:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-synthesis: none;
  --bg: #090a0d;
  --surface: #121419;
  --surface-raised: #191c22;
  --surface-soft: #20242c;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f5f7;
  --secondary: #9ba1ad;
  --accent: #6ea8ff;
  --accent-strong: #3585ff;
  --green: #57cf83;
  --orange: #ffad58;
  --purple: #b793ff;
  --red: #ff6961;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}

body {
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
}

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

button, .button {
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 9px 14px;
  background: var(--surface-soft);
  cursor: pointer;
}

button:active, .button:active { transform: scale(0.98); }
button:disabled { opacity: 0.42; cursor: default; transform: none; }

.primary {
  border-color: transparent;
  background: var(--accent-strong);
  color: white;
  font-weight: 650;
}

.danger { color: var(--red); }
.quiet { border-color: transparent; background: transparent; }
.compact { min-height: 34px; padding: 6px 10px; border-radius: 9px; font-size: 0.88rem; }
.icon-button { width: 42px; padding: 0; display: grid; place-items: center; }

input, select, textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  padding: 10px 12px;
  background: #0e1014;
  color: var(--text);
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(53, 133, 255, 0.16);
}

textarea { resize: vertical; min-height: 88px; }
input[type="checkbox"] { width: 22px; min-height: 22px; accent-color: var(--accent-strong); }
input[type="date"] { min-width: 0; }

label { display: grid; gap: 7px; color: var(--secondary); font-size: 0.86rem; }
label > input, label > select, label > textarea { color: var(--text); font-size: 1rem; }

h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 4px; font-size: clamp(1.7rem, 7vw, 2.25rem); letter-spacing: -0.045em; }
h2 { margin-bottom: 14px; font-size: 1.15rem; letter-spacing: -0.015em; }
h3 { margin-bottom: 8px; font-size: 1rem; }
.muted { color: var(--secondary); }
.eyebrow { color: var(--secondary); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.mono { font-variant-numeric: tabular-nums; }

.launch-screen { min-height: 100vh; display: grid; place-content: center; justify-items: center; gap: 14px; color: var(--secondary); }
.launch-screen img { border-radius: 22%; box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45); }

.app-shell { min-height: 100vh; }
.sidebar { display: none; }
.page-shell { min-width: 0; min-height: 100vh; padding-bottom: calc(88px + var(--safe-bottom)); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: calc(58px + var(--safe-top));
  padding: calc(10px + var(--safe-top)) 18px 10px;
  background: rgba(9, 10, 13, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
}

.topbar-title { font-size: 1rem; font-weight: 700; }
.topbar .back { border: 0; background: transparent; color: var(--accent); padding-left: 0; }
.topbar-actions { display: flex; gap: 8px; }

.page { width: min(100%, 1050px); min-width: 0; margin: 0 auto; padding: 22px 16px 36px; overflow: hidden; }
.page-header { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin: 3px 2px 22px; }
.page-header p { margin: 0; color: var(--secondary); }

.bottom-nav {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 30;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  min-height: calc(66px + var(--safe-bottom));
  padding: 6px 8px calc(6px + var(--safe-bottom));
  background: rgba(18, 20, 25, 0.9);
  border-top: 1px solid var(--line-strong);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
}

.nav-item {
  display: grid;
  justify-items: center;
  gap: 3px;
  min-height: 50px;
  padding: 5px 2px;
  border: 0;
  background: transparent;
  color: var(--secondary);
  font-size: 0.68rem;
}

.nav-item .symbol { font-size: 1.25rem; line-height: 1; }
.nav-item.active { color: var(--accent); }
.nav-add { transform: translateY(-10px); }
.nav-add .symbol {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-strong);
  color: white;
  font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(53, 133, 255, 0.35);
}

.grid { display: grid; min-width: 0; gap: 13px; }
.two-column { grid-template-columns: 1fr; }
.metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }

.card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 17px;
  padding: 16px;
  background: var(--surface);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.card.accent { background: linear-gradient(145deg, rgba(53, 133, 255, 0.17), rgba(18, 20, 25, 0.96) 60%); }
.metric { min-height: 112px; }
.metric .label { color: var(--secondary); font-size: 0.78rem; }
.metric .value { display: block; margin-top: 12px; font-size: clamp(1.45rem, 7vw, 2rem); font-weight: 700; letter-spacing: -0.04em; }
.metric.green { background: rgba(87, 207, 131, 0.08); }
.metric.orange { background: rgba(255, 173, 88, 0.08); }
.metric.purple { background: rgba(183, 147, 255, 0.08); }

.section { margin-top: 22px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; margin: 0 2px 11px; }
.section-heading h2 { margin: 0; }
.section-heading button { min-height: 32px; }

.list { overflow: hidden; padding: 0; }
.list-row { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.list-row:last-child { border-bottom: 0; }
.list-row-main { flex: 1; min-width: 0; }
.list-row-title { font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-row-detail { margin-top: 3px; color: var(--secondary); font-size: 0.82rem; }
.rank { width: 26px; color: var(--secondary); font-weight: 700; }
.badge { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 8px; border-radius: 999px; background: var(--surface-soft); color: var(--secondary); font-size: 0.74rem; }
.badge.success { background: rgba(87, 207, 131, 0.13); color: var(--green); }
.badge.pr { background: rgba(255, 173, 88, 0.13); color: var(--orange); }

.empty { padding: 34px 20px; text-align: center; color: var(--secondary); }
.empty .empty-symbol { display: block; margin-bottom: 10px; font-size: 2rem; }
.empty h3 { color: var(--text); }

.filters { display: grid; gap: 11px; margin-bottom: 16px; }
.filter-dates { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.workout-card { padding: 0; overflow: hidden; }
.workout-card + .workout-card { margin-top: 13px; }
.workout-card-header { display: flex; align-items: flex-start; gap: 12px; width: 100%; border: 0; border-radius: 0; padding: 16px; background: transparent; text-align: left; }
.workout-card-header .grow { flex: 1; }
.workout-card-header h2 { margin: 0 0 4px; }
.workout-summary { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.workout-body { border-top: 1px solid var(--line); padding: 4px 16px 14px; }
.logged-exercise { padding: 13px 0; border-bottom: 1px solid var(--line); }
.logged-exercise:last-child { border-bottom: 0; }
.logged-exercise-name { display: flex; justify-content: space-between; gap: 12px; font-weight: 650; }
.set-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.set-chip { padding: 5px 8px; border-radius: 8px; background: var(--surface-soft); color: var(--secondary); font-size: 0.76rem; }
.set-chip strong { color: var(--text); }
.notes { margin: 10px 0 0; color: var(--secondary); white-space: pre-wrap; font-size: 0.88rem; }

.form-grid { display: grid; min-width: 0; gap: 14px; }
.form-grid > *, .form-row > *, .filters > * { min-width: 0; }
.form-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 11px; }
.form-section { margin-top: 18px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.form-actions > * { flex: 1; }

.timer-card { text-align: center; background: radial-gradient(circle at 50% 0%, rgba(53, 133, 255, 0.18), transparent 60%), var(--surface); }
.timer-display { max-width: 100%; margin: 12px 0 15px; overflow: hidden; font-size: clamp(2.5rem, 15vw, 4.6rem); font-weight: 650; letter-spacing: -0.06em; font-variant-numeric: tabular-nums; }
.timer-controls { display: flex; justify-content: center; gap: 10px; }
.timer-interval { max-width: 116px; margin: 0 auto; text-align: center; font-variant-numeric: tabular-nums; }
.workout-clock { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.workout-clock-time { font-size: 1.3rem; font-weight: 650; font-variant-numeric: tabular-nums; }

.exercise-editor { position: relative; margin-top: 13px; }
.exercise-editor-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.exercise-number { display: grid; place-items: center; flex: 0 0 30px; height: 30px; border-radius: 9px; background: var(--surface-soft); color: var(--secondary); font-weight: 700; }
.exercise-editor-header input { flex: 1; }
.set-header, .set-row { display: grid; grid-template-columns: 28px minmax(78px, 1fr) 62px 56px 30px 28px; gap: 6px; align-items: center; }
.set-header { padding: 0 2px 6px; color: var(--secondary); font-size: 0.7rem; text-align: center; }
.set-row + .set-row { margin-top: 7px; }
.set-row input, .set-row select { min-width: 0; min-height: 40px; padding: 7px; }
.set-row input { text-align: center; }
.set-check { justify-self: center; min-height: 21px; }
.set-remove { width: 38px; min-height: 38px; padding: 0; border: 0; background: transparent; color: var(--red); }
.editor-footer { display: flex; justify-content: space-between; gap: 10px; margin-top: 12px; }

.segmented { display: grid; grid-template-columns: repeat(2, 1fr); padding: 3px; border-radius: 11px; background: var(--surface-soft); }
.segmented button { min-height: 34px; border: 0; border-radius: 8px; padding: 6px; background: transparent; color: var(--secondary); }
.segmented button.active { background: #3a3f49; color: var(--text); box-shadow: 0 2px 8px rgba(0, 0, 0, .2); }

.chart { width: 100%; height: 240px; overflow: visible; }
.chart-grid { stroke: var(--line); stroke-width: 1; }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.chart-line.purple { stroke: var(--purple); }
.chart-point { fill: var(--surface); stroke: var(--accent); stroke-width: 3; }
.chart-point.purple { stroke: var(--purple); }
.chart-label { fill: var(--secondary); font-size: 10px; }
.chart-value { fill: var(--text); font-size: 10px; font-weight: 650; }

.more-grid { display: grid; gap: 12px; }
.more-link { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; background: var(--surface); padding: 17px; }
.more-symbol { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--surface-soft); font-size: 1.2rem; }
.more-copy { flex: 1; }
.more-copy strong { display: block; }
.more-copy span { display: block; margin-top: 3px; color: var(--secondary); font-size: 0.8rem; }

.inline-form { display: grid; gap: 11px; }
.install-card { background: linear-gradient(145deg, rgba(110, 168, 255, .15), var(--surface) 64%); }
.status-line { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(82px + var(--safe-bottom));
  z-index: 100;
  max-width: calc(100% - 32px);
  padding: 11px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(37, 40, 48, .96);
  color: white;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
  opacity: 0;
  transform: translate(-50%, 16px);
  pointer-events: none;
  transition: 180ms ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (min-width: 760px) {
  .app-shell { display: grid; grid-template-columns: 225px 1fr; }
  .sidebar {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 24px 14px;
    background: var(--surface);
    border-right: 1px solid var(--line);
  }
  .brand { display: flex; align-items: center; gap: 11px; padding: 0 9px 22px; font-weight: 700; }
  .brand img { width: 34px; height: 34px; border-radius: 9px; }
  .side-nav { display: grid; gap: 4px; }
  .side-nav button { display: flex; align-items: center; gap: 11px; width: 100%; border: 0; background: transparent; color: var(--secondary); text-align: left; }
  .side-nav button.active { background: var(--surface-soft); color: var(--text); }
  .sidebar-bottom { margin-top: auto; }
  .bottom-nav { display: none; }
  .page-shell { padding-bottom: 0; }
  .page { padding: 32px 34px 60px; }
  .topbar { display: none; }
  .metrics { grid-template-columns: repeat(4, 1fr); }
  .two-column { grid-template-columns: 1fr 1fr; }
  .filters { grid-template-columns: 1.2fr 2fr auto; align-items: end; }
  .filter-dates { grid-template-columns: 1fr 1fr; }
  .form-actions > * { flex: 0 0 auto; min-width: 120px; }
  .inline-form { grid-template-columns: 1fr 1fr auto; align-items: end; }
  .more-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 390px) {
  .set-header, .set-row { grid-template-columns: 25px minmax(70px, 1fr) 54px 49px 27px 25px; gap: 4px; }
  .set-row input, .set-row select { padding: 6px 4px; font-size: .84rem; }
  .card { padding: 14px; }
}

@media (display-mode: standalone) {
  .page-shell { min-height: 100svh; }
}