/* POSEIDON Labeling — B2 demo SPA
   Self-contained styles. No external fonts, no CDN. Dark theme borrowed loosely
   from the mockup visual vocabulary (frontend-reference/labeling_mockup_v3.html). */

:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1f2630;
  --line: #2a313c;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --accent-2: #1f6feb;
  --ok: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
  --demo: #f7b500;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--accent); }

/* ── ENTORN DEMO banner — always visible, unmistakable ───────────────────── */
.demo-banner {
  position: sticky;
  top: 0;
  z-index: 100;
  background: repeating-linear-gradient(
    45deg, #f7b500, #f7b500 14px, #111 14px, #111 28px);
  color: #111;
  text-align: center;
  font-weight: 900;
  letter-spacing: 1px;
  font-size: 13px;
  padding: 6px 12px;
  text-transform: uppercase;
}
.demo-banner span {
  background: var(--demo);
  padding: 2px 10px;
  border-radius: 6px;
  box-shadow: 0 0 0 3px #111;
}

/* ── Topbar ──────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.topbar .brand { display: flex; align-items: baseline; gap: 9px; }
.topbar .brand b { font-weight: 800; font-size: 18px; color: var(--accent); letter-spacing: -.2px; }
.topbar .brand span { font-size: 13px; color: var(--muted); }
.topbar .right { display: flex; align-items: center; gap: 10px; }
.userchip {
  font-size: 12px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
}
.userchip b { color: var(--text); }
.role-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .5px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 8px;
  margin-left: 6px;
}
.role-tag.supervisor { background: rgba(47,129,247,.18); color: var(--accent); }
.role-tag.labeler { background: rgba(63,185,80,.18); color: var(--ok); }
.role-tag.admin { background: rgba(210,153,34,.20); color: #d29922; }
.role-tag.mask_annotator { background: rgba(163,113,247,.20); color: #a371f7; }

/* ── Selector — capability-derived workspace picker (P2-D) ───────────────────── */
.selector-wrap { max-width: 760px; margin: 48px auto 0; text-align: center; }
.selector-sub { color: var(--muted); margin: 6px 0 24px; }
.selector-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.selector-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px; text-align: left;
  padding: 20px; border-radius: 14px; cursor: pointer;
  background: var(--panel-2, #161b22); border: 1px solid var(--border, #30363d); color: var(--text);
  transition: border-color .12s, transform .12s;
}
.selector-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.selector-card .sc-icon { font-size: 26px; }
.selector-card .sc-label { font-weight: 800; font-size: 15px; }
.selector-card .sc-desc { font-size: 12px; color: var(--muted); }
/* Placeholder sections on the admin / annotator landings (P2-E): visible but not yet actionable. */
.selector-card.is-soon { cursor: default; opacity: .72; }
.selector-card.is-soon:hover { border-color: var(--border, #30363d); transform: none; }
.sc-soon {
  margin-top: 4px; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .5px;
  color: var(--muted); border: 1px solid var(--border, #30363d); border-radius: 6px; padding: 1px 6px;
}

/* ── Layout ──────────────────────────────────────────────────────────────── */
.view { padding: 20px; max-width: 1280px; margin: 0 auto; }
.view[hidden] { display: none; }
.topbar[hidden] { display: none; }

.grid-2 { display: grid; grid-template-columns: 1fr 380px; gap: 18px; align-items: start; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 12px; font-size: 14px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.card h3 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 16px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover:not(:disabled) { background: #252c37; }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.primary { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--accent); }
.btn.ghost { background: transparent; }
.btn.small { height: 32px; padding: 0 11px; font-size: 12px; }
.btn.danger { border-color: rgba(248,81,73,.5); color: var(--bad); }

/* ── Login ───────────────────────────────────────────────────────────────── */
.login-wrap { max-width: 380px; margin: 8vh auto 0; }
.login-brand { text-align: center; margin-bottom: 20px; }
.login-brand b { display: block; font-size: 40px; font-weight: 800; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; line-height: 1; }
.login-brand span { display: block; margin-top: 4px; font-size: 13px; color: var(--muted); letter-spacing: .2px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 12px; color: var(--muted); font-weight: 600; }
.field input {
  background: #0d1117;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 11px 12px;
  font-size: 14px;
  font-family: inherit;
}
.field input:focus { outline: 0; border-color: var(--accent); }
.form-error {
  color: var(--bad);
  font-size: 13px;
  margin: 4px 0 12px;
  min-height: 18px;
}

/* ── Image canvas + polygon overlay ──────────────────────────────────────── */
.canvas-wrap {
  position: relative;
  background: #000;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}
.canvas-wrap img { display: block; width: 100%; height: auto; }
.canvas-wrap svg.overlay, .canvas-wrap canvas.overlay {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.canvas-wrap svg.overlay { pointer-events: none; }
.canvas-wrap canvas.overlay { cursor: pointer; touch-action: none; }
.overlay polygon { fill: rgba(47,129,247,.20); stroke: var(--accent); stroke-width: 2; vector-effect: non-scaling-stroke; }
.overlay polygon.selected { fill: rgba(251,191,36,.28); stroke: #fbbf24; stroke-width: 3; }
.canvas-empty { color: var(--muted); font-size: 13px; padding: 60px 20px; text-align: center; }

.frame-nav { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; }
.frame-nav .pos { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; font-size: 12px; }
.axis {
  background: #0d1117;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 4px 10px;
  color: var(--muted);
}
.axis b { color: var(--text); }
.routing {
  background: rgba(47,129,247,.12);
  border: 1px solid rgba(47,129,247,.4);
  border-radius: 7px;
  padding: 4px 10px;
  color: var(--text);
}

/* ── Supervisor decision actions ─────────────────────────────────────────── */
.decisions { display: flex; flex-direction: column; gap: 8px; }
.decision-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 9px;
  padding: 12px 13px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.decision-btn small { margin-left: auto; font-size: 10px; color: var(--muted); font-weight: 600; }
.decision-btn:hover:not(:disabled) { border-color: var(--accent); }
.decision-btn:disabled { opacity: .5; cursor: not-allowed; }
.decision-btn .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; background: var(--muted); }
.decision-btn.d-nocatch .dot { background: var(--bad); }
.decision-btn.d-covered .dot { background: var(--ok); }
.decision-btn.d-uncovered .dot { background: var(--accent); }
.decision-btn.d-uncertain .dot { background: var(--warn); }
.decision-btn.d-unusable .dot { background: #8b949e; }
.decision-btn.active { box-shadow: 0 0 0 2px var(--accent) inset; border-color: var(--accent); }

.cohort-row { display: none; flex-wrap: wrap; gap: 6px; padding: 8px; background: #0d1117; border: 1px dashed var(--line); border-radius: 8px; margin-top: 4px; }
.cohort-row.open { display: flex; }
.cohort-row .lbl { flex-basis: 100%; font-size: 11px; color: var(--muted); margin-bottom: 2px; }
.cohort-btn {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 7px;
  padding: 7px 11px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.cohort-btn:hover { border-color: var(--accent); }

/* ── Counters ────────────────────────────────────────────────────────────── */
.progress-bar { height: 8px; background: #0d1117; border: 1px solid var(--line); border-radius: 5px; overflow: hidden; margin-bottom: 12px; }
.progress-bar > div { height: 100%; background: linear-gradient(90deg, var(--accent), #56d364); width: 0; transition: width .3s; }
.counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; }
.counter {
  background: #0d1117;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.counter .n { font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; }
.counter .l { font-size: 10px; text-transform: uppercase; letter-spacing: .3px; color: var(--muted); font-weight: 700; }
.counter.c-nocatch .n { color: var(--bad); }
.counter.c-covered .n { color: var(--ok); }
.counter.c-uncovered .n { color: var(--accent); }
.counter.c-uncertain .n { color: var(--warn); }
.counter.c-unusable .n { color: #8b949e; }

/* ── Backlog ─────────────────────────────────────────────────────────────── */
.backlog-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #0d1117;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  margin-bottom: 7px;
  font-size: 12px;
}
.backlog-item .cohort { font-weight: 700; }
.backlog-item .status {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .3px;
  color: var(--warn);
  border: 1px solid rgba(210,153,34,.4);
  border-radius: 8px;
  padding: 1px 7px;
}
.backlog-item .grow { flex: 1; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ── Labeler task list + gates ───────────────────────────────────────────── */
.task-list { display: flex; flex-direction: column; gap: 8px; }
.task-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 11px 13px;
  cursor: pointer;
  font-size: 13px;
}
.task-item:hover { border-color: var(--accent); }
.task-item.active { box-shadow: 0 0 0 2px var(--accent) inset; }
.task-item .status { margin-left: auto; font-size: 10px; text-transform: uppercase; letter-spacing: .3px; color: var(--muted); }
.task-item .status.done { color: var(--ok); }
.task-item .status.in_progress { color: var(--warn); }

.gate-block {
  background: #0d1117;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 12px;
  margin-bottom: 10px;
}
.gate-block.locked { opacity: .45; pointer-events: none; filter: saturate(.5); }
.gate-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.gate-num { width: 20px; height: 20px; border-radius: 50%; background: var(--panel-2); border: 1px solid var(--line); color: var(--muted); font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.gate-title { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .4px; }
.gate-actions { display: flex; gap: 8px; }
.gate-btn {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 7px;
  padding: 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.gate-btn.ok { border-color: rgba(63,185,80,.5); color: var(--ok); }
.gate-btn.bad { border-color: rgba(248,81,73,.5); color: var(--bad); }
.gate-btn.warnv { border-color: rgba(210,153,34,.5); color: var(--warn); }
.gate-btn.sel.ok { background: var(--ok); border-color: var(--ok); color: #04140a; }
.gate-btn.sel.bad { background: var(--bad); border-color: var(--bad); color: #fff; }
.gate-btn.sel.warnv { background: var(--warn); border-color: var(--warn); color: #0e1116; }
.gate-note, .species-input {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 7px;
  padding: 9px;
  font-size: 12px;
  font-family: inherit;
  margin-top: 8px;
}
.gate-note:focus, .species-input:focus { outline: 0; border-color: var(--accent); }
.mask-verdict { font-size: 12px; color: var(--muted); margin-top: 8px; line-height: 1.5; }
.mask-verdict b { color: var(--text); }

.empty { color: var(--muted); font-size: 13px; font-style: italic; padding: 18px; text-align: center; }

/* ── Toast ───────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 13px;
  max-width: 90vw;
  box-shadow: 0 10px 30px rgba(0,0,0,.5);
  z-index: 200;
}
.toast[hidden] { display: none; }
.toast.err { border-left-color: var(--bad); }
.toast.ok { border-left-color: var(--ok); }

select.batch-select {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13px;
  font-family: inherit;
  width: 100%;
}

/* Navegació supervisor — copiada del mockup v3 */
.sup-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;overflow-x:auto;scrollbar-width:none}
.sup-nav::-webkit-scrollbar{display:none}
.sup-nav[hidden]{display:none}
.snav-btn{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;background:transparent;border:1px solid transparent;color:var(--muted);border-radius:8px;padding:5px 11px;font-size:12px;font-weight:700;cursor:pointer;font-family:inherit;text-decoration:none}
.snav-btn:hover{background:var(--panel-2);color:var(--text)}
.snav-btn.on{background:rgba(47,129,247,.14);border-color:rgba(47,129,247,.5);color:var(--text)}
.snav-btn .snav-badge{font-size:9px;font-weight:800;background:var(--warn);color:#0e1116;border-radius:9px;padding:0 6px}
.snav-btn .snav-badge.zero{background:var(--panel-2);color:var(--muted)}
@media(max-width:820px){.sup-nav{justify-content:flex-start}.snav-btn{padding:5px 8px;font-size:11px}}