/* Redaction review UI — Swiss-functional: paper chrome, ink text, hairline
 * dividers, sharp corners, dark gallery stage for the drawing itself.
 * Color is strictly functional: red appears ONLY on redaction geometry;
 * blue = machine proposal / interactive; amber = needs human; green = verified.
 * No webfonts (offline-only box): system stack. */

:root {
  --paper: #fafaf8;
  --paper-raised: #ffffff;
  --paper-dim: #f1f0ec;
  --ink: #141413;
  --muted: #6f6e69;
  --hairline: #e4e2dd;
  --hairline-strong: #c9c7c0;
  --stage: #121214;            /* canvas surround — gallery darkroom, not UI chrome */

  --proposal-blue: #1a47d6;    /* machine proposal, selection, links */
  --redact-red: #d92d20;       /* redaction geometry + errors only */
  --attn-amber: #b45309;       /* needs-human text */
  --banner-yellow: #ffd84d;    /* mode banner */
  --ok-green: #15803d;         /* verified / confirmed */
  --rejected-plum: #6d3fc4;    /* operator overrode the proposal */
  --working-orange: #f59e0b;   /* the rect being edited */
}

* { box-sizing: border-box; }

/* The hidden attribute must always win, even over display rules below. */
[hidden] { display: none !important; }

html, body {
  margin: 0; height: 100%;
  background: var(--paper); color: var(--ink);
  font: 13.5px/1.45 -apple-system, "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
}

body { display: flex; flex-direction: column; overflow: hidden; }

kbd {
  display: inline-block; min-width: 16px; text-align: center;
  border: 1px solid var(--hairline-strong); background: var(--paper);
  padding: 0 4px; font-size: 10px; font-family: inherit;
  text-transform: uppercase; color: var(--muted);
}

code {
  background: var(--paper-dim); border: 1px solid var(--hairline);
  padding: 1px 5px; font-size: 12px;
}

.muted { color: var(--muted); }

.microcaps {
  font-size: 10.5px; font-weight: 600; letter-spacing: 1.2px;
  text-transform: uppercase;
}

:focus-visible { outline: 2px solid var(--proposal-blue); outline-offset: 1px; }

/* ---- Top bar ---- */
#topbar {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 10px 16px; background: var(--paper);
  border-bottom: 1px solid var(--ink); flex: 0 0 auto;
}
.brand { font-weight: 800; letter-spacing: 3px; font-size: 15px; }
.brand-sub {
  margin-left: 12px; font-weight: 500; letter-spacing: 1.4px;
  text-transform: uppercase; font-size: 10px; color: var(--muted);
}
.topbar-right { display: flex; align-items: center; gap: 10px; }
#model-version {
  font-size: 10.5px; letter-spacing: 0.8px; text-transform: uppercase;
}

/* ---- Buttons ---- */
.btn {
  background: var(--paper-raised); color: var(--ink);
  border: 1px solid var(--hairline-strong); border-radius: 0;
  padding: 6px 13px; cursor: pointer; font: inherit; font-size: 13px;
}
.btn:hover:not(:disabled) { border-color: var(--ink); }
.btn:active:not(:disabled) { background: var(--paper-dim); }
.btn:disabled { opacity: 0.35; cursor: default; }
.btn.primary {
  background: var(--ink); border-color: var(--ink); color: var(--paper-raised);
}
.btn.primary kbd { background: transparent; color: inherit; border-color: rgba(255,255,255,0.4); }
.btn.primary:hover:not(:disabled) { background: #2c2c2a; }
.btn.chip { font-weight: 600; }
.btn.tiny { padding: 3px 10px; font-size: 11px; }
.btn.tiny.on { background: var(--ink); border-color: var(--ink); color: var(--paper-raised); }
.btn.scanning { color: var(--muted); pointer-events: none; }
.btn.danger { color: var(--redact-red); border-color: var(--redact-red); }
.btn.danger:hover:not(:disabled) { background: var(--redact-red); color: #fff; }

/* ---- Layout ---- */
#layout { display: grid; grid-template-columns: 312px 1fr; flex: 1 1 auto; min-height: 0; }

/* ---- Queue panel ---- */
#queue-panel {
  background: var(--paper); border-right: 1px solid var(--ink);
  display: flex; flex-direction: column; overflow-y: auto; min-height: 0;
}
.queue-head {
  padding: 12px 14px 6px; position: sticky; top: 0;
  background: var(--paper); z-index: 2;
  border-bottom: 1px solid var(--hairline);
}
.queue-head h2 {
  margin: 0; font-size: 10.5px; text-transform: uppercase;
  letter-spacing: 1.4px; color: var(--ink); font-weight: 700;
}
.count { color: var(--muted); font-weight: 500; }
.queue-list { padding: 0; }
.queue-empty {
  padding: 26px 16px; color: var(--muted); font-size: 12.5px; line-height: 1.7;
  text-wrap: pretty;
}
.archived-note {
  padding: 10px 14px; margin-top: auto; color: var(--muted); font-size: 11px;
  border-top: 1px solid var(--hairline); line-height: 1.5;
}

.qitem {
  padding: 9px 14px 8px; cursor: pointer;
  border-bottom: 1px solid var(--hairline);
  border-left: 3px solid transparent;
}
.qitem:hover { background: var(--paper-dim); }
.qitem.selected {
  background: var(--paper-raised);
  border-left-color: var(--ink);
  box-shadow: inset 0 -1px 0 var(--ink), inset 0 1px 0 var(--ink);
}
.qrow { display: flex; align-items: center; gap: 6px; }
.qitem .qname {
  flex: 1 1 auto; font-weight: 600; font-size: 13px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}
.qdel {
  flex: 0 0 auto; width: 20px; height: 20px; line-height: 1;
  background: none; border: 1px solid transparent; border-radius: 0;
  color: var(--muted); font-size: 14px; cursor: pointer; padding: 0;
}
.qdel:hover:not(:disabled) {
  color: var(--ink); border-color: var(--hairline-strong);
  background: var(--paper-dim);
}
.qdel:disabled { opacity: 0.3; cursor: default; }
.qitem .qsub {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--muted); margin-top: 4px;
}

/* ---- Status marks: small functional square + uppercase label ---- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; white-space: nowrap; color: var(--muted);
}
.badge::before {
  content: ""; width: 8px; height: 8px; flex: 0 0 auto;
  background: var(--muted);
}
.badge.proposed    { color: var(--proposal-blue); }
.badge.proposed::before    { background: var(--proposal-blue); }
.badge.needs_human { color: var(--attn-amber); }
.badge.needs_human::before { background: var(--attn-amber); }
.badge.processing  { color: var(--muted); animation: pulse 1.2s infinite; }
.badge.confirmed   { color: var(--ok-green); }
.badge.confirmed::before   { background: var(--ok-green); }
.badge.rejected    { color: var(--rejected-plum); }
.badge.rejected::before    { background: var(--rejected-plum); }
.badge.error       { color: var(--redact-red); }
.badge.error::before       { background: var(--redact-red); }
@keyframes pulse { 50% { opacity: 0.4; } }

/* ---- Viewer ---- */
#viewer-panel { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
#canvas-wrap { position: relative; flex: 1 1 auto; min-height: 0; background: var(--stage); }
#viewer { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* Mode banner — unmissable instruction strip while nudging/drawing */
#mode-banner {
  position: absolute; top: 0; left: 0; right: 0; z-index: 5;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  background: var(--banner-yellow); color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 7px 14px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
}
#mode-banner .keys { font-weight: 500; letter-spacing: 0.5px; text-transform: none; }
#mode-banner kbd { background: rgba(255,255,255,0.55); border-color: var(--ink); color: var(--ink); }

#viewer-hud {
  position: absolute; left: 12px; bottom: 10px; z-index: 4;
  display: flex; align-items: baseline; gap: 14px;
  font-size: 11px; color: #9b9a94;
  background: rgba(18, 18, 20, 0.82); padding: 5px 10px;
  pointer-events: none;
}
#hud-name { color: #f0efe9; font-weight: 600; }
#hud-zoom { font-variant-numeric: tabular-nums; }
#hud-hint { color: #757471; }

#viewer-flags { position: absolute; top: 10px; right: 12px; z-index: 4; display: flex; gap: 8px; align-items: center; }
#output-chip {
  font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: #d7f5e2; background: var(--ok-green); padding: 4px 9px;
}
#img-toggle { display: flex; }
#img-toggle .btn + .btn { border-left: none; }

#viewer-placeholder {
  position: absolute; inset: 0; display: flex;
  align-items: center; justify-content: center; text-align: center;
  color: #757471; pointer-events: none; font-size: 13px; line-height: 1.8;
}

/* ---- Action bar ---- */
#action-bar {
  flex: 0 0 auto; background: var(--paper);
  border-top: 1px solid var(--ink); padding: 9px 16px 11px;
}
#status-line {
  margin-bottom: 9px; min-height: 18px;
  display: flex; gap: 12px; align-items: baseline;
}
#status-reason { font-size: 12.5px; text-wrap: pretty; }
#action-buttons { display: flex; gap: 8px; align-items: center; }
.action-sep { width: 1px; height: 24px; background: var(--hairline-strong); margin: 0 5px; }
.action-spacer { flex: 1; }

/* ---- Meta drawer ---- */
#meta-drawer {
  flex: 0 0 auto; max-height: 300px; overflow-y: auto;
  background: var(--paper-raised); border-top: 1px solid var(--hairline-strong);
  padding: 12px 16px; font-size: 12px;
}
#meta-drawer h3 {
  margin: 14px 0 6px; font-size: 10px; text-transform: uppercase;
  letter-spacing: 1.4px; color: var(--muted); font-weight: 700;
}
#meta-drawer h3:first-child { margin-top: 0; }
#meta-drawer table { border-collapse: collapse; width: 100%; }
#meta-drawer th, #meta-drawer td {
  text-align: left; padding: 4px 12px 4px 0;
  border-bottom: 1px solid var(--hairline); font-weight: 400;
}
#meta-drawer th {
  color: var(--muted); font-size: 10px; text-transform: uppercase;
  letter-spacing: 1px;
}
#meta-drawer td.num { font-variant-numeric: tabular-nums; }
.meta-pill {
  display: inline-block; border: 1px solid var(--hairline); background: var(--paper);
  padding: 1px 7px; margin: 1px 5px 1px 0; color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.legend-swatch {
  display: inline-block; width: 9px; height: 9px;
  margin-right: 5px; vertical-align: -1px;
}
/* Fixed legend colors as classes — keeps the CSP free of inline styles. */
.sw-fill   { background: #d92d20; }
.sw-det    { background: rgba(255, 210, 60, 0.9); }
.sw-blob   { background: rgba(60, 210, 130, 0.9); }
.sw-search { background: rgba(80, 140, 255, 0.8); }

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(20, 20, 19, 0.45);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal {
  background: var(--paper-raised); border: 1px solid var(--ink);
  padding: 26px; width: 360px;
  display: flex; flex-direction: column; gap: 13px;
}
.modal h2 { margin: 0; font-size: 16px; font-weight: 700; letter-spacing: 0.3px; }
.modal p { margin: 0; font-size: 12px; line-height: 1.6; text-wrap: pretty; }
.modal input {
  background: var(--paper); border: 1px solid var(--hairline-strong);
  border-radius: 0; color: var(--ink); padding: 9px 11px; font: inherit;
}
.modal input:focus { outline: none; border-color: var(--ink); }
.login-error {
  color: var(--red); font-size: 12.5px; font-weight: 600;
  border-left: 3px solid var(--red); padding-left: 10px;
}

/* ---- Drop zone ---- */
#dropzone {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(250, 250, 248, 0.92);
  display: flex; align-items: center; justify-content: center;
}
.dropzone-inner {
  border: 2px dashed var(--ink); padding: 48px 64px;
  font-size: 16px; font-weight: 600; text-align: center; line-height: 2;
  background: var(--paper-raised);
}

/* ---- Toast ---- */
#toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--paper-raised); border: 1px solid var(--ink);
  border-top-width: 3px;
  padding: 10px 18px; font-size: 13px; z-index: 60;
  max-width: 70vw;
}
#toast.ok { border-top-color: var(--ok-green); }
#toast.err { border-top-color: var(--redact-red); }