/* ==========================================================================
   digistay-checkin.css — visuals for /work/digistay-checkin/ only.
   Tokens everywhere, except inside .phone__screen and the .idcard mock
   (physical objects with their own fixed colours).
   Prefixes: race, ocr, idcard, app, cap/cam, tradeoff, esc.
   ========================================================================== */

/* ---------- Fig 01: paper vs digital race ---------- */
.race { display: grid; gap: 1.5rem; }
.race__head { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.25rem; }
.race__head .mono { margin-right: auto; }
.race__clock { display: inline-flex; align-items: baseline; gap: .45rem; font: 400 2.2rem/1 var(--font-serif); color: var(--ink); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.race__clock small { font: 500 .66rem/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.race__lanes { display: grid; gap: 1.6rem; }
.race__lane { display: grid; gap: .6rem; }
.race__label { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.race__label b { font-weight: 500; color: var(--ink); }
.race__time { font: 400 1.5rem/1 var(--font-serif); color: var(--muted); font-variant-numeric: tabular-nums; transition: color .4s; }
.race__lane--digital .race__time.is-done { color: var(--signal-ink); }
.race__lane--paper .race__time.is-done { color: var(--ink); }
.race__track { position: relative; height: 14px; border-radius: 999px; background: var(--paper-2); }
.race__fill { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: inherit; }
.race__lane--paper .race__fill { background: var(--before); }
.race__lane--digital .race__fill { background: var(--signal); }
.race__range {
  position: absolute; top: -6px; bottom: -6px; left: calc(10 / 15 * 100%); right: 0; border-radius: 6px;
  border: 1px dashed var(--line-strong);
  background: repeating-linear-gradient(-45deg, transparent 0 5px, var(--line) 5px 6px);
  opacity: 0; transition: opacity .6s var(--ease-out);
}
.race__range span { position: absolute; right: 0; top: calc(100% + 6px); font: 400 .68rem/1 var(--font-mono); color: var(--muted); white-space: nowrap; }
.race__range.is-on { opacity: 1; }
.race__steps { list-style: none; margin: .3rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .35rem; }
.race__steps li {
  display: inline-flex; align-items: center; gap: .35rem; min-height: 28px; padding: 0 .6rem; border-radius: 999px;
  border: 1px solid var(--line); font: 400 .78rem/1.2 var(--font-sans); color: var(--muted);
  transition: color .3s, border-color .3s, background-color .3s;
}
.race__steps li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--line-strong); transition: background-color .3s; }
.race__steps li.is-done { color: var(--ink); border-color: var(--line-strong); }
.race__steps li.is-done::before { background: var(--ink-2); }
.race__lane--digital .race__steps li.is-done { background: var(--signal-soft); border-color: transparent; color: var(--signal-ink); }
.race__lane--digital .race__steps li.is-done::before { background: var(--signal); }
.race__axis { position: relative; height: 1.6rem; padding-top: .5rem; border-top: 1px solid var(--line); font: 400 .7rem/1 var(--font-mono); color: var(--muted); margin-top: .6rem; }
.race__axis span { position: absolute; top: .5rem; }
.race__axis span:nth-child(1) { left: 0; }
.race__axis span:nth-child(2) { left: calc(100% / 3); transform: translateX(-50%); }
.race__axis span:nth-child(3) { left: calc(200% / 3); transform: translateX(-50%); }
.race__axis span:nth-child(4) { right: 0; }
.race__axis span:nth-child(2)::before, .race__axis span:nth-child(3)::before { content: ""; position: absolute; left: 50%; top: -.5rem; width: 1px; height: .3rem; background: var(--line-strong); }

/* ---------- Fig 02: OCR check-in demo ---------- */
.ocr { display: grid; gap: 1.5rem; }
.ocr__bar { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; }
.ocr__status { color: var(--ink-2); }
.ocr__stage { display: grid; gap: 1.25rem; justify-items: center; align-items: center; }
@media (min-width: 900px) { .ocr__stage { grid-template-columns: minmax(0, 1fr) auto minmax(0, 280px); } }
.ocr__id { display: grid; gap: .6rem; width: 100%; max-width: 360px; }
.ocr__cap { text-align: center; }
.ocr__arrow { display: grid; place-items: center; width: 64px; height: 40px; position: relative; }
.ocr__arrow::before { content: ""; position: absolute; top: 50%; left: 4px; right: 4px; height: 1px; background: var(--line-strong); }
.ocr__arrow span {
  position: relative; padding: .3rem .5rem; border-radius: 6px; background: var(--surface); border: 1px solid var(--line-strong);
  font: 500 .64rem/1 var(--font-mono); letter-spacing: .08em; color: var(--muted); transition: color .3s, border-color .3s;
}
.ocr[data-phase="2"] .ocr__arrow span { color: var(--signal-ink); border-color: var(--signal); }
@media (max-width: 899px) { .ocr__arrow { width: 48px; height: 52px; } .ocr__arrow::before { top: 2px; bottom: 2px; left: 50%; right: auto; width: 1px; height: auto; } }

/* the ID card — a physical object, fixed colours allowed here */
.idcard {
  position: relative; overflow: hidden; aspect-ratio: 1.586; width: 100%; border-radius: 14px;
  background: linear-gradient(135deg, #f8f5ec 0%, #ece6d6 100%); color: #1d1c18;
  box-shadow: 0 1px 0 rgba(0,0,0,.06), 0 18px 36px -18px rgba(0,0,0,.45); font-size: 12px; line-height: 1.3;
}
.idcard__band { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: 7% 6% 4%; }
.idcard__band span:first-child { font: 600 .78rem/1 var(--font-sans); letter-spacing: .12em; text-transform: uppercase; color: #2a3f55; }
.idcard__sample { font: 500 .52rem/1.2 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: #b4401a; border: 1px solid currentColor; padding: .2rem .35rem; border-radius: 3px; text-align: right; }
.idcard__body { display: grid; grid-template-columns: 26% 1fr; gap: 5%; padding: 0 6%; }
.idcard__photo { aspect-ratio: .8; border-radius: 6px; background: #d9d2c0; position: relative; overflow: hidden; }
.idcard__photo i { position: absolute; left: 50%; bottom: -18%; width: 78%; aspect-ratio: 1; transform: translateX(-50%); border-radius: 50% 50% 0 0; background: #b9b09a; }
.idcard__photo::before { content: ""; position: absolute; left: 50%; top: 18%; width: 40%; aspect-ratio: 1; transform: translateX(-50%); border-radius: 50%; background: #b9b09a; }
.idcard__fields { display: grid; gap: .3em; align-content: start; min-width: 0; }
.idcard__fields p { margin: 0; padding: .15em .3em; border-radius: 4px; font-weight: 500; font-size: clamp(9.5px, 2.6vw, 12px); color: #1d1c18; transition: background-color .35s, box-shadow .35s; }
.idcard__fields p span { display: block; font: 500 .62em/1.2 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: #6f6a5d; }
.idcard__fields p.is-read { background: rgba(239, 79, 22, .14); box-shadow: inset 0 0 0 1.5px #ef4f16; }
.idcard__no { font-family: var(--font-mono) !important; letter-spacing: .04em; }
.idcard__scan {
  position: absolute; left: 0; right: 0; top: 0; height: 22%; opacity: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(239, 79, 22, 0) 0%, rgba(239, 79, 22, .22) 85%, #ef4f16 100%);
}
.ocr.is-scanning .idcard__scan { animation: ocr-scan 1.2s var(--ease-in-out) both; }
@keyframes ocr-scan { 0% { opacity: 1; transform: translateY(-100%); } 90% { opacity: 1; } 100% { opacity: 0; transform: translateY(460%); } }
.idcard__flash { position: absolute; inset: 0; background: #fff; opacity: 0; pointer-events: none; }
.ocr.is-flash .idcard__flash { animation: ocr-flash .45s ease-out both; }
@keyframes ocr-flash { from { opacity: .85; } to { opacity: 0; } }

/* the phone running the staff app */
.ds-phone { width: min(100%, 272px); aspect-ratio: 9 / 17.5; }
.app { position: absolute; inset: 0; padding: 44px 14px 14px; display: flex; flex-direction: column; gap: 7px; }
.app__bar { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 8px; border-bottom: 1px solid #e6e1d4; }
.app__bar span { font: 500 10px/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: #6c685f; }
.app__bar b { font-weight: 600; font-size: 14px; }
.app__thumb { display: flex; align-items: center; gap: 8px; padding: 6px; border-radius: 8px; background: #efebe0; font-size: 11px; color: #6c685f; }
.app__thumb i { width: 38px; height: 24px; border-radius: 4px; background: #ddd6c4; flex: none; transition: background-color .3s; }
.ocr[data-phase="2"] .app__thumb i, .ocr[data-phase="3"] .app__thumb i, .ocr[data-phase="4"] .app__thumb i { background: linear-gradient(135deg, #f8f5ec, #d8cfb8); box-shadow: inset 0 0 0 1px #c9c0a8; }
.app__f label { display: flex; justify-content: space-between; font: 500 9.5px/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: #6c685f; margin-bottom: 3px; }
.app__f label em { font-style: normal; padding: 2px 4px; border-radius: 3px; background: #efebe0; color: #6c685f; }
.app__f--staff label em { background: #15140f; color: #fbf9f4; }
.app__v { height: 28px; padding: 0 8px; border-radius: 7px; border: 1px solid #e0dacb; background: #fff; display: flex; align-items: center; overflow: hidden; font-size: 12px; color: #15140f; transition: border-color .3s, background-color .3s; }
.app__v span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app__f:not(.app__f--staff) .app__v span { opacity: 0; transform: translateY(4px); transition: opacity .35s var(--ease-out), transform .35s var(--ease-out); }
.app__f.is-filled .app__v { border-color: #ef4f16; background: #fff4ee; }
.app__f.is-filled .app__v span { opacity: 1; transform: none; }
.app__f.is-typing .app__v { border-color: #15140f; }
.app__f.is-typing .app__v span::after { content: "|"; margin-left: 1px; animation: ocr-caret .8s steps(1) infinite; }
@keyframes ocr-caret { 50% { opacity: 0; } }
.app__cta { margin-top: auto; height: 36px; border-radius: 999px; display: grid; place-items: center; background: #d9d4c8; color: #fbf9f4; font-weight: 600; font-size: 12.5px; transition: background-color .3s; }
.ocr[data-phase="3"] .app__cta, .ocr[data-phase="4"] .app__cta { background: #15140f; }
.app__done {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 6px; text-align: center;
  background: rgba(251, 249, 244, .96); opacity: 0; visibility: hidden; transition: opacity .45s var(--ease-out), visibility .45s;
}
.app__done b { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: #ef4f16; color: #fff; font-size: 24px; transform: scale(.6); transition: transform .6s var(--ease-out); }
.app__done span { font-weight: 600; font-size: 16px; }
.app__done small { font: 400 10.5px/1.3 var(--font-mono); color: #6c685f; }
.ocr[data-phase="4"] .app__done { opacity: 1; visibility: visible; }
.ocr[data-phase="4"] .app__done b { transform: none; }

/* ---------- Fig 03: capture guidance ---------- */
.cap { display: grid; gap: 1.5rem; }
.cap__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; }
.cap .seg { flex-wrap: wrap; max-width: 100%; }
.cap__stage { display: grid; gap: 1.5rem; align-items: center; justify-items: center; }
@media (min-width: 760px) { .cap__stage { grid-template-columns: 250px minmax(0, 1fr); justify-items: start; gap: clamp(24px, 4vw, 56px); } }
.ds-phone--cam { width: 250px; max-width: 100%; aspect-ratio: 9 / 16; }
.cam { position: absolute; inset: 0; display: flex; flex-direction: column; padding: 46px 12px 16px; gap: 12px; }
.cam__view {
  position: relative; flex: 1; border-radius: 14px; overflow: hidden;
  background: radial-gradient(120% 90% at 30% 20%, #3a3833 0%, #1c1b18 70%);
}
.cam__frame { position: absolute; left: 9%; right: 9%; top: 32%; aspect-ratio: 1.586; }
.cam__frame i { position: absolute; width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,.75); transition: border-color .35s; }
.cam__frame i:nth-child(1) { left: 0; top: 0; border-right: 0; border-bottom: 0; border-radius: 6px 0 0 0; }
.cam__frame i:nth-child(2) { right: 0; top: 0; border-left: 0; border-bottom: 0; border-radius: 0 6px 0 0; }
.cam__frame i:nth-child(3) { left: 0; bottom: 0; border-right: 0; border-top: 0; border-radius: 0 0 0 6px; }
.cam__frame i:nth-child(4) { right: 0; bottom: 0; border-left: 0; border-top: 0; border-radius: 0 0 6px 0; }
.cap[data-mode="before"] .cam__frame { display: none; }
.cap[data-mode="after"][data-phase="2"] .cam__frame i,
.cap[data-mode="after"][data-phase="3"] .cam__frame i { border-color: #3ad07a; }

.cam__card {
  position: absolute; left: 12%; right: 12%; top: 34%; aspect-ratio: 1.586; border-radius: 6px;
  background: linear-gradient(135deg, #f8f5ec, #e3dccb); padding: 7%; display: grid; grid-template-columns: 28% 1fr; grid-template-rows: repeat(3, 1fr); gap: 6% 8%;
  transition: transform 1.3s var(--ease-out), filter .6s, opacity .4s;
}
.cam__card b { grid-row: span 3; border-radius: 3px; background: #cfc6b1; }
.cam__card i { border-radius: 2px; background: #8b8574; height: 5px; align-self: center; }
.cam__card i:nth-of-type(2) { width: 70%; }
.cam__card i:nth-of-type(3) { width: 85%; }
/* without guidance: tilted, cropped, blurry, dark */
.cap[data-mode="before"] .cam__card { transform: translate(38%, 30%) rotate(-11deg) scale(1.08); filter: blur(2.6px) brightness(.5); }
.cap[data-mode="before"][data-phase="0"] .cam__card { transform: translate(10%, 10%) rotate(-4deg); filter: blur(1px) brightness(.6); }
/* with guidance: starts off, glides into the frame */
.cap[data-mode="after"][data-phase="0"] .cam__card { transform: translate(30%, 40%) rotate(9deg) scale(.9); filter: brightness(.85); }
.cap[data-mode="after"][data-phase="1"] .cam__card { transform: translate(6%, 8%) rotate(3deg); filter: brightness(.95); }
.cap[data-mode="after"][data-phase="2"] .cam__card,
.cap[data-mode="after"][data-phase="3"] .cam__card { transform: none; filter: none; }

.cam__tick {
  position: absolute; right: 10px; top: 10px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: #3ad07a; color: #0f2a19; font-weight: 700; font-size: 18px; transform: scale(0); transition: transform .45s var(--ease-out);
}
.cap[data-mode="after"][data-phase="2"] .cam__tick,
.cap[data-mode="after"][data-phase="3"] .cam__tick { transform: scale(1); }
.cam__hint { margin: 0; text-align: center; font-size: 12px; color: #c9c5bb; min-height: 2.6em; display: grid; place-items: center; transition: color .3s; }
.cap[data-mode="after"][data-phase="2"] .cam__hint, .cap[data-mode="after"][data-phase="3"] .cam__hint { color: #3ad07a; font-weight: 600; }
.cam__shutter { width: 46px; height: 46px; margin: 0 auto; border-radius: 50%; border: 3px solid #efebe2; position: relative; flex: none; }
.cam__shutter::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: #efebe2; transition: transform .2s; }
.cap[data-phase="3"] .cam__shutter::after { transform: scale(.85); }
.cap[data-mode="after"]:not([data-phase="2"]):not([data-phase="3"]) .cam__shutter { opacity: .35; }
.cap[data-phase="3"] .cam__view::after { content: ""; position: absolute; inset: 0; background: #fff; animation: ocr-flash .45s ease-out both; }

.cap__log { display: grid; gap: .8rem; max-width: 380px; width: 100%; }
.cap__result { font: 400 clamp(1.25rem, 2.2vw, 1.6rem)/1.25 var(--font-serif); color: var(--ink); min-height: 2.5em; }
.cap__result b { font-weight: 400; color: var(--signal-ink); }
.cap__checks { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.cap__checks li {
  display: flex; align-items: center; gap: .6rem; padding: .55rem .75rem; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--surface); font-size: .9rem; color: var(--muted); transition: color .3s, border-color .3s;
}
.cap__checks li::before { content: "·"; width: 1.2em; text-align: center; font: 500 .9rem/1 var(--font-mono); }
.cap__checks li[data-ok="false"] { color: var(--ink); border-style: dashed; border-color: var(--line-strong); }
.cap__checks li[data-ok="false"]::before { content: "✕"; color: var(--muted); }
.cap__checks li[data-ok="true"] { color: var(--ink); border-color: var(--signal); }
.cap__checks li[data-ok="true"]::before { content: "✓"; color: var(--signal-ink); }

/* ---------- The pushback: trade-off ---------- */
.tradeoff {
  margin-top: clamp(32px, 5vw, 48px); display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
@media (min-width: 760px) { .tradeoff { grid-template-columns: 1fr auto 1fr; } }
.tradeoff__col { background: var(--surface); padding: clamp(20px, 2.6vw, 30px); display: grid; gap: .6rem; align-content: start; }
.tradeoff__col h3 { font: 400 2rem/1 var(--font-serif); letter-spacing: -.02em; }
.tradeoff__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.tradeoff__col li { padding: .5rem 0; border-top: 1px dashed var(--line); font-size: .95rem; color: var(--ink-2); }
.tradeoff__col:first-child li { text-decoration: line-through; text-decoration-color: var(--muted); color: var(--muted); }
.tradeoff__col:first-child li::after { content: " · later"; font: 400 .7rem/1 var(--font-mono); text-decoration: none; display: inline-block; margin-left: .3rem; }
.tradeoff__col--pick { background: linear-gradient(var(--signal-soft), var(--signal-soft)), var(--surface); }
.tradeoff__col--pick .mono { color: var(--signal-ink); }
.tradeoff__col--pick li { color: var(--ink); }
.tradeoff__vs { background: var(--surface); display: grid; place-items: center; padding: .5rem 1rem; font: italic 400 1.4rem/1 var(--font-serif); color: var(--muted); }
.tradeoff__verdict { grid-column: 1 / -1; background: var(--ink); color: var(--paper); padding: 1rem clamp(20px, 2.6vw, 30px); font: 400 1.35rem/1.3 var(--font-serif); display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem 1rem; }
.tradeoff__verdict .mono { color: color-mix(in srgb, var(--paper) 65%, transparent); }

/* ---------- Fig 04: escalation ladder ---------- */
.esc { display: grid; gap: 1.5rem; container-type: inline-size; }
.esc__bar { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; }
.esc .seg { flex-wrap: wrap; }
.esc__steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.esc__steps li {
  position: relative; display: grid; grid-template-columns: 5.5rem 1fr; gap: .75rem; align-items: start;
  padding: .8rem .9rem; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--paper);
  opacity: .4; transition: opacity .45s var(--ease-out), border-color .4s, background-color .4s;
}
.esc__steps li b { display: block; font-weight: 500; color: var(--ink); font-size: .95rem; line-height: 1.3; }
.esc__steps li p { font-size: .84rem; color: var(--muted); line-height: 1.45; margin-top: .2rem; }
.esc__t { color: var(--muted); padding-top: .2rem; }
.esc__steps li.is-on { opacity: 1; border-color: var(--line-strong); }
.esc__steps li.is-stop { opacity: 1; border-color: var(--signal); background: var(--signal-soft); }
.esc__steps li.is-stop::after {
  content: "Confirmed ✓"; position: absolute; right: .7rem; top: .8rem; font: 500 .62rem/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase;
  color: var(--signal-ink);
}
.esc__steps li.is-final { opacity: 1; border-color: var(--ink); }
.esc__out { font: 400 1.25rem/1.35 var(--font-serif); color: var(--ink); min-height: 1.4em; }
.esc__out b { font-weight: 400; color: var(--signal-ink); }
@container (min-width: 700px) {
  .esc__steps { grid-template-columns: repeat(5, minmax(0, 1fr)); align-items: end; }
  .esc__steps li { grid-template-columns: 1fr; gap: .5rem; min-height: 150px; align-content: start; }
  .esc__steps li:nth-child(1) { margin-top: 64px; }
  .esc__steps li:nth-child(2) { margin-top: 48px; }
  .esc__steps li:nth-child(3) { margin-top: 32px; }
  .esc__steps li:nth-child(4) { margin-top: 16px; }
  .esc__steps li.is-stop::after { position: static; display: block; margin-top: .3rem; }
}

/* ---------- Results: six metrics ---------- */
.ds-results .metric__value { font-size: clamp(2.6rem, 5vw, 4.2rem); }

@media (prefers-reduced-motion: reduce) {
  .ocr.is-scanning .idcard__scan, .ocr.is-flash .idcard__flash, .cap[data-phase="3"] .cam__view::after { animation: none; }
  .app__f.is-typing .app__v span::after { animation: none; }
}
.cap[data-mode="before"] .cap__result b { color: var(--ink); font-style: italic; }
.race__lane--paper .race__steps { margin-top: 1.5rem; }

/* the lead result takes the signal colour (base .metric__value would otherwise win) */
.results .metric__value.accent { color: var(--signal); }