --mat-panel: #17232e;
  --mat-panel-2: #1f2d39;
  --mat-line: #314251;
  --mat-soft: #dce6ed;
  --mat-muted: #8ea1ae;
  --mat-blue: #3f8cff;
  --mat-green: #38c172;
  --mat-red: #ff5c5c;
  --mat-amber: #f4b740;
  --mat-ink: #f7fbff;
  --upper-a: #3f8cff;
  --upper-b: #8b7cff;
  --leg: #ff6b6b;
  --radius: 16px;
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(63, 140, 255, 0.18), transparent 260px),
    var(--mat-bg);
  color: var(--mat-ink);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
}

.app-shell {
  width: min(100%, 820px);
  min-height: 100vh;
  margin: 0 auto;
  padding: env(safe-area-inset-top) 14px calc(86px + env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 2px 12px;
}

.eyebrow,
.muted,
small {
  color: var(--mat-muted);
}

.eyebrow {
  margin: 0 0 4px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 8vw, 2.55rem);
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  font-size: 1.35rem;
}

h3 {
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.icon-button,
.primary,
.ghost,
.chip,
.set-action,
.nav-item {
  min-height: 44px;
  border-radius: 12px;
  cursor: pointer;
}

.icon-button {
  width: 46px;
  background: var(--mat-blue);
  color: white;
  font-size: 1.4rem;
  font-weight: 800;
}

.hero-panel,
.exercise-card,
.metric-card,
.history-card,
.edit-card,
.dialog-card {
  border: 1px solid rgba(220, 230, 237, 0.1);
  background: rgba(23, 35, 46, 0.92);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

.hero-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: stretch;
  padding: 16px;
  border-radius: 20px;
}

.week-strip {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  overflow-x: auto;
}

.program-picker {
  margin-top: 12px;
  max-width: 360px;
}

.day-pill {
  flex: 0 0 auto;
  min-width: 78px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--mat-panel-2);
  color: var(--mat-soft);
  text-align: center;
}

.day-pill strong {
  display: block;
  font-size: 0.8rem;
}

.day-pill span {
  color: var(--mat-muted);
  font-size: 0.76rem;
}

.session-meter {
  display: grid;
  place-items: center;
  min-width: 108px;
  padding: 12px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--mat-blue) 15%, #0f2637);
  text-align: center;
}

.session-meter span {
  display: block;
  color: var(--mat-green);
  font-size: 1.3rem;
  font-weight: 900;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0;
}

.chip {
  padding: 10px 8px;
  background: var(--mat-panel);
  color: var(--mat-soft);
  border: 1px solid var(--mat-line);
  font-weight: 800;
}

.chip.active {
  border-color: currentColor;
  background: color-mix(in srgb, currentColor 22%, var(--mat-panel));
}

.toolbar,
.panel-title,
.dialog-actions,
.exercise-head,
.set-row,
.history-head,
.edit-head,
.field-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toolbar {
  margin-bottom: 14px;
}

.primary,
.ghost {
  padding: 0 14px;
  font-weight: 850;
}

.primary {
  flex: 1;
  background: linear-gradient(135deg, var(--mat-blue), color-mix(in srgb, var(--mat-blue) 72%, var(--mat-green)));
  color: white;
}

.ghost {
  background: var(--mat-panel-2);
  color: var(--mat-soft);
  border: 1px solid var(--mat-line);
}

.compact {
  flex: initial;
  min-height: 38px;
}

.exercise-list,
.progress-list,
.history-list,
.edit-list {
  display: grid;
  gap: 12px;
}

.exercise-card,
.history-card,
.edit-card {
  overflow: hidden;
  border-radius: var(--radius);
}

.exercise-head {
  justify-content: space-between;
  padding: 14px;
  border-left: 5px solid var(--accent, var(--mat-blue));
}

.exercise-title {
  min-width: 0;
}

.exercise-title strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 1.04rem;
}

.exercise-title span {
  display: block;
  margin-top: 4px;
  color: var(--mat-muted);
  font-size: 0.82rem;
}

.progress-badge {
  flex: 0 0 auto;
  min-width: 78px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(142, 161, 174, 0.14);
  color: var(--mat-muted);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 900;
}

.progress-badge.up {
  background: rgba(56, 193, 114, 0.18);
  color: var(--mat-green);
}

.progress-badge.down {
  background: rgba(255, 92, 92, 0.16);
  color: var(--mat-red);
}

.sets {
  display: grid;
  gap: 8px;
  padding: 0 14px 14px;
}

.set-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) minmax(0, 1fr) 42px;
  padding: 8px;
  border-radius: 14px;
  background: #111d26;
}

.set-index {
  display: grid;
  place-items: center;
  color: var(--mat-muted);
  font-weight: 900;
}

label {
  display: grid;
  gap: 6px;
  color: var(--mat-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--mat-line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--mat-bg) 78%, #000);
  color: var(--mat-ink);
  padding: 0 12px;
  outline: 0;
}

input:focus,
select:focus,
button:focus-visible {
  border-color: var(--mat-blue);
  box-shadow: 0 0 0 3px rgba(63, 140, 255, 0.22);
}

.set-action {
  display: grid;
  place-items: center;
  background: var(--mat-panel-2);
  color: var(--mat-soft);
  font-size: 1.2rem;
  font-weight: 900;
}

.exercise-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  padding: 0 14px 14px;
}

.skip-panel {
  display: grid;
  gap: 4px;
  margin: 0 14px 14px;
  padding: 12px;
  border: 1px solid rgba(244, 183, 64, 0.34);
  border-radius: 14px;
  background: rgba(244, 183, 64, 0.1);
}

.skip-panel strong {
  color: var(--mat-amber);
  font-size: 0.92rem;
}

.skip-panel span {
  color: var(--mat-muted);
  font-size: 0.82rem;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.panel-title {
  justify-content: space-between;
  margin: 10px 0 14px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.metric-card {
  min-height: 92px;
  padding: 14px;
  border-radius: var(--radius);
}

.metric-card span {
  display: block;
  color: var(--mat-green);
  font-size: 1.45rem;
  font-weight: 950;
}

.history-card,
.edit-card {
  padding: 14px;
}

.history-head,
.edit-head {
  justify-content: space-between;
}

.history-detail,
.progress-detail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.mini-stat {
  padding: 10px;
  border-radius: 12px;
  background: #111d26;
}

.mini-stat strong {
  display: block;
}

.mini-stat span {
  color: var(--mat-muted);
  font-size: 0.76rem;
}

.edit-exercises {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.workout-fields {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 8px;
  margin-top: 14px;
  padding: 12px;
  border-radius: 14px;
  background: #111d26;
}

.program-card {
  border-left: 5px solid var(--mat-green);
}

.program-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
  padding: 12px;
  border-radius: 14px;
  background: #111d26;
}

.program-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.edit-exercise {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border-radius: 12px;
  background: #111d26;
}

.edit-buttons {
  display: flex;
  gap: 6px;
}

.edit-card-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.tiny {
  width: 38px;
  min-height: 36px;
  border-radius: 10px;
  background: var(--mat-panel-2);
  color: var(--mat-soft);
  font-weight: 900;
}

.bottom-nav {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  width: min(100%, 820px);
  margin: 0 auto;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(220, 230, 237, 0.1);
  background: color-mix(in srgb, var(--mat-bg) 86%, #000);
  backdrop-filter: blur(16px);
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  place-items: center;
  background: transparent;
  color: var(--mat-muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.nav-item.active {
  background: var(--mat-panel-2);
  color: var(--mat-ink);
}

dialog {
  width: min(calc(100% - 28px), 520px);
  border: 0;
  padding: 0;
  background: transparent;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.64);
}

.dialog-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 20px;
}

.field-row {
  align-items: end;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 92px;
  left: 16px;
  z-index: 10;
  max-width: 520px;
  margin: 0 auto;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--mat-green);
  color: #06140c;
  font-weight: 900;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: 0.2s ease;
}


.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.empty {
  padding: 22px;
  border: 1px dashed var(--mat-line);
  border-radius: var(--radius);
  color: var(--mat-muted);
  text-align: center;
}

@media (max-width: 520px) {
  .hero-panel {
    grid-template-columns: 1fr;
  }

  .session-meter {
    min-height: 84px;
  }

  .metric-grid,
  .history-detail,
  .progress-detail {
    grid-template-columns: 1fr;
  }

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

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

  .program-fields,
  .program-actions {
    grid-template-columns: 1fr;
  }

  .edit-head {
    align-items: stretch;
    flex-direction: column;
  }

  .edit-card-actions {
    justify-content: stretch;
  }

  .edit-card-actions .compact {
    flex: 1;
  }
}