:root {
  color-scheme: dark;
  --bg: #0b100f;
  --surface: #131b18;
  --surface-strong: #18231f;
  --surface-soft: #202c28;
  --text: #f4f8f6;
  --muted: #a8b6b0;
  --accent: #7ee2ad;
  --accent-strong: #4fc58c;
  --accent-ink: #092116;
  --danger: #ff8e8e;
  --border: #2b3934;
  --shadow: 0 18px 42px rgb(0 0 0 / 28%);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top right, rgb(69 146 108 / 16%), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

button {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgb(126 226 173 / 45%);
  outline-offset: 2px;
}

.app-header,
main,
.timer-panel {
  width: min(100% - 28px, 760px);
  margin-inline: auto;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(20px, env(safe-area-inset-top)) 0 18px;
}

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

h1 {
  margin-bottom: 0;
  font-size: clamp(1.55rem, 7vw, 2.2rem);
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 6px;
  font-size: clamp(1.35rem, 5vw, 1.8rem);
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 0;
  font-size: 1.12rem;
}

.eyebrow {
  margin-bottom: 3px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.icon-button,
.close-button,
.tab-button,
.timer-presets button,
.set-button,
.secondary-button,
.text-button,
.delete-custom-list-button {
  border: 0;
  cursor: pointer;
}

.icon-button {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 6px;
  padding: 0 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 750;
}

.icon-button span:first-child {
  color: var(--accent);
  font-size: 1.35rem;
}

.dashboard {
  display: grid;
  gap: 20px;
  padding: 24px;
  border: 1px solid rgb(126 226 173 / 20%);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgb(126 226 173 / 13%), transparent 55%),
    var(--surface-strong);
  box-shadow: var(--shadow);
}

.dashboard-copy {
  margin-bottom: 0;
  color: var(--muted);
}

.primary-button,
.secondary-button,
.danger-button {
  min-height: 50px;
  padding: 0 19px;
  border-radius: 14px;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
}

.primary-button:active {
  background: var(--accent-strong);
  transform: translateY(1px);
}

.secondary-button {
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--text);
}

.danger-button {
  width: 100%;
  border: 1px solid rgb(255 142 142 / 40%);
  background: rgb(255 142 142 / 10%);
  color: var(--danger);
}

.full-width {
  width: 100%;
}

.quick-notes {
  display: grid;
  gap: 8px;
  margin: 14px 0 20px;
}

.quick-notes article {
  display: grid;
  gap: 2px;
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgb(19 27 24 / 80%);
}

.quick-notes strong {
  font-size: 0.83rem;
}

.quick-notes span {
  color: var(--muted);
  font-size: 0.82rem;
}

.workout-tabs {
  position: sticky;
  z-index: 10;
  top: 8px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 17px;
  background: rgb(11 16 15 / 88%);
  box-shadow: 0 8px 24px rgb(0 0 0 / 24%);
  backdrop-filter: blur(16px);
}

.tab-button {
  min-height: 56px;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.tab-button span {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tab-button.is-active {
  background: var(--accent);
  color: var(--accent-ink);
}

.workout-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 30px 2px 17px;
}

.workout-heading p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.text-button,
.delete-custom-list-button {
  padding: 8px 0;
  background: transparent;
  font-size: 0.82rem;
  font-weight: 750;
}

.danger-text {
  color: var(--danger);
}

.exercise-list {
  display: grid;
  gap: 14px;
}

.exercise-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 8px 24px rgb(0 0 0 / 13%);
}

.exercise-card.is-complete {
  border-color: rgb(126 226 173 / 55%);
  background:
    linear-gradient(135deg, rgb(126 226 173 / 7%), transparent 40%),
    var(--surface);
}

.exercise-card-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.exercise-number {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.reps-badge {
  flex: 0 0 auto;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 850;
}

.exercise-focus {
  margin: 10px 0 7px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 750;
}

.exercise-description {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.exercise-fields {
  display: grid;
  gap: 17px;
  padding-top: 17px;
  border-top: 1px solid var(--border);
}

label > span,
.sets-field legend {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 750;
}

.input-with-unit {
  display: flex;
  min-height: 48px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  overflow: hidden;
}

.input-with-unit input {
  width: 100%;
  min-width: 0;
  padding: 11px 4px 11px 13px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}

.input-with-unit span {
  padding: 0 13px;
  color: var(--muted);
  font-size: 0.82rem;
}

.sets-field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.set-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.set-button {
  width: 48px;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--muted);
  font-weight: 850;
}

.set-button.is-done {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.notes-field {
  display: block;
  margin-top: 17px;
}

textarea,
.exercise-form input,
.exercise-form select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
}

textarea {
  min-height: 70px;
  padding: 12px 13px;
  resize: vertical;
}

::placeholder {
  color: #718079;
}

.delete-custom-button {
  margin-top: 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 0.8rem;
}

.rotation-note {
  margin: 14px 0;
  padding: 17px;
  border: 1px dashed rgb(126 226 173 / 42%);
  border-radius: var(--radius-md);
  background: rgb(126 226 173 / 6%);
}

.rotation-note p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.timer-panel {
  position: sticky;
  z-index: 20;
  bottom: max(10px, env(safe-area-inset-bottom));
  margin-top: 22px;
  margin-bottom: max(10px, env(safe-area-inset-bottom));
  padding: 17px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgb(19 27 24 / 94%);
  box-shadow: 0 16px 50px rgb(0 0 0 / 52%);
  backdrop-filter: blur(18px);
}

.timer-panel.is-finished {
  border-color: var(--accent);
  animation: timerPulse 0.7s ease-in-out 3;
}

.timer-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.timer-topline h2 {
  margin-bottom: 0;
  font-size: 1rem;
}

.timer-display {
  color: var(--accent);
  font-size: 2rem;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.timer-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 13px 0 9px;
}

.timer-presets button {
  min-height: 42px;
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.timer-presets button.is-selected {
  background: rgb(126 226 173 / 17%);
  color: var(--accent);
}

.timer-actions {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 7px;
}

.timer-actions button {
  min-height: 46px;
}

.overlay {
  position: fixed;
  z-index: 100;
  inset: 0;
  padding-top: max(20px, env(safe-area-inset-top));
  background: rgb(0 0 0 / 68%);
  overflow-y: auto;
  backdrop-filter: blur(7px);
}

.overlay[hidden] {
  display: none;
}

.menu-sheet {
  width: min(100%, 680px);
  min-height: calc(100dvh - max(20px, env(safe-area-inset-top)));
  margin: 0 auto;
  padding: 22px 18px max(30px, env(safe-area-inset-bottom));
  border-radius: 26px 26px 0 0;
  background: var(--surface);
}

.sheet-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
}

.close-button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 1.8rem;
}

.exercise-form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}

.exercise-form label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.exercise-form input,
.exercise-form select {
  min-height: 48px;
  margin-top: 7px;
  padding: 10px 12px;
}

.exercise-form textarea {
  margin-top: 7px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.custom-list-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 27px 2px 11px;
}

.custom-list-heading span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
}

.custom-exercise-list {
  display: grid;
  gap: 8px;
}

.custom-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.custom-list-item p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.empty-state {
  padding: 22px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  color: var(--muted);
  text-align: center;
}

.data-actions {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

body.has-open-menu {
  overflow: hidden;
}

@keyframes timerPulse {
  50% {
    background: rgb(48 103 77 / 96%);
    transform: scale(1.01);
  }
}

@media (min-width: 600px) {
  .dashboard {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .quick-notes {
    grid-template-columns: repeat(3, 1fr);
  }

  .exercise-fields {
    grid-template-columns: minmax(140px, 0.7fr) 1.3fr;
    align-items: end;
  }

  .menu-sheet {
    min-height: auto;
    margin-top: 5vh;
    margin-bottom: 5vh;
    border-radius: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}