/* =============================================================================
   Pre-visit check-in (site/checkin.html) · Agent C · builds on assets/css/site.css
   Medical sci-fi: glass, hairline gradient borders, HUD labels, holographic pass.
   ============================================================================= */
.xc-hud { display: block; margin: 0; font-family: var(--mono); font-size: .62rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--teal); }
.xc-hero { overflow: hidden; }
.xc-hero::before { content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(70% 80% at 75% 30%, #000, transparent 75%); mask-image: radial-gradient(70% 80% at 75% 30%, #000, transparent 75%); }
.xc-hero-in { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(28px, 4vw, 64px); align-items: end; }
.xc-rail { list-style: none; margin: 26px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; counter-reset: r; }
.xc-rail li { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px 7px 8px; border-radius: 99px; border: 1px solid var(--line); background: color-mix(in srgb, var(--card) 70%, transparent); font-size: .78rem; font-weight: 600; color: var(--mut); }
.xc-rail i { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--teal-soft); color: var(--teal); font-size: .78rem; }
.xc-find-card { position: relative; padding: clamp(20px, 2.6vw, 30px); overflow: hidden; }
.xc-find-card::before, .xc-pass::before, .xc-form-wrap::before { content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, color-mix(in srgb, var(--brass) 70%, transparent), transparent 35%, transparent 65%, color-mix(in srgb, var(--teal) 60%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.xc-find { display: grid; gap: 14px; }
.xc-find-h { font-family: var(--serif); font-size: 1.8rem; margin: 0; }
.xc-find-row { display: flex; gap: 10px; }
.xc-find-row input { flex: 1; min-width: 0; font-family: var(--mono); letter-spacing: .03em; }
.xc-find-row .btn { min-height: 50px; flex: none; }
.xc-msg { font-size: .88rem; line-height: 1.5; padding: 10px 14px; border-radius: 12px; background: color-mix(in srgb, var(--warn) 10%, var(--card)); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); }
.xc-msg a { color: var(--brass-text); font-weight: 650; }
.xc-find-foot { display: grid; gap: 10px; justify-items: start; }
.xc-find-foot .fine i { color: var(--teal); }

.xc-main { position: relative; padding: 4px 0 clamp(40px, 5vw, 70px); }
.xc-app:focus { outline: none; }
.xc-idle { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 26px; align-items: center; padding: clamp(20px, 3vw, 32px); border-radius: var(--r-xl); border: 1px dashed var(--line2); background: color-mix(in srgb, var(--card) 55%, transparent); }
.xc-idle h3 { font-family: var(--serif); font-weight: 400; font-size: 1.9rem; margin-top: 4px; }
.xc-idle p:not(.xc-hud) { color: var(--mut); margin-top: 6px; max-width: 620px; line-height: 1.6; }
.xc-idle-art { color: var(--teal); }
.xc-idle-art svg { width: 100%; height: auto; display: block; overflow: visible; }
.xc-draw { stroke-dasharray: 260; stroke-dashoffset: 260; animation: xcDraw 2.4s var(--ease) forwards; }
@keyframes xcDraw { to { stroke-dashoffset: 0; } }
.xc-scan { fill: var(--brass); opacity: .7; filter: drop-shadow(0 0 6px var(--brass)); animation: xcScan 3s ease-in-out infinite alternate; }
@keyframes xcScan { from { transform: translateY(4px); } to { transform: translateY(150px); } }

/* ticket */
.xc-pick { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.xc-pick-b { border: 1px solid var(--line2); background: var(--card); border-radius: 99px; padding: 8px 14px; font-size: .84rem; font-weight: 600; color: var(--mut); }
.xc-pick-b[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.xc-ticket { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: 8px 18px; padding: 16px 20px; border-radius: var(--r-xl);
  background: color-mix(in srgb, var(--card) 90%, transparent); border: 1px solid var(--line); box-shadow: var(--shadow-sm); overflow: hidden; }
.xc-ticket::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 4px; background: linear-gradient(180deg, var(--dh), var(--doc)); }
.xc-t-por { line-height: 0; }
.xc-mono { display: grid; place-items: center; border-radius: 50%; color: #fff; font-family: var(--serif); font-style: italic; font-size: 1.4rem; background: var(--doc); }
.xc-t-main .xc-hud { color: var(--dh); }
.xc-t-main h3 { font-family: var(--serif); font-weight: 400; font-size: 1.65rem; margin-top: 2px; }
.xc-t-main p { color: var(--mut); font-size: .88rem; margin-top: 2px; }
.xc-t-when { display: grid; text-align: right; line-height: 1.15; }
.xc-t-when b { font-weight: 650; }
.xc-t-when span { font-family: var(--mono); font-size: 1.3rem; font-weight: 600; }
.xc-change { border: 0; background: none; color: var(--brass-text); font-weight: 650; font-size: .84rem; display: inline-flex; gap: 6px; align-items: center; padding: 6px 4px; }

/* form */
.xc-form-wrap { position: relative; margin-top: 18px; display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 0; border-radius: var(--r-xl); overflow: hidden;
  background: var(--glass); -webkit-backdrop-filter: blur(16px) saturate(1.2); backdrop-filter: blur(16px) saturate(1.2); border: 1px solid var(--line); box-shadow: var(--shadow); }
.xc-steps { list-style: none; margin: 0; padding: 22px 16px; display: grid; gap: 4px; align-content: start; background: color-mix(in srgb, var(--bg2) 70%, transparent); border-right: 1px solid var(--line); position: relative; }
.xc-steps button { width: 100%; display: flex; align-items: center; gap: 12px; padding: 10px; border: 0; border-radius: 14px; background: transparent; text-align: left; font-size: .9rem; font-weight: 600; color: var(--mut); }
.xc-steps button:not([disabled]):hover { background: var(--card); }
.xc-steps button[disabled] { cursor: default; }
.xc-sn { width: 30px; height: 30px; flex: none; border-radius: 50%; display: grid; place-items: center; border: 1.5px solid var(--line2); font-family: var(--mono); font-size: .82rem; background: var(--card); }
.xc-steps li.on button { color: var(--ink); background: var(--card); box-shadow: var(--shadow-sm); }
.xc-steps li.on .xc-sn { border-color: var(--brass); background: var(--brass); color: #14100a; box-shadow: 0 0 0 4px var(--brass-soft); }
.xc-steps li.done .xc-sn { border-color: var(--teal); background: var(--teal); color: #fff; }
html[data-part="night"] .xc-steps li.done .xc-sn { color: #04121a; }
.xc-form { padding: clamp(20px, 3vw, 34px); display: grid; gap: 18px; min-width: 0; }
.xc-fs { border: 0; margin: 0; padding: 0; display: grid; gap: 16px; min-width: 0; animation: xcIn .45s var(--ease); }
@keyframes xcIn { from { opacity: 0; transform: translateX(12px); } }
.xc-fs legend { padding: 0; font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1.08; margin-bottom: 4px; outline: none; }
.xc-fs legend .xc-hud { margin-bottom: 8px; }
.xc-help { font-size: .86rem; color: var(--mut); line-height: 1.55; }
.xc-help i { color: var(--teal); }
.xc-opt { font-weight: 500; color: var(--mut); opacity: .85; }
.xc-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.xc-chips.sm .chip { min-height: 32px; font-size: .8rem; padding: 0 12px; }
.xc-chips .chip[disabled] { opacity: .4; pointer-events: none; }
.xc-flags { padding: 14px 16px; border-radius: 18px; border: 1px solid color-mix(in srgb, var(--sos) 25%, transparent); background: color-mix(in srgb, var(--sos) 5%, transparent); display: grid; gap: 10px; }
.xc-flag-h { font-size: .9rem; font-weight: 600; display: flex; gap: 8px; align-items: center; }
.xc-flag-h i { color: var(--sos); }
.xc-flags .chip { font-size: .82rem; min-height: 34px; }
.xc-check { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; font-weight: 550; color: var(--ink) !important; cursor: pointer; margin-top: 4px; }
.xc-check input { width: 18px; height: 18px; accent-color: var(--teal); margin-top: 1px; flex: none; }
.xc-check.consent { padding: 12px 14px; border-radius: 14px; background: var(--teal-soft); }
.xc-err { font-size: .88rem; font-weight: 600; color: var(--bad); padding: 10px 14px; border-radius: 12px; background: color-mix(in srgb, var(--bad) 8%, transparent); }
.xc-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; border-top: 1px solid var(--line); }
.xc-count { font-size: .8rem; color: var(--mut); letter-spacing: .1em; }

/* severity */
.xc-sev { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 22px; align-items: center; padding: 18px; border-radius: 22px; border: 1px solid var(--line); background: color-mix(in srgb, var(--card) 70%, transparent); transition: border-color .3s, background .3s; }
.xc-sev.hot { border-color: color-mix(in srgb, var(--sos) 50%, transparent); background: color-mix(in srgb, var(--sos) 7%, var(--card)); }
.xc-face svg { width: 120px; height: 120px; display: block; }
.xc-f-glow { fill: color-mix(in srgb, var(--fc) 14%, transparent); transition: fill .3s; }
.xc-f-ring { fill: none; stroke: var(--fc); stroke-width: 3; transition: stroke .3s; }
.xc-f-eye { fill: var(--ink); }
.xc-f-brow { stroke: var(--ink); stroke-width: 2.6; stroke-linecap: round; fill: none; }
.xc-f-mouth { fill: none; stroke: var(--ink); stroke-width: 3.4; stroke-linecap: round; transition: d .3s var(--ease); }
.xc-sev-l { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 14px; font-weight: 650; font-size: .92rem; }
.xc-sev-l output { font-family: var(--mono); color: var(--mut); font-weight: 600; }
.xc-sev-l output b { font-size: 1.4rem; color: var(--ink); }
.xc-sev-in input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 34px; background: transparent; margin: 8px 0 0; cursor: pointer; }
.xc-sev-in input[type="range"]::-webkit-slider-runnable-track { height: 10px; border-radius: 10px; background: linear-gradient(90deg, #0f8079, #d9a12b 50%, #e0702e 75%, #d33a3a); }
.xc-sev-in input[type="range"]::-moz-range-track { height: 10px; border-radius: 10px; background: linear-gradient(90deg, #0f8079, #d9a12b 50%, #e0702e 75%, #d33a3a); }
.xc-sev-in input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 30px; height: 30px; margin-top: -10px; border-radius: 50%; background: var(--card); border: 3px solid var(--ink); box-shadow: 0 6px 16px -6px rgba(0, 0, 0, .5); }
.xc-sev-in input[type="range"]::-moz-range-thumb { width: 24px; height: 24px; border-radius: 50%; background: var(--card); border: 3px solid var(--ink); }
.xc-sev-in input[type="range"]:focus-visible { outline: 2px solid var(--brass); outline-offset: 4px; border-radius: 8px; }
.xc-ticks { display: flex; justify-content: space-between; padding: 0 9px; font-family: var(--mono); font-size: .7rem; color: var(--mut); margin-bottom: 8px; }

/* vitals */
.xc-vitals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.input-pre.suf { flex-direction: row; }
.input-pre.suf > span { border-right: 0; border-left: 1px solid var(--line); padding: 0 14px; }
.xc-bp { display: flex; align-items: center; gap: 6px; border: 1px solid var(--line2); border-radius: 14px; background: var(--field); padding: 0 10px 0 4px; min-height: 50px; }
.xc-bp:focus-within { border-color: var(--teal); box-shadow: 0 0 0 4px var(--teal-soft); }
.xc-bp input, .xc-bp select { border: 0 !important; box-shadow: none !important; min-height: 46px !important; padding: 8px !important; background: transparent !important; min-width: 0; }
.xc-bp input { width: 100%; font-family: var(--mono); }
.xc-bp select { width: auto; font-size: .82rem !important; color: var(--mut); }
.xc-bp span, .xc-bp em { color: var(--mut); font-style: normal; font-size: .8rem; font-family: var(--mono); flex: none; }

/* red-flag state */
.xc-sos { margin-top: 18px; padding: clamp(22px, 3vw, 34px); border-radius: var(--r-xl); color: #fff; display: grid; gap: 20px;
  background: radial-gradient(120% 140% at 100% 0%, rgba(255, 255, 255, .14), transparent 50%), linear-gradient(140deg, #c62f35, #8e1625); box-shadow: 0 30px 60px -30px #a51f2c; animation: xcIn .4s var(--ease); }
.xc-sos .xc-hud { color: #ffd0d0; }
.xc-sos-top { display: flex; gap: 18px; align-items: flex-start; }
.xc-sos-ico { width: 60px; height: 60px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: 1.6rem; background: rgba(255, 255, 255, .16); animation: xcBeat 1.3s ease-in-out infinite; }
@keyframes xcBeat { 50% { transform: scale(1.12); } }
.xc-sos h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-top: 6px; }
.xc-sos p { line-height: 1.6; margin-top: 8px; color: #ffe9e9; }
.xc-sos-act { display: flex; flex-wrap: wrap; gap: 10px; }
.xc-sos .btn.sos:not(.ghost) { --b-bg: #fff; --b-ink: #b0222d; }
.xc-sos .xc-sos-ghost { --b-ink: #fff !important; --b-line: rgba(255, 255, 255, .6) !important; }
.xc-sos-note { font-size: .88rem; }
.xc-sos .linkish { color: #fff; }

/* Health Pass */
.xc-pass-wrap { margin-top: 18px; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(20px, 3vw, 40px); align-items: start; }
.xc-pass-stage { perspective: 1200px; }
.xc-pass { --mx: 30%; position: relative; border-radius: 28px; padding: 22px; color: #eef2f8; overflow: hidden; transform-style: preserve-3d; transition: transform .25s ease-out;
  background: radial-gradient(90% 120% at 100% 0%, color-mix(in srgb, var(--dh) 40%, transparent), transparent 55%), radial-gradient(80% 100% at 0% 100%, rgba(79, 209, 197, .22), transparent 60%), linear-gradient(160deg, #0b1830, #12284a);
  box-shadow: 0 40px 80px -40px rgba(5, 12, 25, .75), inset 0 0 0 1px rgba(255, 255, 255, .06); animation: xcPop .6s var(--spring); }
@keyframes xcPop { from { opacity: 0; transform: translateY(16px) scale(.97); } }
.xc-pass-sheen { position: absolute; inset: 0; pointer-events: none; mix-blend-mode: screen; opacity: .55;
  background: linear-gradient(115deg, transparent calc(var(--mx) - 22%), rgba(255, 255, 255, .16) var(--mx), rgba(185, 138, 47, .14) calc(var(--mx) + 8%), transparent calc(var(--mx) + 26%)); transition: background .2s; }
.xc-pass::after { content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .35; background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px); background-size: 22px 22px; -webkit-mask-image: linear-gradient(180deg, #000, transparent 60%); mask-image: linear-gradient(180deg, #000, transparent 60%); }
.xc-pass > * { position: relative; z-index: 1; }
.xc-pass .xc-hud { color: #9fd9d2; }
.xc-pass-h { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.xc-pass-h h3 { font-family: var(--serif); font-weight: 400; font-size: 2.3rem; margin-top: 4px; color: #fff; }
.xc-pass-ok { display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px; border-radius: 99px; font-size: .74rem; font-weight: 700; background: rgba(79, 209, 197, .16); color: #7fe6da; white-space: nowrap; }
.xc-pass-body { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px; margin-top: 16px; align-items: center; }
.xc-qr { display: grid; justify-items: center; gap: 6px; padding: 12px; border-radius: 18px; background: #fff; color: #0b1830; box-shadow: 0 0 0 1px rgba(255, 255, 255, .3), 0 0 30px -6px rgba(79, 209, 197, .55); }
.xc-qr svg { width: 132px; height: 132px; display: block; }
.xc-qr small { font-size: .76rem; font-weight: 600; letter-spacing: .08em; }
.xc-qr .qr-fallback { width: 132px; height: 132px; display: grid; place-items: center; text-align: center; font-size: .78rem; }
.xc-pass-dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.xc-pass-dl dt, .xc-pass-row small { font-family: var(--mono); font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; color: #93a2ba; }
.xc-pass-dl dd { margin: 2px 0 0; font-weight: 650; font-size: .94rem; }
.xc-pass-dl dd i { color: var(--dh); filter: brightness(1.4); }
.xc-pass-in { margin-top: 18px; padding-top: 16px; border-top: 1px dashed rgba(255, 255, 255, .18); display: grid; gap: 12px; }
.xc-pass-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.xc-pass-row b { display: block; font-weight: 600; font-size: .9rem; margin-top: 2px; }
.xc-pchips, .xc-pvs { margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.xc-pchips span { font-size: .78rem; padding: 4px 10px; border-radius: 99px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); }
.xc-pv { font-family: var(--mono); font-size: .82rem; padding: 5px 10px; border-radius: 10px; background: rgba(255, 255, 255, .06); display: inline-grid; }
.xc-pv small { font-size: .56rem; }
.xc-sevbar { display: block; height: 5px; margin-top: 6px; border-radius: 4px; background: rgba(255, 255, 255, .12); overflow: hidden; }
.xc-sevbar i { display: block; height: 100%; width: var(--sv); background: var(--sc); border-radius: 4px; box-shadow: 0 0 10px var(--sc); }
.xc-pass-f { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 14px; margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .78rem; color: #c2cad8; }
.xc-pass-f i { color: #f3e3bd; }
.xc-pass-side { display: grid; gap: 14px; align-content: start; }
.xc-pass-next { font-family: var(--serif); font-weight: 400; font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.xc-pass-act { display: flex; flex-wrap: wrap; gap: 10px; }

/* why */
.xc-why-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.xc-why-grid > div { padding: 20px; border-radius: var(--r); border: 1px solid var(--line); background: color-mix(in srgb, var(--card) 70%, transparent); }
.xc-why-grid i { font-size: 1.4rem; color: var(--teal); }
.xc-why-grid b { display: block; margin-top: 10px; }
.xc-why-grid p { font-size: .88rem; color: var(--mut); margin-top: 6px; line-height: 1.55; }
.xc-why-grid a { color: var(--sos); font-weight: 700; }
.xc-disclaim { margin-top: 18px; }

html[data-part="night"] .xc-pass { box-shadow: 0 40px 80px -40px #000, 0 0 0 1px rgba(243, 227, 189, .14), 0 0 60px -30px var(--dh); }
html[data-part="night"] .xc-steps { background: rgba(5, 12, 25, .45); }

@media (max-width: 1000px) {
  .xc-hero-in, .xc-pass-wrap { grid-template-columns: 1fr; }
  .xc-form-wrap { grid-template-columns: 1fr; }
  .xc-steps { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 10px; gap: 4px; }
  .xc-steps li { flex: none; }
  .xc-steps button { padding: 8px 10px; white-space: nowrap; font-size: .82rem; }
  .xc-why-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .xc-ticket { grid-template-columns: auto minmax(0, 1fr); padding: 14px 16px; }
  .xc-t-when { grid-column: 1 / -1; text-align: left; display: flex; gap: 10px; align-items: baseline; padding-top: 8px; border-top: 1px dashed var(--line2); }
  .xc-change { grid-column: 1 / -1; justify-self: start; padding-left: 0; }
  .xc-t-main h3 { font-size: 1.35rem; }
  .xc-steps li:not(.on) span:not(.xc-sn) { display: none; }
  .xc-sev { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 8px; }
  .xc-sev-in { width: 100%; }
  .xc-face svg { width: 96px; height: 96px; }
  .xc-vitals { grid-template-columns: 1fr; }
  .xc-pass { padding: 18px; }
  .xc-pass-body { grid-template-columns: 1fr; justify-items: center; }
  .xc-pass-dl { width: 100%; }
  .xc-pass-row.two { grid-template-columns: 1fr; }
  .xc-pass-h h3 { font-size: 1.9rem; }
  .xc-why-grid { grid-template-columns: 1fr; }
  .xc-idle { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .xc-idle-art { width: 90px; }
  .xc-nav .btn { padding: 0 16px; }
  .xc-count { display: none; }
  .xc-sos-top { flex-direction: column; }
  .xc-find-row .btn { padding: 0 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .xc-draw { animation: none; stroke-dashoffset: 0; }
  .xc-scan, .xc-sos-ico { animation: none !important; }
  .xc-pass { transition: none; }
}
@media print {
  body * { visibility: hidden !important; }
  .xc-pass, .xc-pass * { visibility: visible !important; }
  .xc-pass { position: absolute; left: 0; top: 0; width: 100%; transform: none !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}