:root { --bg:#0b0f1a; --fg:#e8ecf5; --muted:#8a93a8; --accent:#5b8cff; --err:#ff6b6b; --card:#121829; --line:#1e2740; }
* { box-sizing: border-box; }
body {
  margin:0; min-height:100vh; background:var(--bg); color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  display:flex; align-items:flex-start; justify-content:center; padding:2rem;
}
.wrap { max-width:900px; width:100%; text-align:center; }
h1 { font-size:2.4rem; margin:0 0 .5rem; letter-spacing:-.02em; }
h2 { margin:2rem 0 .75rem; font-size:1.2rem; color:var(--muted); }
h3 { margin:1.5rem 0 .5rem; font-size:1.1rem; }
.tagline { color:var(--muted); font-size:1.05rem; line-height:1.5; margin:0 0 2rem; }
.button {
  display:inline-block; background:var(--accent); color:white; border:none;
  padding:.85rem 1.6rem; border-radius:10px; font-size:1rem; font-weight:600;
  text-decoration:none; cursor:pointer; transition:opacity .15s;
}
.button:hover { opacity:.88; }
.uploader { display:flex; flex-direction:column; gap:1rem; align-items:center; margin-top:1rem; }
.uploader input[type=file] { color:var(--muted); }
.note { margin-top:2.5rem; color:var(--muted); font-size:.85rem; }
.back { color:var(--muted); text-decoration:none; display:inline-block; margin-bottom:1.5rem; }
.error { color:var(--err); margin-top:1.5rem; line-height:1.5; }
.result { max-width:100%; border-radius:10px; margin-top:.5rem; border:1px solid var(--line); }
.strip-title { color:var(--muted); }
.candidates { list-style:none; padding:0; margin:1rem auto; max-width:560px; text-align:left;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:.9rem; }
.candidates li { background:var(--card); border:1px solid var(--line); border-radius:8px;
  padding:.55rem .8rem; margin-bottom:.45rem; color:#cfe0ff; }
.loading { margin-top:2rem; color:var(--muted); }
.spinner { width:38px; height:38px; margin:0 auto 1rem; border:4px solid var(--line);
  border-top-color:var(--accent); border-radius:50%; animation:spin 0.9s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

/* ---- interactive viewer ---- */
.viewer-block { margin-top:1.5rem; }
.hint { color:var(--muted); font-size:.95rem; line-height:1.5; max-width:640px; margin:0 auto 1rem; }
.viewer {
  position:relative; height:520px; overflow:hidden; background:#000;
  border:1px solid var(--line); border-radius:12px; cursor:grab;
  display:flex; align-items:center; justify-content:center;
}
.viewer:active { cursor:grabbing; }
.viewer:fullscreen { height:100vh; width:100vw; border:none; border-radius:0; }
.viewer-img { max-height:100%; max-width:100%; transform-origin:center center;
  user-select:none; -webkit-user-drag:none; }
.frame-label { position:absolute; top:10px; left:12px; background:rgba(0,0,0,.6);
  color:#fff; padding:4px 10px; border-radius:6px; font-size:.85rem; font-weight:600; }
.controls { display:flex; flex-wrap:wrap; gap:.5rem; justify-content:center; margin:.9rem 0; align-items:center; }
.ctrl { background:var(--card); color:var(--fg); border:1px solid var(--line);
  padding:.5rem .8rem; border-radius:8px; font-size:.9rem; cursor:pointer; }
.ctrl:hover { border-color:var(--accent); }
.speed { color:var(--muted); font-size:.85rem; display:flex; align-items:center; gap:.5rem; }
.legend { list-style:none; padding:0; margin:.5rem auto 0; max-width:560px; text-align:left;
  font-size:.85rem; color:var(--muted); line-height:1.6; }
.legend b { color:var(--fg); }

/* ---- candidate rows with orbit buttons ---- */
.candidates li.cand { display:flex; justify-content:space-between; align-items:center; gap:1rem; flex-wrap:wrap; }
.cand-info { color:#cfe0ff; }
.named { color:#7ee0a5; font-weight:600; }
.orbit-btn { background:var(--accent); color:#fff; text-decoration:none; padding:.35rem .7rem;
  border-radius:7px; font-size:.82rem; font-family:-apple-system,sans-serif; white-space:nowrap; }
.orbit-btn:hover { opacity:.88; }
.unknown { color:var(--muted); font-size:.8rem; font-style:italic; }

.all-orbits { display:inline-block; padding:.6rem 1.2rem; font-size:.95rem; }

/* ---- asteroid panel: slides in from the right ---- */
.ac-overlay{position:fixed;inset:0;background:rgba(3,5,14,.45);backdrop-filter:blur(3px);
  display:flex;justify-content:flex-end;align-items:stretch;z-index:200;
  opacity:0;transition:opacity .3s ease}
.ac-overlay.ac-in{opacity:1}

.ac-card{position:relative;width:min(380px,92vw);height:100%;
  background:#0e1424;border-left:1px solid #253150;border-radius:18px 0 0 18px;
  padding:1.7rem 1.5rem 1.4rem;overflow-y:auto;
  box-shadow:-24px 0 70px rgba(0,0,0,.6);text-align:center;
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#dbe6ff;
  transform:translateX(100%);transition:transform .34s cubic-bezier(.22,.61,.36,1)}
.ac-overlay.ac-in .ac-card{transform:translateX(0)}

.ac-close{position:absolute;top:.6rem;right:.8rem;background:none;border:none;color:#7d8aa5;
  font-size:1.7rem;line-height:1;cursor:pointer;padding:.2rem .45rem;border-radius:6px}
.ac-close:hover{color:#fff;background:#1b2440}
.ac-rock{display:block;margin:.4rem auto .7rem;filter:drop-shadow(0 6px 18px rgba(0,0,0,.55))}
.ac-name{margin:0;font-size:1.35rem;letter-spacing:.01em}
.ac-class{color:#8ec5ff;font-size:.8rem;margin:.3rem 0 1.2rem;text-transform:uppercase;letter-spacing:.09em}
.ac-rows{text-align:left}
.ac-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;
  padding:.45rem 0;border-bottom:1px solid #1a2238;font-size:.88rem}
.ac-row:last-child{border-bottom:none}
.ac-k{color:#9fb0d0}
.ac-v{color:#fff;font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.ac-note{display:block;font-style:normal;font-weight:400;color:#6d7b96;font-size:.72rem;margin-top:.12rem}
.ac-soon{opacity:.45;font-style:italic;margin-top:.5rem;border-top:1px solid #1a2238;padding-top:.65rem}
.ac-src{color:#5f6d88;font-size:.72rem;line-height:1.45;margin:1rem 0 .2rem;text-align:left}
.ac-loading{color:#9fb0d0;padding:2.5rem 0;margin:0}

@media (max-width:640px){
  .ac-card{width:100vw;border-radius:0}
}

/* ---- 5-second hint toast ---- */
.ac-toast{position:fixed;left:50%;bottom:2.2rem;transform:translate(-50%,1.2rem);
  background:#1b2440;color:#dbe6ff;border:1px solid #2c3a5e;border-radius:10px;
  padding:.6rem 1.1rem;font-size:.88rem;font-family:-apple-system,sans-serif;
  z-index:300;opacity:0;pointer-events:none;transition:opacity .35s,transform .35s;
  box-shadow:0 10px 30px rgba(0,0,0,.5)}
.ac-toast.show{opacity:1;transform:translate(-50%,0)}

/* ---- clickable asteroid hotspots over the blink viewer ---- */
.hotspot{position:absolute;width:34px;height:34px;margin:-17px 0 0 -17px;
  border:2px solid rgba(255,255,255,.75);border-radius:50%;cursor:pointer;
  background:rgba(120,180,255,.10);transition:background .15s,border-color .15s}
.hotspot:hover{background:rgba(120,180,255,.28);border-color:#8ec5ff}
.hotspot:focus{outline:3px solid #ffd24d;outline-offset:2px}

/* ---- hazard block on the asteroid panel ---- */
.ac-hazard{border-radius:12px;padding:.85rem .95rem;margin:0 0 1.1rem;text-align:left;
  border:1px solid transparent}
.ac-hz-title{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:#8d9bb5;margin-bottom:.3rem}
.ac-verdict{font-weight:700;font-size:1rem;line-height:1.3}
.ac-why{font-size:.78rem;color:#9fb0d0;line-height:1.5;margin:.45rem 0 .35rem}
.ac-impact{font-size:.83rem;font-weight:600;margin:0}
.ac-safe{background:rgba(46,125,79,.14);border-color:#2f7d4f}
.ac-safe .ac-verdict,.ac-safe .ac-impact{color:#7ee0a5}
.ac-watch{background:rgba(180,140,30,.13);border-color:#8a6a1f}
.ac-watch .ac-verdict,.ac-watch .ac-impact{color:#ffd24d}
.ac-danger{background:rgba(160,50,50,.15);border-color:#8a3030}
.ac-danger .ac-verdict,.ac-danger .ac-impact{color:#ff8a8a}

/* ---- detect-by-ear sonar ---- */
.sn-controls{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;align-items:center;margin:.8rem 0 .6rem}
.sn-readout{display:flex;flex-direction:column;align-items:center;gap:.25rem;margin:.4rem 0 .2rem;
  line-height:1.4}
#snProgress{font-weight:700;color:#8ec5ff;font-size:.95rem}
#snFrameLbl{font-weight:600;color:#cfe0ff;font-size:.88rem;min-height:1.2em}
#snStatus{color:#ffd24d;font-weight:600;font-size:.86rem;min-height:1.3em;max-width:560px;text-align:center}
.sn-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.sn-meter{height:14px;width:560px;max-width:92%;margin:.55rem auto .7rem;background:#111a2e;
  border-radius:8px;overflow:hidden}
#snBar{height:100%;width:0;background:linear-gradient(90deg,#3987e5,#ffd24d,#ff5c5c)}
#snWrap{position:relative;display:inline-block;cursor:crosshair;touch-action:none;border-radius:10px}
#snWrap:focus{outline:3px solid #ffd24d;outline-offset:3px}
#snSky{width:560px;max-width:92vw;border-radius:10px;border:1px solid #223;display:block}
#snOv{position:absolute;left:0;top:0;pointer-events:none}
#snResult{max-width:580px;margin:.9rem auto;font-size:.88rem;line-height:1.65;color:#cfe0ff;text-align:left}
.sn-hit{padding:.4rem 0;border-bottom:1px solid #1a2238;color:#7ee0a5}
.sn-hit:last-child{border-bottom:none}
.sn-miss{color:#ffd24d;display:block;margin-top:.5rem}
/* hunt-by-ear commit tiers: color the log entry by confidence band */
.hit-candidate{color:#7ee0a5}       /* bright green: real candidate */
.hit-maybe{color:#e0c46a}           /* amber: low-confidence, needs blink-verify */