/* GymApp — mobile-first, dark only (keeps the iPhone status bar readable in the installed app). */

:root {
  color-scheme: dark;
  --bg: #0b0c0e;
  --surface: #141619;
  --surface-2: #1b1e22;
  --surface-3: #262a30;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #f3f5f6;
  --muted: #8d959e;
  --faint: #5d646c;
  --accent: #c6f04d;
  --accent-ink: #0b0c0e;
  --accent-soft: rgba(198, 240, 77, 0.12);
  --danger: #ff6b6b;
  --danger-soft: rgba(255, 107, 107, 0.12);
  --radius: 18px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 var(--font);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

/* Opaque strip under the status bar so content never scrolls behind the clock. */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: var(--safe-top);
  background: var(--bg);
  z-index: 20;
}

body.no-scroll { overflow: hidden; }

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

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

input {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

svg {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input:focus-visible { outline: none; }

.app {
  max-width: 560px;
  margin: 0 auto;
  padding-bottom: calc(40px + var(--safe-bottom));
}

/* ---------- shared bits ---------- */

.icon-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--muted);
  flex: none;
}
.icon-btn:active { background: var(--surface-3); color: var(--text); }
.icon-btn--danger:active { background: var(--danger-soft); color: var(--danger); }

.badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  padding: 4px 7px;
  border-radius: 99px;
  color: var(--accent-ink);
  background: var(--accent);
}

.chip {
  font-size: 12px;
  font-weight: 650;
  padding: 4px 10px;
  border-radius: 99px;
  background: var(--surface-3);
  color: var(--text);
}

.add-btn {
  width: 100%;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 12px;
  border: 1.5px dashed var(--line-strong);
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
}
.add-btn svg { width: 18px; height: 18px; }
.add-btn:active { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }

.add-btn--set {
  height: 40px;
  margin-top: 8px;
  border: 0;
  background: var(--surface-3);
  color: var(--text);
  font-size: 14px;
}

.add-btn--category {
  height: 54px;
  margin-top: 4px;
  border: 0;
  border-radius: 16px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 16px;
  font-weight: 750;
}
.add-btn--category:active { background: #b3dc3c; color: var(--accent-ink); }

/* Text fields that look like plain headings until tapped. */
.inline-input {
  width: 100%;
  min-width: 0;
  background: transparent;
  border: 0;
  border-radius: 10px;
  outline: none;
  padding: 8px 6px;
}
.inline-input::placeholder { color: var(--faint); }
.inline-input:focus { background: var(--surface-3); }

/* ---------- week view ---------- */

.hero { padding: calc(var(--safe-top) + 6px) 16px 16px; }

.hero__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  margin-right: -10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 750;
  color: var(--accent);
}

.hero__title {
  margin: 8px 0 4px;
  font-size: 34px;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.hero__sub { margin: 0; color: var(--muted); font-size: 15px; }

.week { display: grid; gap: 10px; padding: 0 12px; }

.day-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 6px;
  align-items: center;
  width: 100%;
  padding: 14px 8px 14px 16px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.15s ease, background 0.15s ease;
}
.day-card > * { grid-column: 1; }
.day-card:active { transform: scale(0.985); background: var(--surface-2); }
.day-card.is-today { border-color: rgba(198, 240, 77, 0.45); }

.day-card__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.day-card__count {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  color: var(--faint);
}

.day-card__title {
  margin-top: 4px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.day-card__title.is-empty { color: var(--faint); font-weight: 600; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.day-card__arrow { grid-column: 2; grid-row: 1 / span 3; color: var(--faint); }

/* ---------- day view ---------- */

.dayhead {
  position: sticky;
  top: 0;
  z-index: 10;
  padding-top: var(--safe-top);
  background: rgba(11, 12, 14, 0.86);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--line);
}

.topbar { display: flex; align-items: center; height: 52px; padding: 0 4px; }

.topbar__title {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
}

.pills {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 4px;
  padding: 2px 10px 10px;
}

.pill {
  height: 46px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 650;
  color: var(--muted);
}
.pill::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: transparent;
}
.pill.has-plan::after { background: var(--faint); }
.pill.is-today { color: var(--accent); }
.pill:active { background: var(--surface-2); }
.pill.is-active { background: var(--accent); color: var(--accent-ink); }
.pill.is-active.has-plan::after { background: rgba(11, 12, 14, 0.45); }

.day { padding: 14px 12px 0; }

.day-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  padding: 6px 6px;
}

.day-stats { margin: 0 6px 16px; color: var(--muted); font-size: 14px; }

.empty { text-align: center; padding: 28px 20px 28px; color: var(--muted); }
.empty__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: var(--surface);
  color: var(--accent);
}
.empty__icon svg { width: 30px; height: 30px; }
.empty__title { margin: 0 0 4px; color: var(--text); font-size: 17px; font-weight: 700; }
.empty__text { margin: 0; font-size: 15px; }

/* Category card */

.category {
  margin-bottom: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.category__head { display: flex; align-items: center; gap: 2px; padding: 6px 4px; }

.category__name { font-size: 18px; font-weight: 750; }

.collapse-btn svg { transition: transform 0.2s ease; }
.category.is-collapsed .collapse-btn svg { transform: rotate(-90deg); }

.count {
  min-width: 26px;
  height: 24px;
  padding: 0 8px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--surface-3);
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

.category__body { display: grid; gap: 10px; padding: 0 8px 8px; }
.category.is-collapsed .category__body { display: none; }

/* Exercise card */

.exercise { padding: 6px 6px 8px; background: var(--surface-2); border-radius: 14px; }

.exercise__head { display: flex; align-items: center; gap: 4px; }

.exercise__name { font-size: 16px; font-weight: 700; padding: 10px 6px; }

.segmented {
  display: flex;
  flex: none;
  padding: 3px;
  border-radius: 11px;
  background: var(--bg);
}
.segmented button {
  height: 32px;
  padding: 0 9px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.segmented small { font-size: 10px; font-weight: 650; margin-left: 1px; opacity: 0.8; }
.segmented button[aria-pressed="true"] { background: var(--surface-3); color: var(--accent); }

/* Set rows: number | weight stepper | reps stepper | remove */

.sets-head,
.set {
  display: grid;
  grid-template-columns: 22px minmax(0, 1.2fr) minmax(0, 1fr) 30px;
  align-items: center;
  gap: 5px;
}

.sets-head {
  padding: 8px 0 6px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--faint);
}
.sets-head span { text-align: center; }

.sets { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }

.set__num {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-3);
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.stepper {
  display: flex;
  align-items: center;
  height: 44px;
  overflow: hidden;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid var(--line);
}

.stepper__btn {
  width: 34px;
  height: 100%;
  display: grid;
  place-items: center;
  flex: none;
  color: var(--text);
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.stepper__btn svg { width: 18px; height: 18px; stroke-width: 2.4; }
.stepper__btn:active { background: var(--surface-3); color: var(--accent); }

.stepper__val {
  flex: 1;
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  outline: none;
  background: transparent;
  text-align: center;
  font-size: 17px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}
.stepper__val:focus { color: var(--accent); }
.stepper:focus-within { border-color: rgba(198, 240, 77, 0.5); }

.icon-btn--set { width: 30px; height: 44px; color: var(--faint); }
.icon-btn--set svg { width: 18px; height: 18px; }

/* ---------- toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(16px + var(--safe-bottom));
  z-index: 30;
  width: calc(100% - 24px);
  max-width: 520px;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 6px 6px 16px;
  border-radius: 14px;
  background: var(--text);
  color: var(--bg);
  font-size: 15px;
  font-weight: 650;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  transform: translate(-50%, calc(100% + 40px));
  visibility: hidden;
  transition: transform 0.25s ease, visibility 0s linear 0.25s;
}
.toast.is-visible {
  transform: translate(-50%, 0);
  visibility: visible;
  transition: transform 0.25s ease;
}
.toast__btn {
  height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 750;
}

/* ---------- settings sheet ---------- */

.sheet { position: fixed; inset: 0; z-index: 40; }
.sheet[hidden] { display: none; }

.sheet__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.sheet__panel {
  position: absolute;
  inset: auto 0 0;
  max-width: 560px;
  margin: 0 auto;
  padding: 8px 16px calc(16px + var(--safe-bottom));
  background: var(--surface);
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 22px 22px 0 0;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sheet.is-open .sheet__backdrop { opacity: 1; }
.sheet.is-open .sheet__panel { transform: none; }

.sheet__grip {
  width: 36px;
  height: 5px;
  margin: 0 auto 14px;
  border-radius: 3px;
  background: var(--line-strong);
}

.sheet__title { margin: 0 0 4px; font-size: 20px; font-weight: 800; }
.sheet__note { margin: 0 0 16px; color: var(--muted); font-size: 14px; }

.sheet__row {
  width: 100%;
  min-height: 60px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--surface-2);
  text-align: left;
  font-weight: 650;
}
.sheet__row svg { color: var(--accent); }
.sheet__row small { display: block; color: var(--muted); font-size: 13px; font-weight: 500; }
.sheet__row:active { background: var(--surface-3); }

.sheet__row--danger, .sheet__row--danger svg { color: var(--danger); }
.sheet__row--danger.is-armed { background: var(--danger); }
.sheet__row--danger.is-armed,
.sheet__row--danger.is-armed svg,
.sheet__row--danger.is-armed small { color: #fff; }

.sheet__close {
  width: 100%;
  height: 50px;
  margin-top: 6px;
  border-radius: 14px;
  background: var(--surface-3);
  font-weight: 750;
}

/* ---------- motion ---------- */

@keyframes enter-next { from { opacity: 0; transform: translateX(18px); } }
@keyframes enter-prev { from { opacity: 0; transform: translateX(-18px); } }
.enter-next { animation: enter-next 0.22s ease-out; }
.enter-prev { animation: enter-prev 0.22s ease-out; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* Very narrow phones (320–359px wide) */
@media (max-width: 359px) {
  .sets-head, .set { grid-template-columns: 20px minmax(0, 1.2fr) minmax(0, 1fr) 26px; gap: 4px; }
  .stepper__btn { width: 28px; }
  .stepper__val { font-size: 16px; }
  .segmented button { padding: 0 7px; }
}