:root {
  color-scheme: dark;
  --bg: #09090b;
  --panel: #151518;
  --panel-strong: #1f1f23;
  --text: #f8fafc;
  --muted: #a1a1aa;
  --line: #333338;
  --accent: #ef4444;
  --accent-strong: #f87171;
  --accent-soft: #3f1518;
  --gold: #f43f5e;
  --danger: #fb7185;
  --danger-soft: #3b1118;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.38);
}

body.dark {
  color-scheme: dark;
  --bg: #09090b;
  --panel: #151518;
  --panel-strong: #1f1f23;
  --text: #f8fafc;
  --muted: #a1a1aa;
  --line: #333338;
  --accent: #ef4444;
  --accent-strong: #f87171;
  --accent-soft: #3f1518;
  --gold: #f43f5e;
  --danger: #fb7185;
  --danger-soft: #3b1118;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(239, 68, 68, 0.22), transparent 30rem),
    linear-gradient(135deg, var(--bg), var(--panel-strong));
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 40px;
}

.topbar,
.section-heading,
.form-actions,
.pain-readout,
.legend {
  display: flex;
  align-items: center;
}

.topbar {
  justify-content: space-between;
  margin-bottom: 20px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.6rem, 5vw, 2.5rem);
  letter-spacing: 0;
}

h2 {
  font-size: 1.05rem;
  letter-spacing: 0;
}

.eyebrow {
  margin-bottom: 4px;
  color: var(--accent-strong);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.icon-button,
.ghost-button,
.primary-button,
select,
input {
  border: 1px solid var(--line);
  border-radius: 8px;
}

.icon-button {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 250px;
  margin-bottom: 18px;
  padding: clamp(22px, 5vw, 42px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(120deg, rgba(9, 9, 11, 0.93), rgba(127, 29, 29, 0.9)),
    url("https://images.unsplash.com/photo-1598971639058-fab3c3109a00?auto=format&fit=crop&w=1500&q=80") center/cover;
  color: #fff;
  box-shadow: var(--shadow);
}

.hero-copy > p {
  opacity: 0.82;
  font-weight: 700;
}

.hero h2 {
  margin-top: 10px;
  font-size: clamp(2.2rem, 10vw, 5.7rem);
  line-height: 0.95;
}

.target-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 18px;
}

.target-row span:first-child {
  font-size: clamp(2.6rem, 9vw, 5rem);
  font-weight: 900;
}

.target-row span:last-child {
  font-size: clamp(1rem, 3vw, 1.35rem);
  font-weight: 800;
}

.progress-ring {
  position: relative;
  display: grid;
  width: 168px;
  place-items: center;
}

.progress-ring svg {
  width: 168px;
  height: 168px;
  transform: rotate(-90deg);
}

.ring-bg,
.ring-fg {
  fill: none;
  stroke-width: 14;
}

.ring-bg {
  stroke: rgba(255, 255, 255, 0.23);
}

.ring-fg {
  stroke: #fecaca;
  stroke-linecap: round;
  stroke-dasharray: 351.86;
  stroke-dashoffset: 351.86;
  transition: stroke-dashoffset 300ms ease;
}

.progress-ring > div {
  position: absolute;
  display: grid;
  text-align: center;
}

.progress-ring strong {
  font-size: 1.7rem;
}

.progress-ring span {
  font-size: 0.78rem;
  opacity: 0.78;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.metric,
.log-panel,
.insight-panel,
.plan-section,
.chart-section,
.calendar-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: var(--shadow);
}

.metric {
  min-height: 98px;
  padding: 16px;
}

.metric span,
label,
.pain-readout span,
.selected-target,
.legend {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.metric strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(310px, 0.75fr);
  gap: 18px;
  margin-bottom: 18px;
}

.log-panel,
.insight-panel,
.plan-section,
.chart-section,
.calendar-section {
  padding: 18px;
}

.section-heading {
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

label {
  display: grid;
  gap: 8px;
}

input,
select {
  width: 100%;
  min-height: 44px;
  padding: 9px 11px;
  background: var(--panel-strong);
  color: var(--text);
}

input[type="range"] {
  padding-inline: 0;
  accent-color: var(--accent);
}

.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.pain-readout {
  justify-content: space-between;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--accent-soft);
}

.form-actions {
  gap: 10px;
  margin-top: 16px;
}

.primary-button,
.ghost-button {
  min-height: 42px;
  padding: 0 14px;
  cursor: pointer;
  font-weight: 800;
}

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

.ghost-button {
  background: var(--panel-strong);
  color: var(--text);
}

.selected-target {
  margin-top: 12px;
}

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

.warning,
.notice,
.fun-fact {
  padding: 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  line-height: 1.4;
}

.warning {
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
  background: var(--danger-soft);
  color: var(--text);
}

.notice {
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background: var(--accent-soft);
}

.fun-fact {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  border: 1px solid color-mix(in srgb, var(--gold) 40%, var(--line));
  background: color-mix(in srgb, var(--gold) 13%, var(--panel));
}

.fun-fact span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fun-fact strong {
  font-size: 0.96rem;
  line-height: 1.45;
}

.badge-rack {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid color-mix(in srgb, var(--gold) 50%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--gold) 16%, var(--panel));
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 850;
}

canvas {
  display: block;
  width: 100%;
  max-height: 300px;
}

.calendar-section {
  margin-top: 18px;
}

.smart-section {
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: var(--shadow);
}

.coach-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 14px;
}

.coach-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
}

.coach-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.coach-card-heading span {
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.coach-card-heading strong {
  text-align: right;
}

.coach-card p {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.45;
}

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

.mini-schedule,
.recovery-planner,
.milestone-timeline {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.schedule-day,
.recovery-day,
.milestone {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
}

.schedule-day span,
.recovery-day span,
.milestone span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.schedule-day strong,
.recovery-day strong,
.milestone strong {
  color: var(--text);
  font-size: 1.05rem;
}

.schedule-day small,
.recovery-day small,
.milestone small {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
}

.schedule-day.is-recovery,
.recovery-day.is-active {
  border-color: color-mix(in srgb, var(--gold) 50%, var(--line));
  background: color-mix(in srgb, var(--gold) 14%, var(--panel));
}

.recovery-day {
  min-height: 74px;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.milestone-card {
  margin-top: 14px;
}

.milestone-timeline {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.milestone {
  position: relative;
  overflow: hidden;
}

.milestone::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--line);
}

.milestone.is-done {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  background: color-mix(in srgb, var(--accent-soft) 50%, var(--panel));
}

.milestone.is-done::before {
  background: var(--accent);
}

.milestone > div {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.legend {
  gap: 5px;
  white-space: nowrap;
}

.legend i,
.heat-cell {
  width: 13px;
  height: 13px;
  border-radius: 3px;
}

.heatmap-wrap {
  display: grid;
  grid-template-columns: repeat(53, 13px);
  grid-auto-rows: 13px;
  grid-auto-flow: column;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.heat-cell {
  border: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
}

.level-0 { background: color-mix(in srgb, var(--muted) 12%, transparent); }
.level-1 { background: #7f1d1d; }
.level-2 { background: #b91c1c; }
.level-3 { background: #ef4444; }
.level-4 { background: #fecaca; }

body.dark .level-0 { background: #2d3035; }
body.dark .level-1 { background: #7f1d1d; }
body.dark .level-2 { background: #b91c1c; }
body.dark .level-3 { background: #ef4444; }
body.dark .level-4 { background: #fecaca; }

@media (max-width: 980px) {
  .plan-options,
  .set-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .workbench {
    grid-template-columns: 1fr;
  }

  .coach-grid,
  .milestone-timeline {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .plan-controls,
  .active-plan {
    grid-template-columns: 1fr;
  }

  .timer-box {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
    padding-top: 12px;
  }

  .app-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 14px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .progress-ring {
    width: 128px;
    justify-self: start;
  }

  .progress-ring svg {
    width: 128px;
    height: 128px;
  }

  .metrics-grid,
  .input-grid {
    grid-template-columns: 1fr 1fr;
  }

  .metric {
    min-height: 86px;
    padding: 13px;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .coach-grid,
  .milestone-timeline {
    grid-template-columns: 1fr;
  }

  .catchup-window {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 430px) {
  .plan-options,
  .set-list {
    grid-template-columns: 1fr;
  }

  .metrics-grid,
  .input-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .legend {
    flex-wrap: wrap;
  }
}



.plan-section {
  margin-bottom: 18px;
}

.plan-remaining {
  display: grid;
  gap: 3px;
  min-width: 96px;
  text-align: right;
}

.plan-remaining span,
.active-plan span,
.timer-box span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan-remaining strong {
  font-size: 1.55rem;
}

.plan-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 14px;
}

.plan-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.plan-card {
  display: grid;
  gap: 7px;
  min-height: 142px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.plan-card.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.plan-card span {
  color: var(--accent-strong);
  font-weight: 900;
}

.plan-card strong {
  font-size: 0.94rem;
  line-height: 1.35;
}

.plan-card small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
}

.active-plan {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(170px, 0.28fr);
  gap: 14px;
  align-items: stretch;
  margin-bottom: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent-soft) 58%, var(--panel));
}

.active-plan strong {
  display: block;
  margin-top: 5px;
  line-height: 1.4;
}

.active-plan p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}

.timer-box {
  display: grid;
  gap: 8px;
  align-content: center;
  padding-left: 12px;
  border-left: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.timer-box strong {
  margin: 0;
  font-size: 1.8rem;
  font-variant-numeric: tabular-nums;
}

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

.set-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.set-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 8px;
  align-items: center;
  min-height: 58px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--text);
}

.set-item input {
  width: 18px;
  min-height: 18px;
  accent-color: var(--accent);
}

.set-item span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.set-item strong {
  grid-column: 2;
}

.set-item.is-done {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  background: var(--accent-soft);
}

/* Today's Plan 3-step flow */
.plan-section .section-heading {
  align-items: flex-start;
}

.plan-controls {
  grid-template-columns: 1fr;
}

.plan-controls .primary-button,
.complete-set,
.workout-rest .ghost-button,
.timer-actions .ghost-button {
  min-height: 52px;
  width: 100%;
  font-size: 0.98rem;
}

.plan-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.plan-tab {
  min-height: 46px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--text);
  cursor: pointer;
  font-weight: 850;
}

.plan-tab.is-selected {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.plan-card {
  min-height: 0;
}

.active-plan {
  grid-template-columns: 1fr;
  background: color-mix(in srgb, var(--accent-soft) 52%, var(--panel));
}

.active-plan > div:first-child {
  display: grid;
  gap: 8px;
}

#selectedPlanName {
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#selectedPlanSummary {
  display: grid;
  gap: 7px;
  margin: 0;
}

#selectedPlanSummary span {
  color: var(--text);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
}

#selectedPlanSummary .current-reps {
  font-size: clamp(2.4rem, 12vw, 4.5rem);
  line-height: 1;
}

.timer-box {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-left: 0;
  border-left: 0;
}

.timer-box > span,
.timer-box > strong {
  display: none;
}

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

.set-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.workout-progress {
  width: 100%;
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 16%, transparent);
}

.workout-progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.workout-rest {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  border-radius: 8px;
  background: var(--panel-strong);
  text-align: center;
}

.workout-rest span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workout-rest strong {
  font-size: 2.5rem;
  font-variant-numeric: tabular-nums;
}

.set-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  padding-top: 4px;
}

.set-dots span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 22%, transparent);
}

.set-dots .is-current {
  background: var(--gold);
}

.set-dots .is-done {
  background: var(--accent);
}

@media (max-width: 680px) {
  .plan-options {
    grid-template-columns: repeat(3, 1fr);
  }

  .plan-tab {
    min-height: 50px;
  }

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

@media (max-width: 430px) {
  .plan-options {
    grid-template-columns: repeat(2, 1fr);
  }
}

.click-counter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin: 12px 0;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent-soft) 45%, var(--panel));
}

.click-counter span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.click-counter strong {
  display: block;
  margin-top: 4px;
  font-size: 1.25rem;
}

.click-counter p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 750;
}

.click-actions {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 8px;
  min-width: min(100%, 330px);
}

.click-actions button {
  min-height: 52px;
}

.click-actions #finishToday {
  grid-column: 1 / -1;
}

.click-actions button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

@media (max-width: 680px) {
  .click-counter {
    grid-template-columns: 1fr;
  }

  .click-actions {
    width: 100%;
    min-width: 0;
  }
}