/* style.css — shared styling for AstraModels3D standalone pages. Dark cosmic theme. */
:root{
  --bg:#06070d; --bg2:#0b0e1a; --panel:#11142270; --panel-solid:#141827;
  --line:#2a2f45; --line2:#3a4162;
  --txt:#e7ecf7; --txt2:#aab3cd; --txt3:#7f89a8;
  --gold:#d8c58a; --accent:#6ea8ff;
  --real:#5fbf86; --spec:#e0a24a; --danger:#e0796a;
  --radius:14px; --mono:ui-monospace,SFMono-Regular,Menlo,"Cascadia Code",monospace;
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:radial-gradient(1200px 700px at 50% -10%,#12162a 0%,var(--bg) 60%);color:var(--txt);font-family:var(--sans);line-height:1.7;-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:28px 20px 80px}
.topbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.topbar .home{font-size:13px;color:var(--txt2);border:.5px solid var(--line);padding:5px 12px;border-radius:999px}
.topbar .home:hover{border-color:var(--line2);text-decoration:none;color:var(--txt)}
h1{font-size:26px;font-weight:600;margin:.2em 0 .1em;letter-spacing:.2px}
h2{font-size:19px;font-weight:600;margin:1.6em 0 .5em}
h3{font-size:16px;font-weight:600;margin:1.2em 0 .4em;color:var(--txt)}
.subtitle{color:var(--txt2);font-size:15px;margin:.1em 0 1.2em}
p{margin:.5em 0}
.muted{color:var(--txt2)}
.small{font-size:13px}
code,.mono{font-family:var(--mono)}

/* 3D stage */
.stage{position:relative;width:100%;aspect-ratio:16/10;min-height:380px;border-radius:var(--radius);overflow:hidden;border:.5px solid var(--line);background:#05060c;touch-action:none;box-shadow:0 10px 40px -20px #000}
.stage canvas{display:block;width:100%;height:100%;cursor:grab}
.stage canvas:active{cursor:grabbing}
.stage .hint{position:absolute;left:14px;bottom:12px;font-size:11.5px;color:rgba(220,228,245,.55);pointer-events:none}
.ctrl{position:absolute;top:12px;right:12px;display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end;max-width:70%}
.btn{min-width:34px;height:34px;padding:0 11px;display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:9px;border:.5px solid rgba(210,224,246,.28);background:rgba(16,22,36,.7);color:#e2e9f4;cursor:pointer;font-size:13px;font-family:var(--sans);line-height:1}
.btn:hover{background:rgba(44,56,86,.85);border-color:var(--line2)}
.btn.on{background:rgba(110,168,255,.22);border-color:var(--accent);color:#dbe8ff}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* legend & spec cards */
.legend{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin:14px 0}
.spec{background:var(--panel);border:.5px solid var(--line);border-radius:12px;padding:13px 15px;backdrop-filter:blur(4px)}
.spec .h{display:flex;align-items:center;gap:9px;margin-bottom:6px}
.spec .dot{width:12px;height:12px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 8px -1px currentColor}
.spec .nm{font-size:14px;font-weight:600}
.spec .tx{font-size:13px;color:var(--txt2)}
.spec .fx{font-family:var(--mono);font-size:12.5px;color:var(--txt);background:#0c0f1c;border:.5px solid var(--line);border-radius:8px;padding:7px 9px;margin-top:7px;overflow-x:auto;white-space:nowrap}

/* panels / sections */
.panel{background:var(--panel);border:.5px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin:14px 0}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:14px}
.kv dt{color:var(--txt2)}
.kv dd{margin:0;text-align:right;font-family:var(--mono)}

/* honesty / status callouts */
.callout{border-left:3px solid var(--spec);background:#171326;border-radius:0 10px 10px 0;padding:12px 15px;margin:14px 0;font-size:14px;color:var(--txt)}
.callout.real{border-left-color:var(--real);background:#12211a}
.callout .tag{font-weight:600;margin-right:6px}
.badge{display:inline-block;font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:999px;vertical-align:middle}
.badge.real{background:#16311f;color:#8fe0ab;border:.5px solid #2f6a45}
.badge.spec{background:#31260f;color:#f0c274;border:.5px solid #6a521f}

/* metric cards */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:14px 0}
.metric{background:var(--panel-solid);border:.5px solid var(--line);border-radius:12px;padding:12px 14px}
.metric .lbl{font-size:12.5px;color:var(--txt2)}
.metric .val{font-size:22px;font-weight:600;margin-top:3px}
.metric .val small{font-size:13px;color:var(--txt2);font-weight:400}

/* controls: sliders / chips */
.field{display:flex;align-items:center;gap:12px;margin:10px 0;font-size:14px}
.field label{color:var(--txt2);min-width:90px}
.field input[type=range]{flex:1;accent-color:var(--accent)}
.field .out{min-width:64px;text-align:right;font-family:var(--mono);color:var(--txt)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.chip{padding:7px 13px;border-radius:999px;border:.5px solid var(--line);background:rgba(20,24,38,.7);color:var(--txt);font-size:13px;cursor:pointer}
.chip:hover{border-color:var(--line2)}
.chip.on{background:rgba(110,168,255,.2);border-color:var(--accent);color:#dbe8ff}
textarea,input[type=text]{width:100%;background:#0c0f1c;border:.5px solid var(--line);border-radius:10px;color:var(--txt);font-family:var(--sans);font-size:15px;padding:11px 13px;resize:vertical}
textarea:focus,input[type=text]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(110,168,255,.14)}
.btn-primary{background:var(--accent);color:#06131f;border:none;font-weight:600;padding:11px 20px;border-radius:10px;cursor:pointer;font-size:15px;font-family:var(--sans)}
.btn-primary:hover{filter:brightness(1.08)}

/* glossary chips */
.term{border-bottom:1px dashed var(--line2);cursor:help}
.chart-box{background:#0a0d18;border:.5px solid var(--line);border-radius:12px;padding:8px;margin:12px 0}
canvas.plot{display:block;width:100%;height:auto}

footer{margin-top:36px;padding-top:18px;border-top:.5px solid var(--line);color:var(--txt3);font-size:12.5px}
.reading{white-space:pre-wrap;font-size:14.5px;line-height:1.85}
.reading h4{color:var(--gold);font-size:15px;margin:1em 0 .3em;font-weight:600}