/* OMNIA interface. Concept: a radiologist's lightbox. A cool luminous panel, images shown as dark
   film sheets, and the three orthogonal-plane colours of imaging viewers (axial red, sagittal yellow,
   coronal green) reserved for the reticle and the image previews. */

@font-face { font-family: 'Unbounded'; font-weight: 500; font-display: swap; src: url('fonts/unbounded-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Unbounded'; font-weight: 700; font-display: swap; src: url('fonts/unbounded-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Atkinson Hyperlegible'; font-weight: 400; font-display: swap; src: url('fonts/atkinson-hyperlegible-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Atkinson Hyperlegible'; font-weight: 700; font-display: swap; src: url('fonts/atkinson-hyperlegible-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: italic; font-weight: 400; font-display: swap; src: url('fonts/atkinson-hyperlegible-latin-400-italic.woff2') format('woff2'); }
@font-face { font-family: 'Atkinson Hyperlegible Mono'; font-weight: 400; font-display: swap; src: url('fonts/atkinson-hyperlegible-mono-latin-400-normal.woff2') format('woff2'); }

:root {
  --lightbox: #EAF0F6;
  --sheet: #FAFCFE;
  --film: #0E1620;
  --film-2: #1B2633;
  --ink: #15202B;
  --muted: #546273;
  --line: #C7D2DD;
  --line-soft: #DCE4EC;
  --axial: #E0453A;
  --sagittal: #D7AE22;
  --coronal: #3F9A5B;
  --ok: #1D7A57;
  --warn: #9A5B00;
  --err: #B2322F;
  --focus: #1F5FD6;
  --on-film: #E9EEF4;
  --solid: #0E1620;
  --on-solid: #E9EEF4;
  --radius-s: 4px;
  --radius-m: 10px;
  --display: 'Unbounded', 'Arial Black', sans-serif;
  --text: 'Atkinson Hyperlegible', system-ui, sans-serif;
  --mono: 'Atkinson Hyperlegible Mono', ui-monospace, monospace;
  --step--1: 0.875rem; --step-0: 1rem; --step-1: 1.25rem; --step-2: 1.5625rem; --step-3: 1.953rem; --step-4: 2.441rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --lightbox: #121A23; --sheet: #18222D; --film: #05090D; --film-2: #0E151D; --ink: #E3E9F0; --muted: #9AA8B8;
    --line: #2C3A49; --line-soft: #223040; --ok: #4CC08F; --warn: #E0A33A; --err: #F07470; --focus: #7AA7FF; --solid: #DCE4EC; --on-solid: #0E1620; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --lightbox: #121A23; --sheet: #18222D; --film: #05090D; --film-2: #0E151D; --ink: #E3E9F0; --muted: #9AA8B8;
  --line: #2C3A49; --line-soft: #223040; --ok: #4CC08F; --warn: #E0A33A; --err: #F07470; --focus: #7AA7FF; --solid: #DCE4EC; --on-solid: #0E1620; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--lightbox); color: var(--ink); font: 400 var(--step-0)/1.5 var(--text); }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
a { color: var(--focus); }

/* ---------- bar */
.bar { display: flex; align-items: center; gap: 1.5rem; padding: 1rem clamp(1rem, 4vw, 3rem); border-bottom: 1px solid var(--line); background: var(--sheet); }
.brand { display: flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; }
.reticle { width: 34px; height: 34px; color: var(--ink); }
.reticle.big { width: 56px; height: 56px; }
.reticle line { stroke-width: 3; stroke-linecap: round; }
.r-ax { stroke: var(--axial); }
.r-cor { stroke: var(--coronal); }
.r-sag { fill: var(--sagittal); }
.wordmark { font: 700 1.45rem/1 var(--display); letter-spacing: .14em; }
.local { margin: 0 auto 0 0; display: flex; align-items: center; gap: .5rem; color: var(--muted); font-size: var(--step--1); }
.led { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 22%, transparent); }
.bar-actions { display: flex; gap: .5rem; }

/* ---------- buttons */
button { cursor: pointer; border: 1px solid var(--line); background: var(--sheet); border-radius: var(--radius-s); padding: .55rem 1rem; }
button:hover { border-color: var(--muted); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--solid); color: var(--on-solid); border-color: var(--solid); font-weight: 700; }
button.primary:hover:not(:disabled) { background: color-mix(in srgb, var(--solid) 85%, var(--sheet)); }
button.ghost { background: transparent; }
button.icon { padding: .45rem; line-height: 0; }
button.icon svg { width: 18px; height: 18px; }

/* ---------- hero: the direction switch is the one bold element */
.hero { padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 3rem) 1.5rem; max-width: 1240px; margin: 0 auto; }
.tagline { font: 500 var(--step-3)/1.18 var(--display); max-width: 24ch; margin: 0 0 2rem; letter-spacing: -.01em; }
.switch { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: clamp(.75rem, 3vw, 2rem); background: var(--film); border-radius: var(--radius-m); padding: clamp(1rem, 3vw, 1.75rem); color: var(--on-film); }
.dir { background: transparent; border: 1px solid #36475a; color: #8E9DAE; padding: 1rem 1.25rem; border-radius: var(--radius-m); font: 500 var(--step-1)/1.2 var(--display); display: flex; align-items: center; justify-content: center; gap: .65rem; min-height: 4.5rem; transition: color .2s, border-color .2s, background .2s; }
.dir:hover { color: var(--on-film); border-color: #5b6f85; }
.dir[aria-checked="true"] { color: var(--film); background: var(--on-film); border-color: var(--on-film); }
.dir-arrow { width: 1.6em; height: 2px; background: currentColor; position: relative; }
.dir-arrow::after { content: ''; position: absolute; right: -1px; top: -4px; border: 5px solid transparent; border-left: 7px solid currentColor; border-right: 0; }
.slab { width: clamp(180px, 26vw, 300px); height: auto; overflow: visible; }
.slab .slice { fill: #2a3a4c; stroke: #8EA2B8; stroke-width: 1; transition: transform .9s cubic-bezier(.65, 0, .35, 1); }
.slab .slice.edge-ax { stroke: var(--axial); }
.slab .slice.edge-sag { stroke: var(--sagittal); }
.slab .slice.edge-cor { stroke: var(--coronal); }
.dir-help { color: var(--muted); max-width: 70ch; margin: 1rem 0 0; }

/* ---------- workspace */
.work { display: grid; grid-template-columns: minmax(300px, 400px) 1fr; gap: 1.5rem; max-width: 1240px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 3rem) 3rem; align-items: start; }
.panel { background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius-m); padding: clamp(1rem, 2.5vw, 1.75rem); }
.settings { position: sticky; top: 1rem; max-height: calc(100vh - 2rem); overflow: auto; }
.panel h2, .results h2 { display: flex; align-items: baseline; gap: .75rem; font: 500 var(--step-2)/1.2 var(--display); margin: 0 0 .25rem; }
.num { font: 700 var(--step--1)/1 var(--display); width: 1.9rem; height: 1.9rem; display: inline-grid; place-items: center; border-radius: 50%; background: var(--solid); color: var(--on-solid); transform: translateY(-.2rem); flex: none; }
.help { color: var(--muted); margin: .25rem 0 1.25rem; font-size: var(--step--1); max-width: 62ch; }

/* settings form */
fieldset { border: 0; border-top: 1px solid var(--line-soft); margin: 0; padding: 1rem 0 .5rem; }
legend { font-weight: 700; padding: 0; margin-bottom: .5rem; float: left; width: 100%; }
legend + * { clear: both; }
.row { margin: .75rem 0; }
.row > .lab { display: block; font-size: var(--step--1); color: var(--muted); margin-bottom: .35rem; }
.seg { display: flex; flex-wrap: wrap; border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; }
.seg label { flex: 1 1 auto; position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; }
.seg span { display: block; text-align: center; padding: .45rem .6rem; font-size: var(--step--1); border-right: 1px solid var(--line); cursor: pointer; }
.seg label:last-child span { border-right: 0; }
.seg input:checked + span { background: var(--solid); color: var(--on-solid); }
.seg input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: -3px; }
.toggle { display: grid; grid-template-columns: auto 1fr; gap: .75rem; align-items: start; cursor: pointer; }
.toggle input { appearance: none; width: 2.4rem; height: 1.35rem; border-radius: 1rem; background: var(--line); position: relative; margin: .1rem 0 0; cursor: pointer; transition: background .15s; }
.toggle input::after { content: ''; position: absolute; width: 1.05rem; height: 1.05rem; top: .15rem; left: .15rem; border-radius: 50%; background: var(--sheet); transition: transform .15s; }
.toggle input:checked { background: var(--ok); }
.toggle input:checked::after { transform: translateX(1.05rem); }
.toggle small { display: block; color: var(--muted); font-size: var(--step--1); }
.field { display: grid; gap: .35rem; font-size: var(--step--1); color: var(--muted); margin: .75rem 0; }
.field input, .field select { color: var(--ink); background: var(--lightbox); border: 1px solid var(--line); border-radius: var(--radius-s); padding: .5rem .6rem; font-size: var(--step-0); }
.csvline { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; font-size: var(--step--1); }
.csvline input[type=file] { display: none; }
.hidden-dir { display: none !important; }

/* drop zone */
.drop { border: 2px dashed var(--line); border-radius: var(--radius-m); padding: 1.5rem; text-align: center; background: var(--lightbox); transition: border-color .15s, background .15s; }
.drop.over { border-color: var(--focus); background: color-mix(in srgb, var(--focus) 8%, var(--lightbox)); }
.drop-glyph { width: 64px; height: 64px; }
.drop-glyph rect { fill: var(--sheet); stroke: var(--muted); stroke-width: 1.5; }
.drop-glyph .g3 { fill: var(--solid); stroke: var(--solid); }
.drop-title { font: 500 var(--step-1)/1.3 var(--display); margin: .5rem 0 .25rem; }
.drop-sub, .drop-limit { margin: .25rem 0; color: var(--muted); font-size: var(--step--1); }
.link { color: var(--focus); text-decoration: underline; cursor: pointer; }
.link input { display: none; }
.dest { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin: 1rem 0; font-size: var(--step--1); color: var(--muted); }
.dest strong { color: var(--ink); font-family: var(--mono); font-weight: 400; }
.controls { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin: 1rem 0; }
.engine { margin: 0 0 0 auto; font-size: var(--step--1); color: var(--muted); }
.summary { font-size: var(--step--1); color: var(--muted); min-height: 1.2em; }
.summary .bar-total { height: 6px; border-radius: 3px; background: var(--line-soft); overflow: hidden; margin: .5rem 0; }
.summary .bar-total > i { display: block; height: 100%; background: var(--solid); width: 0; transition: width .3s; }

/* queue: exams as film strips */
.queue { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: .5rem; }
.exam { border: 1px solid var(--line-soft); border-left: 5px solid var(--line); border-radius: var(--radius-s); padding: .75rem .9rem; background: var(--sheet); }
.exam[data-status="running"] { border-left-color: var(--focus); }
.exam[data-status="ok"] { border-left-color: var(--ok); }
.exam[data-status="warning"] { border-left-color: var(--warn); }
.exam[data-status="error"], .exam[data-status="skipped"] { border-left-color: var(--err); }
.exam-head { display: grid; grid-template-columns: 2.2rem 1fr auto; gap: .75rem; align-items: center; }
.exam-idx { font: 500 var(--step--1)/1 var(--display); color: var(--muted); }
.exam-name { font-family: var(--mono); font-size: var(--step--1); overflow-wrap: anywhere; }
.exam-meta { color: var(--muted); font-size: var(--step--1); }
.pill { font-size: var(--step--1); font-weight: 700; padding: .15rem .55rem; border-radius: 1rem; white-space: nowrap; border: 1px solid currentColor; }
.pill.ok { color: var(--ok); } .pill.warning { color: var(--warn); } .pill.error, .pill.skipped { color: var(--err); } .pill.running { color: var(--focus); } .pill.queued, .pill.cancelled { color: var(--muted); }
.track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 3px; margin: .6rem 0 .2rem 2.95rem; }
.track > i { height: 5px; background: var(--line-soft); border-radius: 2px; position: relative; overflow: hidden; }
.track > i > b { position: absolute; inset: 0; width: 0; background: var(--solid); transition: width .25s; }
.track-labels { display: grid; grid-template-columns: repeat(5, 1fr); gap: 3px; margin-left: 2.95rem; font-size: .75rem; color: var(--muted); }
.exam-msg { margin: .35rem 0 0 2.95rem; font-size: var(--step--1); color: var(--muted); overflow-wrap: anywhere; }
.exam-actions { margin: .5rem 0 0 2.95rem; display: flex; gap: .5rem; flex-wrap: wrap; }
.exam-actions button { padding: .3rem .7rem; font-size: var(--step--1); }
.detail { margin: .75rem 0 0 2.95rem; font-size: var(--step--1); }
.detail .mono { font-family: var(--mono); overflow-wrap: anywhere; }
.series-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-soft); }
.series { padding: .65rem 0 .7rem; border-bottom: 1px solid var(--line-soft); }
.series-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; align-items: baseline; }
.series-input { font-size: var(--step-0); }
.series-status { font-weight: 700; white-space: nowrap; }
.s-ok { color: var(--ok); } .s-warning { color: var(--warn); } .s-error { color: var(--err); } .s-skipped { color: var(--muted); }
.series-ver { margin: .15rem 0 0; color: var(--ok); }
.series[data-status="error"] .series-ver { color: var(--err); }
.series-notes, .exam-notes { margin: .35rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.series-notes li, .exam-notes li { margin: .1rem 0; }
.series-notes .warn, .exam-notes .warn { color: var(--warn); }
.exam-notes .err { color: var(--err); }
.series-out { margin-top: .35rem; }
.series-out summary { cursor: pointer; color: var(--ink); }
.series-out ul { margin: .25rem 0 0; padding-left: 1.1rem; }
.hashes { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .2rem .75rem; margin: .9rem 0 0; color: var(--muted); }
.hashes dd { margin: 0; color: var(--ink); }
.detail h3 { font-size: var(--step-0); margin: 1.1rem 0 0; }

/* QC films on the lightbox */
.films { display: grid; gap: .9rem; margin-top: .6rem; padding: .9rem; background: var(--lightbox); border-radius: var(--radius-s); }
.films-row { display: grid; grid-template-columns: repeat(3, minmax(0, 170px)); gap: .5rem; align-items: end; }
.film { margin: 0; background: var(--film); padding: .4rem .4rem .3rem; border-radius: 2px; position: relative; }
.film canvas { display: block; image-rendering: auto; width: 100%; height: auto; }
.film figcaption { color: var(--on-film); font-size: .75rem; margin-top: .25rem; display: flex; align-items: center; gap: .35rem; }
.film figcaption::before { content: ''; width: 10px; height: 2px; background: var(--on-film); }
.film.axial figcaption::before { background: var(--axial); }
.film.sagittal figcaption::before { background: var(--sagittal); }
.film.coronal figcaption::before { background: var(--coronal); }
.film-group { display: grid; gap: .3rem; }
.film-group > p { margin: 0; font-size: .75rem; color: var(--muted); font-family: var(--mono); }

.results { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.result-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .75rem; }

/* method */
.method { max-width: 1240px; margin: 0 auto 3rem; padding: 0 clamp(1rem, 4vw, 3rem); }
.method h2 { font: 500 var(--step-2)/1.2 var(--display); margin: 0 0 1rem; }
.method-body { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem 2rem; }
.method-body article h3 { font-size: var(--step-0); margin: 0 0 .35rem; }
.method-body article p { margin: 0; color: var(--muted); font-size: var(--step--1); max-width: 60ch; }
.method-body .numbers { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 2.5rem; padding: 1.25rem 1.5rem; background: var(--film); color: var(--on-film); border-radius: var(--radius-m); }
.method-body .numbers div { display: grid; }
.method-body .numbers b { font: 700 var(--step-3)/1 var(--display); }
.method-body .numbers span { font-size: var(--step--1); color: #A9B6C4; max-width: 22ch; }

.foot { border-top: 1px solid var(--line); background: var(--sheet); padding: 1.25rem clamp(1rem, 4vw, 3rem); color: var(--muted); font-size: var(--step--1); }
.foot p { margin: .25rem 0; max-width: 90ch; }

/* administrator page (contacts) */
.admin { max-width: 1040px; margin: 2rem auto 3rem; padding: 0 clamp(1rem, 4vw, 3rem); }
.admin-form { max-width: 420px; }
.admin-msg { min-height: 1.4em; color: var(--muted); font-size: var(--step--1); }
.admin-table-wrap { overflow-x: auto; margin-top: .5rem; border: 1px solid var(--line-soft); border-radius: var(--radius-s); }
.admin-table { width: 100%; border-collapse: collapse; font-size: var(--step--1); }
.admin-table th, .admin-table td { text-align: left; padding: .5rem .7rem; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
.admin-table th { color: var(--muted); font-weight: 700; background: var(--lightbox); }
.admin-table tbody tr:last-child td { border-bottom: 0; }

/* gate */
dialog { border: 0; border-radius: var(--radius-m); padding: 0; background: var(--sheet); color: var(--ink); max-width: 440px; width: calc(100% - 2rem); }
dialog::backdrop { background: color-mix(in srgb, var(--film) 75%, transparent); }
.gate { padding: 1.75rem; display: grid; gap: .5rem; }
.gate h2 { font: 500 var(--step-2)/1.2 var(--display); margin: .5rem 0 0; }
.gate p { margin: 0; color: var(--muted); font-size: var(--step--1); }
.gate-msg { min-height: 1.3em; }
.gate-actions { display: flex; justify-content: flex-end; }

@media (max-width: 900px) {
  .work { grid-template-columns: 1fr; }
  .settings { position: static; max-height: none; }
  .switch { grid-template-columns: 1fr; }
  .slab { justify-self: center; order: -1; }
}
@media (max-width: 520px) {
  .bar { flex-wrap: wrap; gap: .75rem; }
  .local { order: 3; width: 100%; }
  .track, .track-labels, .exam-msg, .exam-actions, .detail { margin-left: 0; }
  .track-labels { font-size: .65rem; }
  .films-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hashes { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}