:root {
  --c1: #006466;
  --c2: #065a60;
  --c3: #0b525b;
  --c4: #144552;
  --c5: #1b3a4b;
  --c6: #212f45;
  --c7: #272640;
  --c8: #312244;
  --c9: #3e1f47;
  --c10: #4d194d;
  --bg-main: #000000;
  --bg-grad: #0a0a0a;
  --panel: #111419;
  --input: #171d25;
  --line: #2b3846;
  --ink: #ebf1f7;
  --muted: #a6b5c5;
  --btn-main: var(--c4);
  --btn-main-border: var(--c3);
  --btn-text: #ebf1f7;
  --btn-green: var(--c2);
  --btn-blue: var(--c5);
  --btn-purple: var(--c9);
  --btn-danger: var(--c10);
  --chip: #121921;
  --surface-soft: #131b24;
  --highlight: var(--c1);
  --highlight-2: var(--c9);
}

body[data-theme="dark"] {
  --bg-main: #000000;
  --bg-grad: #0a0a0a;
  --panel: #111419;
  --input: #171d25;
  --line: #2b3846;
  --ink: #ebf1f7;
  --muted: #a6b5c5;
  --btn-main: var(--c4);
  --btn-main-border: var(--c3);
  --btn-text: #ebf1f7;
  --btn-green: var(--c2);
  --btn-blue: var(--c5);
  --btn-purple: var(--c9);
  --btn-danger: var(--c10);
  --chip: #121921;
  --surface-soft: #131b24;
  --highlight: var(--c1);
  --highlight-2: var(--c9);
}

body[data-theme="light"] {
  --bg-main: #f4f5f7;
  --bg-grad: #eceef1;
  --panel: #ffffff;
  --input: #f3f5f7;
  --line: #c8d0d9;
  --ink: #1b2b3b;
  --muted: #4e6072;
  --btn-main: var(--c4);
  --btn-main-border: var(--c3);
  --btn-text: #ffffff;
  --btn-green: var(--c2);
  --btn-blue: var(--c5);
  --btn-purple: var(--c8);
  --btn-danger: var(--c10);
  --chip: #f7f9fb;
  --surface-soft: #f2f6fa;
  --highlight: var(--c1);
  --highlight-2: var(--c9);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background:
    linear-gradient(180deg, var(--bg-main), var(--bg-grad)),
    radial-gradient(circle at top right, rgba(58, 110, 165, 0.2) 0%, var(--bg-main) 45%);
  min-height: 100dvh;
  overflow: hidden;
}

.shell {
  width: min(980px, 96vw);
  height: calc(100dvh - 20px);
  margin: 10px auto;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 8px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.16);
}

.compact {
  padding: 8px;
}

#activeWorkoutBlock {
  margin-top: 8px;
}

.level .panel + .panel {
  margin-top: 8px;
}

.hero h1 {
  margin: 0;
  font-size: 1.62rem;
  letter-spacing: 0.02em;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.hero-barbell {
  width: 72px;
  height: 44px;
  display: grid;
  align-items: center;
  flex: 0 0 auto;
}

.hero-barbell svg {
  width: 100%;
  height: 100%;
  fill: var(--highlight);
}

.hero p {
  margin: 5px 0 0;
  color: var(--highlight);
  font-size: 1.02rem;
  font-weight: 700;
}

.viewport {
  overflow: hidden;
  border-radius: 12px;
  min-height: 0;
  height: 100%;
}

.levels {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  transition: transform 0.24s ease;
  height: 100%;
}

.level {
  height: 100%;
  min-height: 0;
  padding: 2px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

#landingHeading {
  margin-left: 8px;
}

h2,
h3,
p {
  margin: 0;
}

h2 {
  font-size: 1.12rem;
  margin-bottom: 10px;
  font-weight: 650;
}

h3 {
  font-size: 0.97rem;
  margin: 8px 0;
  font-weight: 600;
}

label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin: 6px 0 3px;
}

input,
select,
textarea,
button {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--input);
  color: var(--ink);
  font: inherit;
  padding: 7px 8px;
}

/* Prevent iOS Safari focus-zoom by keeping form controls >=16px */
input,
select,
textarea {
  font-size: 16px;
}

select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--input);
  color: var(--ink);
  border-color: var(--line);
}

textarea {
  min-height: 54px;
}

button {
  background: var(--btn-main);
  border: 1px solid var(--btn-main-border);
  color: var(--btn-text);
  margin-top: 8px;
  padding-top: 9px;
  padding-bottom: 9px;
}

button:active {
  transform: translateY(1px);
}

.secondary {
  background: var(--btn-main);
  border-color: var(--btn-main-border);
}

.btn-green {
  background: var(--btn-green);
  border-color: var(--btn-green);
}

.btn-blue {
  background: var(--btn-blue);
  border-color: var(--btn-blue);
}

.btn-purple {
  background: var(--btn-purple);
  border-color: var(--btn-purple);
}

.back-btn {
  width: auto;
  padding: 6px 10px;
  margin: 0;
}

.danger {
  background: var(--btn-danger);
  border-color: var(--btn-danger);
}

.level-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.level-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.grid-buttons {
  display: grid;
  gap: 8px;
}

.landing-stack {
  display: grid;
  gap: 14px;
}

.how-it-works summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.how-it-works p {
  margin-top: 6px;
}

.subtle {
  color: var(--muted);
  font-size: 0.84rem;
}

#saveProgressBtn {
  margin-bottom: 8px;
}

#progressList {
  margin-top: 2px;
}

#timerText {
  margin-top: 12px;
}

#editWorkoutType {
  margin-top: 4px;
  margin-bottom: 10px;
}

#editExercisesList {
  margin-top: 8px;
  margin-bottom: 8px;
}

#progressStatsGrid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  align-items: stretch;
}

#progressStatsGrid > * {
  min-width: 0;
}

#progressStatsGrid input {
  width: 100%;
  min-width: 0;
  height: 36px;
}

#progressStatsGrid input[type="date"] {
  -webkit-appearance: none;
  appearance: none;
}

#saveSettingsBtn {
  margin-top: 10px;
}

.row-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

.landing-history {
  margin-top: 0;
}

.workout-chip {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px;
  margin: 5px 0;
  background: var(--chip);
}

.workout-chip-btn {
  text-align: left;
  margin-top: 5px;
  margin-bottom: 5px;
  padding: 6px;
  background: var(--chip);
  border: 1px solid var(--line);
  color: var(--ink);
}

.workout-chip-btn strong {
  color: var(--ink);
}

.workout-chip-btn .subtle {
  color: var(--muted);
}

.btn-live {
  background: #1aa05e;
  border-color: #1aa05e;
  color: #ffffff;
}

.history-bar {
  margin-top: 4px;
  height: 5px;
  border-radius: 999px;
  background: rgba(235, 235, 235, 0.2);
  overflow: hidden;
}

.history-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--highlight), var(--highlight-2));
}

.type-visual {
  height: 90px;
  border-radius: 10px;
  background-size: cover;
  background-position: center;
  margin-bottom: 6px;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.type-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(7, 11, 18, 0.88), rgba(7, 11, 18, 0.35));
}

.inline-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.inline-actions button {
  margin-top: 0;
  padding: 7px 6px;
  font-size: 0.82rem;
}

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

.session-meta {
  margin-top: 2px;
  margin-bottom: 6px;
}

.session-title {
  font-size: 1.05rem;
  font-weight: 760;
  margin-top: 8px;
  margin-bottom: 2px;
}

.toggle-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
  font-size: 0.86rem;
  color: var(--ink);
}

.toggle-row input {
  width: auto;
}

.callout {
  margin-top: 6px;
  border: 1px solid var(--highlight);
  background: rgba(11, 82, 91, 0.2);
  color: var(--ink);
  border-radius: 8px;
  padding: 6px;
  font-size: 0.8rem;
}

.hidden {
  display: none;
}

.app-feedback-toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%) translateY(12px);
  background: var(--btn-blue);
  color: #ffffff;
  border: 1px solid var(--btn-main-border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.82rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 9999;
}

.app-feedback-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.exercise-card,
.exercise-row,
.history-card,
.progress-row,
.metric-card,
.set-row {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.exercise-card,
.history-card,
.progress-row,
.metric-card,
.exercise-row {
  padding: 10px;
}

.exercise-title {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
}

.recent-history {
  margin-top: 6px;
  margin-bottom: 10px;
}

.exercise-row {
  border-color: var(--line);
  background: var(--surface-soft);
  box-shadow: inset 0 0 0 1px rgba(86, 114, 153, 0.12);
}

.exercise-row-title {
  font-size: 1.02rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--ink);
}

.field-headings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.type-manager-headings {
  margin-top: 2px;
}

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

.set-row {
  display: grid;
  grid-template-columns: 56px 1fr 1fr auto auto;
  gap: 5px;
  align-items: center;
  padding: 5px;
  margin-bottom: 5px;
}

.set-field {
  display: grid;
  gap: 2px;
}

.set-field-label {
  font-size: 0.68rem;
  color: var(--muted);
  line-height: 1;
}

.cardio-set-row {
  grid-template-columns: 1.2fr repeat(4, minmax(0, 1fr)) auto;
}

.other-set-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

.tiny,
.move-btn {
  width: auto;
  padding: 6px 8px;
  margin: 0;
}

.stack {
  display: grid;
  gap: 6px;
}

.headings {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 6px;
  margin: 2px 0 0;
  font-size: 0.76rem;
  color: var(--muted);
}

.headings.cardio {
  grid-template-columns: 1.4fr 1fr;
}

.mini-grid {
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mini-grid > div {
  min-width: 0;
}

.mini-grid > div input {
  width: 100%;
}

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

.mini-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.actions-line {
  margin-top: 6px;
  display: grid;
  grid-template-columns: auto auto auto auto auto;
  gap: 4px;
  align-items: center;
}

.actions-line .tiny {
  padding: 4px 6px;
  font-size: 0.74rem;
  line-height: 1.05;
}

.type-manager-actions {
  grid-template-columns: auto auto auto auto auto minmax(0, 1fr);
}

.type-open-btn {
  justify-self: stretch;
}

.undo-type-delete-row {
  grid-template-columns: 1fr;
}

.undo-type-delete-row button {
  background: #3a4350;
  border-color: #556172;
  color: #d6dee7;
}

.actions-line button[data-role="save"] {
  background: var(--btn-green);
  border-color: var(--btn-green);
}

.actions-line button[data-role="archive"] {
  background: var(--btn-purple);
  border-color: var(--btn-purple);
}

.archived-tag {
  color: var(--highlight);
  font-size: 0.76rem;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 6px;
}

.segmented button {
  margin: 0;
  background: var(--btn-main);
}

.segmented button.active {
  background: var(--highlight);
}

.history-card summary {
  cursor: pointer;
}

.history-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.summary-meta {
  white-space: nowrap;
}

.history-card[open] .summary-meta {
  display: none;
}

.history-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

.history-actions button[data-role="remove-exercise-day"] {
  width: auto;
  justify-self: end;
  padding: 4px 6px;
  font-size: 0.76rem;
  line-height: 1;
}

.history-actions button[data-role="add-set"] {
  justify-self: start;
  width: auto;
  min-width: 88px;
  padding: 4px 8px;
  font-size: 0.76rem;
  line-height: 1;
}

.history-edit {
  border-top: 1px dashed var(--line);
  margin-top: 8px;
  padding-top: 8px;
}

.ghost-btn {
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--muted);
  margin-top: 0;
  margin-bottom: 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.metric-value {
  font-size: 1rem;
  font-weight: 700;
}

.metric-headline .headline-grid {
  margin-top: 6px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.metric-headline .metric-value {
  margin-top: 2px;
}

.week-strip {
  margin: 8px 0 10px;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 4px;
}

.week-day {
  display: grid;
  justify-items: center;
  gap: 4px;
}

.week-dot {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--chip);
  display: grid;
  place-items: center;
  font-size: 0.82rem;
}

.week-dot.active {
  background: rgba(40, 176, 99, 0.2);
  border-color: #28b063;
  box-shadow: 0 0 0 1px rgba(40, 176, 99, 0.2) inset;
}

#homeWeekStrip .metric-card {
  padding: 8px;
  margin-bottom: 6px;
}

#homeWeekStrip .week-strip {
  margin-bottom: 2px;
}

.cardio-track-option {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: var(--ink);
  font-size: 0.82rem;
}

.cardio-track-option input[type="checkbox"] {
  width: auto;
  min-width: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--input);
  accent-color: var(--highlight);
}

.progress-track {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(235, 235, 235, 0.2);
  overflow: hidden;
  margin-top: 5px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--highlight), var(--highlight-2));
}

.bar-wrap {
  margin-top: 6px;
}

.bar-chart {
  display: grid;
  gap: 8px;
}

.bar-row {
  display: grid;
  gap: 4px;
}

.bar-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
}

.bar-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
}

.legend {
  display: grid;
  gap: 4px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.trend-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}

.trend-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
  padding: 8px;
}

.trend-title {
  margin: 0 0 6px;
}

.set-complete {
  color: #2fbe73;
  font-weight: 700;
  font-size: 0.9rem;
  opacity: 0.25;
}

.set-complete.done {
  opacity: 1;
}

.intensity-high {
  color: #ff5b5b;
  font-weight: 700;
}

.intensity-moderate {
  color: #f59f42;
  font-weight: 700;
}

.intensity-low {
  color: #4f8dff;
  font-weight: 700;
}

#weightTrend,
#bodyFatTrend {
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: transparent;
}

@media (max-width: 760px) {
  .mini-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #progressStatsGrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .cards,
  .trend-grid {
    grid-template-columns: 1fr;
  }

  .metric-headline .headline-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .set-row {
    grid-template-columns: 42px minmax(0, 1fr) minmax(0, 1fr) auto auto;
    gap: 4px;
  }

  .set-row input {
    padding: 5px 6px;
    font-size: 16px;
  }

  .set-row button[data-role="delete-set"] {
    padding: 4px 6px;
    font-size: 0.76rem;
  }

  .cardio-set-row {
    grid-template-columns: 1fr 1fr;
  }

  .other-set-row {
    grid-template-columns: 1fr auto;
  }

  .actions-line {
    grid-template-columns: auto auto auto auto auto;
    gap: 3px;
  }

  .actions-line .tiny {
    padding: 3px 5px;
    font-size: 0.7rem;
  }

  .type-manager-actions {
    grid-template-columns: auto auto auto auto auto minmax(0, 1fr);
  }

  .type-open-btn {
    font-size: 0.69rem;
    padding-left: 4px;
    padding-right: 4px;
  }

  .week-dot {
    width: 24px;
    height: 24px;
    font-size: 0.74rem;
  }

  .level-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .bar-meta {
    font-size: 0.8rem;
  }
}