/* ============================================================
   TRAIN — v2 layout
   One column. Generous space. Typography does the lifting.
   ============================================================ */

/* ── Day strip: equal-width grid, no scroll ─────────────────── */
.days {
  display: grid;
  gap: 8px;
  margin: var(--space-3) 0 var(--space-6);
}

.day {
  position: relative;
  border: 1px solid var(--hair);
  background: var(--bg-1);
  border-radius: 14px;
  padding: 12px 10px;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-height: 84px;
  transition: border-color var(--motion-state) var(--ease-out-quint),
              background var(--motion-state) var(--ease-out-quint),
              transform var(--motion-tap) var(--ease-out-quint);
  cursor: pointer;
}

.day:active { transform: scale(0.98); }

.day-dow {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--paper-mute);
  text-transform: uppercase;
}

.day-name {
  font: 700 14px/1.15 var(--font-sans);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.day-focus {
  margin-top: auto;
  font: 500 10px/1 var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--paper-mute);
}

/* — States — (F1 — supersedes D19 opacity)
   The card itself is the state-carrier. No dot.
     logged   = tinted green wash; "you bought this position."
     today    = green border + glow; alive, current.
     upcoming = undecorated; ahead but not yet.
     missed   = opacity 0.45; pre-existing rule for skipped sessions.
     viewed   = outline hairline; "you're inspecting this one" —
                scoped to NOT today, which already carries its own decoration.
   Brokerage / portfolio metaphor: positions you already own are coloured
   into the portfolio (logged), today's active trade pops (today), and
   inspection adds focus without overpowering (viewed). Form is not a
   to-do app — no checkmarks, no strikethrough, no celebratory glyphs.
   The rgba literals are the green token (#34d171) at controlled alphas;
   var(--green) can't compose into rgba() since CSS doesn't decompose it.
*/
.day[data-state="today"] {
  border-color: var(--green);
  background: linear-gradient(180deg, var(--green-glow), transparent 80%), var(--bg-1);
  box-shadow: inset 0 0 0 1px var(--green);
}
.day[data-state="today"] .day-dow {
  color: var(--green);
}

/* Logged: tinted green wash. "You bought this position." */
.day[data-state="logged"] {
  background: rgba(52, 209, 113, 0.12);
  border-color: rgba(52, 209, 113, 0.25);
  opacity: 1;
}
.day[data-state="logged"] .day-dow {
  color: rgba(52, 209, 113, 0.6);
}

.day[data-state="missed"] {
  opacity: 0.45;
}

/* Viewed: hairline outline at inset offset. Says "you're inspecting this."
   Scoped via :not([data-state="today"]) — today already carries the green
   border + glow; layering an outline on top reads as visual noise and
   conflicts with the green tint on logged cards. */
.day--viewed:not([data-state="today"]) {
  outline: 1px solid var(--paper-dim);
  outline-offset: -1px;
  opacity: 1;
}

/* ── Session title block ────────────────────────────────────── */
.session-title {
  margin: var(--space-3) 0 6px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.session-meta {
  font: 500 12px/1.4 var(--font-mono);
  font-style: italic;
  color: var(--paper-dim);
  letter-spacing: 0.04em;
}

/* ── Reframe line ───────────────────────────────────────────── */
.train-reframe {
  font: 500 14px/1.5 var(--font-sans);
  font-style: italic;
  color: var(--paper-dim);
  margin-bottom: var(--space-5);
  max-width: 480px;
}

/* ── Exercise card ──────────────────────────────────────────── */
.train-exercises {
  padding: 0 var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.train-exercises-empty {
  padding: var(--space-5);
  color: var(--paper-mute);
  font: 500 13px/1.4 var(--font-mono);
  font-style: italic;
  letter-spacing: 0.02em;
}

.ex {
  border: 1px solid var(--hair);
  border-radius: 18px;
  background: var(--bg-1);
  overflow: hidden;
  transition: border-color var(--motion-state) var(--ease-out-quint),
              background var(--motion-state) var(--ease-out-quint);
}

.ex--active {
  border-color: rgba(52, 209, 113, 0.4);
  background: linear-gradient(180deg, var(--green-glow), transparent 40%), var(--bg-1);
}

.ex-top {
  padding: 16px 18px 12px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.ex-name {
  font: 700 20px/1.1 var(--font-sans);
  letter-spacing: -0.015em;
  color: var(--paper);
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.ex-bw {
  font: 500 10px/1 var(--font-mono);
  color: var(--paper-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 6px;
  border: 1px solid var(--hair);
  border-radius: 4px;
}

/* A7: swap button on each exercise card */
.ex-swap-btn {
  background: transparent;
  border: 1px solid var(--hair);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
  flex-shrink: 0;
}
.ex-swap-btn:hover, .ex-swap-btn:focus-visible {
  background: rgba(31, 174, 94, 0.06);
  border-color: var(--accent);
  outline: none;
}
.ex-swap-btn svg {
  width: 18px;
  height: 18px;
}
.ex-swap-note {
  margin: -4px 18px 8px;
  font: 500 11px/1.3 var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--paper-mute);
}

/* A7: swap sheet.
 *
 * The original CSS used position:fixed + inset:0 which broke when an
 * ancestor in the layout (the app-shell flex container) created a new
 * containing block — fixed positioning then resolved relative to that
 * ancestor, not the viewport. Symptom: sheet rendered at 1324×255 at
 * top:255 instead of viewport-filling. Fix: explicit viewport units +
 * !important to overpower any ancestor stack interference, plus the
 * JS now also stamps inline styles when appending.
 */
.sheet--swap {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 9999 !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  transform: none !important;  /* defeat inherited .sheet translateY */
}
.sheet--swap .sheet-scrim {
  position: absolute;
  inset: 0;
  background: transparent;
}
.sheet-body--swap {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  background: var(--bg-1);
  border-radius: 16px;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.swap-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.swap-title {
  font: 700 18px/1.2 var(--font-sans);
  margin: 0;
  color: var(--paper);
}
.swap-close {
  background: transparent;
  border: none;
  color: var(--paper-mute);
  font-size: 26px;
  cursor: pointer;
  padding: 0 8px;
}
.swap-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 500 13px/1.2 var(--font-sans);
  color: var(--paper-dim);
}
.swap-search {
  display: block;
  width: 100%;
  padding: 10px 12px;
  font: 500 14px/1.2 var(--font-sans);
  color: var(--paper);
  background: var(--bg-2);
  border: 1px solid var(--hair);
  border-radius: 10px;
  outline: none;
}
.swap-search::placeholder { color: var(--paper-mute); }
.swap-search:focus { border-color: var(--accent); }
.swap-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.swap-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--hair);
  border-radius: 10px;
  background: var(--bg-2);
  text-align: left;
  cursor: pointer;
  transition: border-color 120ms ease;
}
.swap-row:hover {
  border-color: var(--accent);
}
.swap-row-name {
  font: 600 15px/1.2 var(--font-sans);
  color: var(--paper);
}
.swap-row-muscles {
  font: 500 11px/1.3 var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--paper-mute);
}
.swap-empty {
  text-align: center;
  color: var(--paper-mute);
  font-size: 13px;
  padding: 20px;
}
.swap-confirm {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 4px;
}
.swap-confirm-line {
  font-size: 15px;
  color: var(--paper);
  margin: 0 0 6px;
}
.swap-confirm-btn {
  padding: 12px 16px;
  border: 1px solid var(--hair);
  background: var(--bg-2);
  border-radius: 10px;
  font: 600 14px/1 var(--font-sans);
  color: var(--paper);
  cursor: pointer;
}
.swap-confirm-btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}
.swap-confirm-back {
  background: transparent;
  border: none;
  color: var(--paper-mute);
  font-size: 13px;
  cursor: pointer;
  margin-top: 4px;
}

.ex-prescribed {
  font: 500 12px/1.3 var(--font-mono);
  color: var(--paper-dim);
  letter-spacing: 0.04em;
  text-align: right;
  white-space: nowrap;
}
.ex-prescribed b {
  color: var(--paper);
  font-weight: 600;
}
.ex-last {
  color: var(--paper-mute);
  font-weight: 500;
}

/* ── Set rows ───────────────────────────────────────────────── */
.sets {
  padding: 4px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Column headers above the set rows. Mirrors the .set grid template so
   "Lb" sits exactly above the weight cell, "Reps" exactly above the reps
   cell. Quiet mono uppercase — labels, not data. */
.sets-header {
  display: grid;
  grid-template-columns: 28px 1fr 64px 56px 32px;
  align-items: center;
  gap: 8px;
  padding: 8px 8px 4px;
  font: 600 9px/1 var(--font-mono);
  letter-spacing: 0.18em;
  color: var(--paper-mute);
  text-transform: uppercase;
}
.sets-header-last { text-align: left; }
.sets-header-w,
.sets-header-r   { text-align: center; }

.set {
  display: grid;
  grid-template-columns: 28px 1fr 64px 56px 32px;
  align-items: center;
  gap: 8px;
  padding: 10px 8px;
  border-radius: 10px;
  background: var(--bg-2);
  border: 1px solid transparent;
  -webkit-tap-highlight-color: transparent;
  text-align: left;
  width: 100%;
  cursor: pointer;
  transition: background var(--motion-state) var(--ease-out-quint),
              border-color var(--motion-state) var(--ease-out-quint),
              transform var(--motion-tap) var(--ease-out-quint);
}
.set:active { transform: scale(0.99); }

.set-n {
  font: 600 11px/1 var(--font-mono);
  color: var(--paper-mute);
  letter-spacing: 0.08em;
  text-align: center;
}

.set-meta {
  font: 500 11px/1.2 var(--font-mono);
  color: var(--paper-dim);
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.set-meta b { color: var(--paper); font-weight: 600; }
.set-meta--idle { color: var(--paper-mute); }

.set-w,
.set-r {
  font: 600 14px/1 var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1, 'lnum' 1;
  color: var(--paper);
  text-align: center;
  padding: 6px 4px;
  border: 1px solid var(--hair);
  border-radius: 6px;
  background: transparent;
}

.set-check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--hair);
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--bg);
  transition: background var(--motion-state) var(--ease-out-quint),
              border-color var(--motion-state) var(--ease-out-quint);
}
.set-check svg {
  width: 14px;
  height: 14px;
  display: block;
}

.set--up {
  border-color: var(--green);
  background: linear-gradient(135deg, var(--green-glow), transparent 60%), var(--bg-2);
}
.set--up .set-n { color: var(--green); }
.set--up .set-check { border-color: var(--green); }

.set--done {
  background: rgba(52, 209, 113, 0.04);
  border-color: rgba(52, 209, 113, 0.2);
}
.set--done .set-n { color: var(--green); }
.set--done .set-w,
.set--done .set-r { border-color: transparent; }
.set--done .set-check {
  background: var(--green);
  border-color: var(--green);
}

/* ── Coaching cue (vertical green bar on left) ──────────────── */
.coaching-block {
  position: relative;
  margin: 0;
  padding: 10px 18px 14px 30px;
  border-top: 1px solid var(--hair-soft);
  font: 500 12px/1.4 var(--font-sans);
  font-style: italic;
  color: var(--paper-dim);
  letter-spacing: 0.005em;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.coaching-block::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--green);
}
.coaching-block p { margin: 0; }
.coaching-block strong {
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.005em;
  font-style: normal;
}

/* ── Set-log sheet helpers — used inside the bottom sheet ───── */
.sheet-bw-tag {
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-left: 4px;
}

/* ── Empty/error states (auth boundary + load errors) ───────── */
.train-empty {
  font: 500 15px/1.55 var(--font-sans);
  color: var(--paper-dim);
  max-width: 340px;
}

.train-empty-title {
  font: 800 36px/1.05 var(--font-sans);
  letter-spacing: -0.03em;
  color: var(--paper);
  margin-bottom: var(--space-3);
}

/* ── Weigh-in row (today's prescribed-day prompt) ───────────── */
.train-weigh-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-5);
  background: var(--bg-2);
  border: 1px solid var(--hair);
  border-radius: 14px;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}

.train-weigh-label {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

.train-weigh-cta {
  font: 600 15px/1 var(--font-sans);
  color: var(--green);
}

/* ── Rest-day block ─────────────────────────────────────────── */
.train-day-title {
  font: 800 44px/1 var(--font-sans);
  letter-spacing: -0.04em;
  color: var(--paper);
  margin-top: var(--space-3);
}

.train-rest-context {
  font: 500 15px/1.5 var(--font-sans);
  color: var(--paper-dim);
  margin-top: var(--space-3);
  margin-bottom: var(--space-6);
  max-width: 420px;
}

.train-week-progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  margin-bottom: var(--space-6);
}

.train-week-progress-label {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

.train-week-progress-value {
  font: 700 28px/1 var(--font-sans);
  letter-spacing: -0.015em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1, 'lnum' 1;
}

.train-recap {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--hair);
}
.train-recap:last-of-type { border-bottom: none; }

.train-recap-eyebrow {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: var(--space-2);
}

.train-recap-title {
  font: 700 18px/1.1 var(--font-sans);
  letter-spacing: -0.005em;
  color: var(--paper);
}

.train-recap-meta {
  font: 500 13px/1.3 var(--font-mono);
  color: var(--paper-dim);
  margin-top: var(--space-1);
  letter-spacing: 0.02em;
}

/* ── Make-up affordance ─────────────────────────────────────── */
.train-makeup-eyebrow {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.train-makeup-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.train-makeup-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--bg-1);
  border: 1px solid var(--hair);
  border-left: 1.5px solid var(--green-dim);
  border-radius: 12px;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--motion-state) var(--ease-out-quint);
}
.train-makeup-row:active { background: var(--bg-2); }

.train-makeup-day {
  font: 600 13px/1 var(--font-mono);
  color: var(--paper-mute);
  letter-spacing: 0.06em;
  min-width: 80px;
}

.train-makeup-name {
  flex: 1;
  font: 600 15px/1 var(--font-sans);
  letter-spacing: -0.005em;
  color: var(--paper);
}

.train-makeup-arrow {
  font: 600 18px/1 var(--font-mono);
  color: var(--paper-mute);
  margin-left: var(--space-2);
}

.train-makeup-tag {
  display: inline-block;
  margin-top: var(--space-3);
  padding: 4px 10px;
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-glow);
  border-radius: 999px;
}

/* ── Extra session button (hidden) ──────────────────────────── */
.train-extra-session-row { display: none; }

.log-button {
  display: block;
  width: 100%;
  padding: var(--space-5);
  background: transparent;
  border: 1px dashed var(--hair);
  border-radius: 14px;
  color: var(--paper-dim);
  font: 500 15px/1 var(--font-sans);
  text-align: center;
  -webkit-tap-highlight-color: transparent;
  transition: border-color var(--motion-state) var(--ease-out-quint),
              color var(--motion-state) var(--ease-out-quint);
}
.log-button:active {
  border-color: var(--green);
  color: var(--green);
}

/* ── Retired classes — hidden so any legacy DOM is harmless ─── */
.session-strip,
.session-card,
.session-card-day,
.session-card-name,
.session-card-dot,
.session-card-preview,
.session-card-preview-weight,
.exercise-card,
.exercise-card-header,
.exercise-headings,
.exercise-name,
.exercise-prescription,
.exercise-order,
.exercise-bw-tag,
.weight-row,
.weight-row--bw,
.weight-button,
.weight-display,
.weight-value--bw,
.weight-history,
.set-buttons-row,
.set-button,
.set-button-label,
.set-button-eyebrow,
.set-button-value,
.train-session-sub,
.train-session-focus,
.train-session-progress,
.train-session-progress-bar { display: none; }