/* HSD — dark, high contrast, thumb-first. No animations on any input path. */

:root {
  --bg:        #0b0d10;
  --bg-2:      #12161b;
  --card:      #161b21;
  --card-2:    #1e242c;
  --line:      #2b333d;
  --line-2:    #3b4653;
  --text:      #f3f6f9;
  --muted:     #9fadbb;
  --muted-2:   #76838f;
  --accent:    #57c9ff;
  --accent-ink:#04212f;
  --ok:        #3ddc97;
  --warn:      #ffb020;
  --warn-ink:  #2a1c00;
  --danger:    #ff6b6b;
  --danger-ink:#2b0808;

  --tap: 48px;
  --pad: 14px;
  --radius: 12px;

  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);

  --topbar-h: 62px;
  --tabbar-h: 60px;

  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.35;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-y: none;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  padding-left: var(--safe-l);
  padding-right: var(--safe-r);
}

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

input, textarea, select {
  font: inherit;
  font-size: 16px; /* iOS zooms below 16px */
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 12px;
  width: 100%;
  min-height: var(--tap);
  -webkit-appearance: none;
}

input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.hidden { display: none !important; }
.tnum { font-variant-numeric: tabular-nums; }

/* ---------- top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding-top: var(--safe-t);
}

.topbar-main {
  display: flex;
  align-items: center;
  gap: 8px;
  height: var(--topbar-h);
  padding: 0 10px;
}

.topbar-titles { flex: 1 1 auto; min-width: 0; }
.topbar-date { font-size: 16px; font-weight: 650; letter-spacing: .2px; }
.topbar-sub { font-size: 12px; color: var(--muted-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.chip {
  flex: 0 0 auto;
  min-height: 44px;
  min-width: 44px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--card);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.chip-icon { font-size: 19px; padding: 0 10px; }
.chip-loc { text-transform: lowercase; }

.chip-sync {
  background: var(--warn);
  color: var(--warn-ink);
  border-color: var(--warn);
}
.chip-sync.is-error { background: var(--danger); color: #fff; border-color: var(--danger); }
.chip-sync.is-working { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* ---------- layout ---------- */

#main {
  padding: 12px 12px calc(var(--tabbar-h) + var(--safe-b) + 24px);
  max-width: 720px;
  margin: 0 auto;
}

.tabbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 20;
  display: flex;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding-bottom: var(--safe-b);
}

.tab {
  flex: 1 1 0;
  min-height: var(--tabbar-h);
  font-size: 16px;
  font-weight: 650;
  color: var(--muted);
  border-top: 3px solid transparent;
  user-select: none;
  -webkit-user-select: none;
}
.tab.is-active { color: var(--text); border-top-color: var(--accent); }

/* ---------- cards ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--pad);
  margin: 0 0 12px;
}

.card.is-hold { border-color: var(--warn); }

.slot-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.axis { color: var(--muted-2); letter-spacing: .06em; }

.variant-name {
  font-size: 20px;
  font-weight: 650;
  margin: 2px 0 0;
}

.step-label {
  font-size: 40px;
  font-weight: 750;
  line-height: 1.05;
  margin: 10px 0 2px;
  letter-spacing: -.5px;
  font-variant-numeric: tabular-nums;
}
.step-caption { font-size: 12px; color: var(--muted-2); text-transform: uppercase; letter-spacing: .1em; }

.prescription {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
}

.pres-cell {
  flex: 1 1 76px;
  background: var(--card-2);
  border-radius: 10px;
  padding: 8px 10px;
}
.pres-cell .k { font-size: 11px; color: var(--muted-2); text-transform: uppercase; letter-spacing: .1em; }
.pres-cell .v { font-size: 19px; font-weight: 650; font-variant-numeric: tabular-nums; }

.rom {
  margin: 10px 0 0;
  padding: 10px;
  border-radius: 10px;
  background: var(--card-2);
  border-left: 3px solid var(--accent);
  font-size: 15px;
}
.rom .k { font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: .1em; display: block; }
.rom.rom-missing { border-left-color: var(--warn); }
.rom.rom-missing .k { color: var(--warn); }

.banner {
  margin: 10px 0 0;
  padding: 12px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
}
.banner-hold { background: var(--warn); color: var(--warn-ink); }
.banner-hold .t { display: block; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; font-weight: 800; }
.banner-note { background: var(--card-2); color: var(--text); font-weight: 400; font-size: 15px; }
.banner-side { background: var(--danger-ink); border: 1px solid var(--danger); color: var(--text); font-weight: 500; font-size: 15px; }

.badges { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; }
.badge {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--card-2);
  color: var(--muted);
  border: 1px solid var(--line);
}
.badge-quiet { color: var(--muted-2); }
.badge-stalled { background: transparent; color: var(--warn); border-color: var(--warn); }

.detail { margin: 10px 0 0; }
.detail summary {
  list-style: none;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}
.detail summary::-webkit-details-marker { display: none; }
.detail summary::after { content: " ▾"; }
.detail[open] summary::after { content: " ▴"; }
.detail .body { font-size: 15px; color: var(--muted); padding-bottom: 4px; }
.detail .body p { margin: 0 0 8px; }

/* ---------- swaps ---------- */

.swaps { margin: 14px 0 0; border-top: 1px solid var(--line); padding-top: 12px; }
.swaps-title { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 8px; }

.swap {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: var(--tap);
  text-align: left;
  padding: 10px 12px;
  margin-bottom: 8px;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  background: var(--bg-2);
}
.swap:last-child { margin-bottom: 0; }
.swap.is-active { border-color: var(--accent); background: rgba(87,201,255,.12); }
.swap .mark {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--line-2);
  display: inline-block;
}
.swap.is-active .mark { border-color: var(--accent); background: var(--accent); box-shadow: inset 0 0 0 4px var(--card); }
.swap .txt { flex: 1 1 auto; min-width: 0; }
.swap .txt .n { font-size: 16px; font-weight: 600; }
.swap .txt .s { font-size: 13px; color: var(--muted-2); }
.swap .step { flex: 0 0 auto; font-size: 15px; font-weight: 650; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------- circuit checklist ---------- */

.circuit-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  min-height: 56px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  margin-bottom: 8px;
}
.circuit-item .box {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  border-radius: 7px;
  border: 2px solid var(--line-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; color: transparent;
}
.circuit-item.is-done .box { background: var(--ok); border-color: var(--ok); color: #06231a; }
.circuit-item.is-done .n { color: var(--muted); text-decoration: line-through; }
.circuit-item .n { font-size: 16px; font-weight: 600; }
.circuit-item .s { font-size: 13px; color: var(--muted-2); }

/* ---------- log rows ---------- */

.setrow {
  border-top: 1px solid var(--line);
  padding: 12px 0 4px;
}
.setrow.is-done { opacity: .92; }

.setrow-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.setnum {
  font-size: 14px;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  min-width: 74px;
}
.setnum .side { color: var(--accent); }
.setrow.is-done .setnum { color: var(--ok); }

.stepper-group { display: flex; gap: 8px; }

.stepper {
  flex: 1 1 0;
  display: flex;
  align-items: stretch;
  background: var(--card-2);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.stepper button {
  flex: 0 0 54px;
  min-height: 56px;
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  user-select: none;
  -webkit-user-select: none;
}
.stepper button:disabled { color: var(--line-2); }
.stepper button:active { background: var(--line); }
.stepper .val {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  user-select: none;
  -webkit-user-select: none;
  padding: 0 2px;
}
.stepper .val .n { font-size: 26px; font-weight: 750; font-variant-numeric: tabular-nums; line-height: 1; }
.stepper .val .k { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); margin-top: 3px; }
.stepper .val .n.out-of-bracket { color: var(--warn); }

.setrow-actions { display: flex; gap: 8px; margin-top: 8px; align-items: stretch; }

.btn {
  min-height: var(--tap);
  border-radius: 11px;
  border: 1px solid var(--line-2);
  background: var(--card-2);
  padding: 0 14px;
  font-size: 16px;
  font-weight: 650;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  user-select: none;
  -webkit-user-select: none;
}
.btn:active { background: var(--line); }
.btn-grow { flex: 1 1 auto; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 750; }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-sm { min-height: 44px; font-size: 15px; padding: 0 12px; }
.btn-block { width: 100%; }

.btn-flag {
  flex: 0 0 auto;
  min-width: 96px;
  border-color: var(--line-2);
}
.btn-flag.is-on { background: var(--danger); border-color: var(--danger); color: #fff; }

.setrow-note { margin-top: 8px; }

/* Load sits above the rep/RIR steppers: it is the first thing you set when
   you pick the weight up, and usually the thing you do not touch. */
.stepper-load { margin-bottom: 8px; }
.stepper-load .n { color: var(--accent, inherit); }
.setrow-load { margin-bottom: 8px; }
.setrow-load input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  font-size: 16px;              /* 16px or iOS zooms the page on focus */
  color: var(--fg);
  background: var(--card-2);
  border: 1px solid var(--line-2);
  border-radius: 12px;
}

/* Finishing a partial session is a normal outcome, not a failure, so this
   is styled as an ordinary action rather than a warning. */
.session-end { margin: 18px 0 8px; }
.session-summary {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
  line-height: 1.5;
}
.session-summary .skipped { color: var(--muted-2); }
.logged-line {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
}
.logged-val { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.logged-meta { font-size: 14px; color: var(--muted); flex: 1 1 auto; }
.logged-meta .flagged { color: var(--danger); font-weight: 700; }
.logged-sync { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); }
.logged-sync.pending { color: var(--warn); }

.log-card-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.log-card-head .step-inline { font-size: 22px; font-weight: 750; margin-left: auto; font-variant-numeric: tabular-nums; }
.log-sub { font-size: 14px; color: var(--muted); margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.log-progress { font-size: 13px; color: var(--muted-2); margin-top: 2px; }

.uni-toggle { display: flex; align-items: center; gap: 8px; margin-top: 10px; }

/* ---------- overlay / modals ---------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(4,6,9,.92);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: calc(var(--safe-t) + 16px) 14px calc(var(--safe-b) + 28px);
}

.sheet {
  max-width: 560px;
  margin: 0 auto;
}
.sheet h1 { font-size: 24px; line-height: 1.2; margin: 6px 0 4px; }
.sheet h2 { font-size: 15px; margin: 22px 0 8px; color: var(--muted); font-weight: 650; }
.sheet p.lede { color: var(--muted); font-size: 15px; margin: 0 0 18px; }
.sheet label { display: block; font-size: 14px; color: var(--muted); margin: 0 0 6px; }
.sheet .field { margin-bottom: 14px; }
.sheet .hint { font-size: 13px; color: var(--muted-2); margin-top: 6px; }

.bigchoice {
  display: block;
  width: 100%;
  min-height: 68px;
  margin-bottom: 10px;
  border-radius: 14px;
  border: 1px solid var(--line-2);
  background: var(--card);
  font-size: 20px;
  font-weight: 700;
  text-align: left;
  padding: 0 18px;
}
.bigchoice .sub { display: block; font-size: 13px; font-weight: 500; color: var(--muted-2); }
.bigchoice:active { background: var(--card-2); }
.bigchoice.is-fine { border-color: var(--ok); }
.bigchoice.is-flare { border-color: var(--danger); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pick {
  min-height: 58px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: var(--card);
  font-size: 17px;
  font-weight: 650;
}
.pick.is-on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
  border-top: 1px solid var(--line);
  font-size: 16px;
}
.switch {
  flex: 0 0 auto;
  min-width: 74px;
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--card-2);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.switch.is-on { background: var(--ok); border-color: var(--ok); color: #06231a; }

.sheet-actions { position: sticky; bottom: 0; padding: 14px 0 0; background: linear-gradient(rgba(4,6,9,0), rgba(4,6,9,.95) 30%); }

/* ---------- misc ---------- */

.empty {
  border: 1px dashed var(--line-2);
  border-radius: var(--radius);
  padding: 24px 18px;
  text-align: center;
  color: var(--muted);
}
.empty h2 { font-size: 18px; color: var(--text); margin: 0 0 8px; }
.empty p { margin: 0 0 14px; font-size: 15px; }

.section-title {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 4px 2px 10px;
}

.demo-strip {
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-align: center;
  padding: 6px;
}

.divider { height: 1px; background: var(--line); margin: 18px 0; }

@media (prefers-reduced-motion: no-preference) {
  /* Deliberately empty: no transitions anywhere on the input path. */
}