/* SLEUTH — night recon console */
/* dark instrument ground · phosphor green (locked) · amber (estimate) · cyan (data) */

:root {
  --bg: #0a0d0c;
  --bg2: #0e1210;
  --panel: #121815;
  --panel2: #17201b;
  --ink: #e6ede8;
  --ink2: #c2cdc5;
  --muted: #93a098;
  --dim: #7d8b82;
  --line: #1e2621;
  --line2: #2b3730;
  --green: #4fe0a6;       /* locked / exact gps / primary */
  --green-deep: #1f9d6c;
  --amber: #e6b456;       /* estimate · vision */
  --amber-deep: #c9962f;
  --teal: #57c7c2;        /* links / water / data */
  --teal-deep: #2aa6a0;
  --pin: #ff5a3c;         /* dropped pin / no-location */
  --red: #ff5a3c;
  --sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --gutter: clamp(16px, 4vw, 48px);
  --maxw: 1240px;
  --rad: 14px;
  --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 18px 48px -22px rgba(0,0,0,.7);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
/* instrument ground: fine grid + faint contour rings + a soft vignette */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    linear-gradient(rgba(120,150,132,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,150,132,.045) 1px, transparent 1px);
  background-size: 44px 44px;
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(760px 520px at 86% -8%, rgba(79,224,166,.06), transparent 62%),
    radial-gradient(820px 620px at -6% 108%, rgba(230,180,86,.05), transparent 58%),
    radial-gradient(140% 90% at 50% 120%, rgba(0,0,0,.55), transparent 70%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
.mono { font-family: var(--mono); }
.wrap { position: relative; z-index: 1; width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
::selection { background: var(--green); color: #06281b; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; border-radius: 4px; }

/* ---------- loader: aperture iris → reticle lock ---------- */
.iris-loader { position: fixed; inset: 0; z-index: 200; background: var(--bg); display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 28px; transition: opacity .5s ease, visibility .5s; }
.iris-loader.done { opacity: 0; visibility: hidden; pointer-events: none; }
.iris { position: relative; width: 130px; height: 130px; }
.iris .blade { position: absolute; inset: 0; border-radius: 50%; background: conic-gradient(from 0deg, transparent 0 40deg, rgba(79,224,166,.85) 40deg 50deg, transparent 50deg 360deg); -webkit-mask: radial-gradient(circle, transparent 46%, #000 47%); mask: radial-gradient(circle, transparent 46%, #000 47%); animation: iris 1.1s ease-in-out infinite alternate; }
.iris .blade.b2 { animation-delay: .14s; }
.iris .blade.b3 { animation-delay: .28s; }
.iris .blade.b4 { animation-delay: .42s; }
.iris .blade.b5 { animation-delay: .56s; }
.iris .blade.b6 { animation-delay: .7s; }
@keyframes iris { from { transform: rotate(0deg) scale(.6); } to { transform: rotate(200deg) scale(1.15); } }
.reticle { position: relative; width: 90px; height: 90px; opacity: 0; animation: reticleIn .6s .6s forwards; }
.reticle .h, .reticle .v { position: absolute; background: var(--green); }
.reticle .h { left: 0; right: 0; top: 44px; height: 2px; }
.reticle .v { top: 0; bottom: 0; left: 44px; width: 2px; }
.reticle .ring { position: absolute; inset: 12px; border: 2px solid var(--green); border-radius: 50%; animation: spin 4s linear infinite; }
@keyframes reticleIn { from { opacity: 0; transform: scale(.5); } to { opacity: 1; transform: scale(1); } }
@keyframes spin { to { transform: rotate(360deg); } }
.iris-loader .readout { font-family: var(--mono); font-size: 13px; color: var(--dim); letter-spacing: .06em; }
.iris-loader .readout b { color: var(--green); font-weight: 500; }

/* ---------- top bar (single line + coord ticker) ---------- */
.topbar { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line); background: rgba(10,13,12,.82); backdrop-filter: blur(14px); }
.topbar-inner { display: flex; align-items: center; gap: 22px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.brand .mark { width: 27px; height: 27px; border-radius: 8px; }
.brand .dot { color: var(--pin); }
.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav a { padding: 7px 13px; border-radius: 8px; color: var(--muted); font-size: 14.5px; font-weight: 500; transition: color .15s, background .15s; }
.nav a:hover { color: var(--ink); background: var(--panel); }
.nav a.active { color: var(--green); }
.coord-ticker { display: flex; align-items: center; gap: 8px; margin-left: 12px; padding: 7px 13px; border: 1px solid var(--line2); border-radius: 999px; background: var(--panel); font-family: var(--mono); font-size: 12px; color: var(--muted); white-space: nowrap; }
.coord-ticker .led { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: blink 1.6s infinite; box-shadow: 0 0 8px rgba(79,224,166,.7); }
.coord-ticker b { color: var(--green); font-weight: 500; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 22px; border-radius: 11px; font-weight: 600; font-size: 15px; border: 1px solid transparent; transition: transform .12s, box-shadow .2s, background .2s, border-color .2s; white-space: nowrap; }
.btn:active { transform: translateY(1px); }
.btn-pin { background: var(--green); color: #06281b; }
.btn-pin:hover { box-shadow: 0 12px 32px -10px rgba(79,224,166,.55); }
.btn-teal { background: var(--teal); color: #04211f; }
.btn-teal:hover { box-shadow: 0 12px 32px -10px rgba(87,199,194,.5); }
.btn-ghost { background: var(--panel); color: var(--ink); border-color: var(--line2); }
.btn-ghost:hover { border-color: var(--teal); color: var(--ink); }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn-sm { padding: 9px 14px; font-size: 13px; border-radius: 9px; }
.coord-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

/* ---------- hero ---------- */
.hero { position: relative; padding: clamp(44px, 6vw, 84px) 0 clamp(40px, 5vw, 68px); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
h1.display { font-size: clamp(40px, 6.4vw, 78px); line-height: .98; letter-spacing: -.035em; margin: 0 0 20px; font-weight: 800; }
h1.display em { font-style: normal; color: var(--green); }
.lede { color: var(--muted); font-size: clamp(16px, 1.5vw, 19px); max-width: 520px; margin: 0 0 30px; line-height: 1.6; }
.lede b { color: var(--ink); font-weight: 600; }
.hero-cta { display: flex; gap: 13px; flex-wrap: wrap; }
.hero-note { margin-top: 26px; display: flex; gap: 22px; flex-wrap: wrap; font-family: var(--mono); font-size: 12.5px; color: var(--dim); }
.hero-note b { color: var(--ink2); font-weight: 500; }

/* map (result globe) */
.maplibregl-map { background: #0d1210; font-family: var(--sans); }
.maplibregl-ctrl-attrib { background: rgba(10,13,12,.72) !important; color: var(--dim) !important; font-size: 10px !important; border-radius: 4px 0 0 0; }
.maplibregl-ctrl-attrib a { color: var(--muted) !important; }
.maplibregl-ctrl-group { background: var(--panel) !important; border-radius: 8px !important; box-shadow: 0 2px 10px rgba(0,0,0,.4) !important; }
.maplibregl-ctrl-group button { width: 32px; height: 32px; background: var(--panel) !important; color: var(--ink) !important; }
.maplibregl-ctrl-group button + button { border-top: 1px solid var(--line2) !important; }
.maplibregl-ctrl-group button .maplibregl-ctrl-icon { filter: brightness(0) invert(1); }
.pin-dot { width: 16px; height: 16px; border-radius: 50%; background: var(--ac, #4fe0a6); border: 2.5px solid #fff; box-shadow: 0 1px 6px rgba(0,0,0,.5); position: relative; cursor: pointer; }
.pin-dot::after { content: ""; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid var(--ac, #4fe0a6); animation: pinpulse 2s ease-out infinite; }
@keyframes pinpulse { 0% { transform: scale(.5); opacity: .9; } 100% { transform: scale(2.4); opacity: 0; } }

/* hero globe (装饰性自转地球) */
.hero-map-panel { background: var(--panel); border: 1px solid var(--line2); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
.hero-map-panel .hm-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.hero-map-panel .hm-head .t { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.hero-map-panel .hm-head .r { font-family: var(--mono); font-size: 11px; color: var(--dim); }
#hero-map { height: 400px; width: 100%; background: #0d1210; position: relative; }
#hero-map::after, #map::after { content: "scroll to zoom · drag to rotate"; position: absolute; right: 10px; bottom: 10px; z-index: 5; font-family: var(--mono); font-size: 10.5px; color: var(--ink); background: rgba(10,13,12,.78); border: 1px solid var(--line2); border-radius: 999px; padding: 4px 10px; pointer-events: none; white-space: nowrap; }

/* ---------- upload panel ---------- */
.upload-panel { background: var(--panel); border: 1px solid var(--line2); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
.upload-panel .up-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.upload-panel .up-head .t { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.dropzone { margin: 20px; border: 2px dashed var(--line2); border-radius: 16px; padding: 42px 24px; text-align: center; cursor: pointer; transition: border-color .15s, background .15s; position: relative; overflow: hidden; }
.dropzone:hover, .dropzone:focus { border-color: var(--green); background: var(--panel2); }
.dropzone.drag { border-color: var(--green); background: rgba(79,224,166,.06); }
.dropzone .dz-ic { font-size: 34px; margin-bottom: 10px; color: var(--green); }
.dropzone .dz-main { font-weight: 600; font-size: 15.5px; }
.dropzone .dz-sub { color: var(--dim); font-size: 13px; margin-top: 4px; }
.dropzone .dz-privacy { margin-top: 14px; font-family: var(--mono); font-size: 11px; color: var(--dim); }
.dropzone .dz-img { display: none; width: 100%; height: 300px; object-fit: contain; background: #050807; }
.dropzone.has-img { padding: 8px; border-style: solid; }
.dropzone.has-img .dz-ic, .dropzone.has-img .dz-main, .dropzone.has-img .dz-sub, .dropzone.has-img .dz-privacy { display: none; }
.dropzone.has-img .dz-img { display: block; border-radius: 10px; }
.dropzone.has-img::after { content: "click to choose another"; position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); font-family: var(--mono); font-size: 11px; color: var(--green); background: rgba(10,13,12,.8); border: 1px solid var(--line2); border-radius: 999px; padding: 5px 12px; pointer-events: none; white-space: nowrap; }
.up-status { display: none; margin: 0 20px 20px; padding: 12px 15px; border-radius: 10px; font-size: 14px; }
.up-status.show { display: block; }
.up-status.working { background: rgba(79,224,166,.08); border: 1px solid rgba(79,224,166,.28); color: var(--green); }
.up-status.err { background: rgba(255,90,60,.09); border: 1px solid rgba(255,90,60,.3); color: #ffb3a3; }

/* ---------- result panel ---------- */
.result { display: none; }
.result.show { display: block; animation: rise .45s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
/* analysis trace */
.trace-steps { display: flex; flex-direction: column; gap: 2px; }
.trace-step { display: flex; gap: 12px; align-items: flex-start; padding: 8px 12px; border-radius: 10px; }
.trace-step .ic { width: 22px; height: 22px; flex: 0 0 auto; display: flex; align-items: center; justify-content: center; border-radius: 50%; font-family: var(--mono); font-size: 12px; margin-top: 1px; }
.trace-step.ok .ic { color: var(--green); border: 1px solid rgba(79,224,166,.4); background: rgba(79,224,166,.08); }
.trace-step.hint .ic { color: var(--amber); border: 1px solid rgba(230,180,86,.4); background: rgba(230,180,86,.08); }
.trace-step.skip .ic { color: var(--dim); border: 1px solid var(--line2); }
.trace-step.none .ic { color: var(--pin); border: 1px solid rgba(255,90,60,.4); background: rgba(255,90,60,.08); }
.trace-step .t { font-size: 13.5px; font-weight: 600; }
.trace-step .d { font-size: 12.5px; color: var(--muted); margin-top: 1px; line-height: 1.55; }
.sub-h { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); margin: 18px 0 9px; }
.signals { display: flex; flex-direction: column; gap: 6px; }
.signal { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 8px 12px; background: var(--panel2); border: 1px solid var(--line); border-radius: 9px; font-size: 13px; }
.signal .cue { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--teal); background: rgba(87,199,194,.1); border: 1px solid rgba(87,199,194,.25); padding: 2px 7px; border-radius: 6px; white-space: nowrap; }
.signal .saw { color: var(--ink2); flex: 1 1 180px; min-width: 140px; }
.signal .arrow { color: var(--dim); font-family: var(--mono); }
.signal .pt { color: var(--green); font-weight: 600; }
.ruled { display: flex; flex-wrap: wrap; gap: 8px; }
.ruled .chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 11px; border-radius: 999px; border: 1px solid var(--line2); background: var(--panel2); font-size: 12.5px; color: var(--muted); }
.ruled .chip i { color: var(--dim); font-style: normal; font-size: 11.5px; }
.ruled .chip::before { content: "✕"; color: var(--pin); font-family: var(--mono); font-size: 11px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.panel .p-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.panel .p-head .t { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.panel .p-body { padding: 18px 20px; }
#map { height: 360px; width: 100%; background: #0d1210; position: relative; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 999px; font-family: var(--mono); font-size: 12px; border: 1px solid var(--line2); }
.badge.exact { color: var(--green); border-color: rgba(79,224,166,.3); background: rgba(79,224,166,.08); }
.badge.strong { color: var(--amber); border-color: rgba(230,180,86,.3); background: rgba(230,180,86,.08); }
.badge.hypo { color: var(--amber); border-color: rgba(230,180,86,.3); background: rgba(230,180,86,.08); }
.badge.none { color: var(--dim); }
.coord-line { font-family: var(--mono); font-size: 14px; color: var(--ink2); }
.coord-line b { color: var(--green); font-weight: 600; }
.confidence { margin-top: 16px; }
.confidence .lbl { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 12px; color: var(--muted); margin-bottom: 7px; }
.confidence .lbl .mono { color: var(--ink); }
.conf-bar { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.conf-bar > i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--green), var(--amber)); transition: width .6s cubic-bezier(.2,.8,.2,1); }
.reasoning { font-size: 14.5px; color: var(--muted); line-height: 1.7; }
.reasoning em { color: var(--teal); font-style: normal; }
.clue-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.clue-list li { display: flex; gap: 10px; font-size: 14px; color: var(--ink2); }
.clue-list li .ic { color: var(--green); flex: none; }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.kv .cell { padding: 12px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kv .cell .k { font-family: var(--mono); font-size: 11px; color: var(--dim); text-transform: uppercase; letter-spacing: .05em; }
.kv .cell .v { font-size: 14.5px; color: var(--ink); margin-top: 2px; word-break: break-word; }

/* ---------- sections ---------- */
.section { padding: clamp(52px, 8vw, 92px) 0; }
.section.tight { padding: clamp(36px, 6vw, 60px) 0; }
.sec-head { max-width: 680px; margin-bottom: 40px; }
.sec-head h2 { font-size: clamp(26px, 3.8vw, 40px); letter-spacing: -.02em; margin: 0 0 12px; font-weight: 800; }
.sec-head p { color: var(--muted); margin: 0; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--green); margin-bottom: 12px; }
.eyebrow.pin { color: var(--amber); }

/* confidence ladder (signature) */
.ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rung { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 24px; position: relative; overflow: hidden; }
.rung::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; }
.rung.exact::before { background: var(--green); }
.rung.strong::before { background: var(--amber); }
.rung.hypo::before { background: var(--amber); }
.rung .rt { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.rung.exact .rt { color: var(--green); }
.rung.strong .rt { color: var(--amber); }
.rung.hypo .rt { color: var(--amber); }
.rung h3 { margin: 0 0 8px; font-size: 18px; font-weight: 700; }
.rung p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* steps */
.steps { display: grid; gap: 13px; }
.step { display: flex; gap: 17px; padding: 18px 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.step .n { flex: none; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-family: var(--mono); font-weight: 600; background: var(--panel2); color: var(--green); border: 1px solid var(--line2); }
.step h4 { margin: 1px 0 4px; font-size: 16px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

/* bento */
.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 24px; transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--line2); }
.card.hov:hover { border-color: var(--green); }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }
.card h3 { margin: 0 0 8px; font-size: 18px; font-weight: 700; }
.card p { color: var(--muted); margin: 0; font-size: 14.5px; }
.card .num { font-family: var(--mono); font-size: 30px; color: var(--green); font-weight: 600; }

/* image cards */
.img-card { padding: 0; overflow: hidden; }
.img-card .im { height: 160px; background-size: cover; background-position: center; position: relative; }
.img-card .im::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(10,13,12,.85)); }
.img-card .tag { position: absolute; top: 12px; left: 12px; z-index: 1; font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; padding: 3px 8px; border-radius: 6px; background: rgba(10,13,12,.8); color: var(--green); }
.img-card .bd { padding: 16px 20px 20px; }
.img-card .bd h3 { font-size: 16.5px; margin-bottom: 5px; }
.img-card .bd p { font-size: 13.5px; }

/* dispatch log (recent locks) */
.dispatch { background: var(--panel2); border: 1px solid var(--line); border-radius: 18px; padding: 26px 28px; }
.dispatch .d-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.dispatch .d-head .t { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.dispatch .d-head .live { font-family: var(--mono); font-size: 12px; color: var(--green); }
.dispatch .d-head .live .led { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); margin-right: 6px; animation: blink 1.4s infinite; }
.log-row { display: grid; grid-template-columns: 78px 1fr auto; gap: 14px; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 13px; }
.log-row:last-child { border-bottom: none; }
.log-row .t { color: var(--dim); }
.log-row .coords { color: var(--ink2); }
.log-row .coords b { color: var(--green); font-weight: 500; }
.log-row .conf { color: var(--amber); }
.log-row .conf.g { color: var(--green); }

/* ---------- prose (docs / notes) ---------- */
.prose { max-width: 720px; }
.prose h2 { font-size: 28px; margin: 34px 0 12px; font-weight: 800; }
.prose p { color: var(--ink2); line-height: 1.8; }
.prose code { font-family: var(--mono); font-size: .88em; background: var(--panel2); padding: 2px 6px; border-radius: 5px; color: var(--green); }
.prose ul { color: var(--ink2); line-height: 1.8; }
.prose .term { background: var(--panel2); border: 1px solid var(--line); color: var(--ink2); border-radius: 12px; padding: 18px 20px; font-family: var(--mono); font-size: 13px; overflow-x: auto; }
.prose .term .c { color: var(--green); }
.prose .term .m { color: var(--dim); }
.breadcrumb { font-family: var(--mono); font-size: 13px; color: var(--dim); margin-bottom: 26px; }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb .sep { margin: 0 8px; opacity: .5; }
.byline { font-family: var(--mono); font-size: 12.5px; color: var(--dim); margin: 8px 0 24px; }
.byline b { color: var(--muted); font-weight: 400; }

/* ---------- table ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; background: var(--panel); border-radius: 14px; overflow: hidden; }
.tbl th { text-align: left; font-family: var(--mono); font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--dim); padding: 11px 16px; border-bottom: 1px solid var(--line2); background: var(--panel2); }
.tbl td { padding: 13px 16px; border-bottom: 1px solid var(--line); color: var(--ink2); }
.tbl tr:last-child td { border-bottom: none; }

/* ---------- forms ---------- */
.field { margin-bottom: 18px; }
.field label { display: block; margin-bottom: 6px; font-size: 13.5px; font-weight: 600; color: var(--ink2); }
.field input, .field textarea { width: 100%; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--line2); background: var(--panel2); color: var(--ink); font-size: 15px; font-family: var(--sans); outline: none; transition: border-color .15s, box-shadow .15s; }
.field input::placeholder, .field textarea::placeholder { color: var(--dim); }
.field input:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(79,224,166,.12); }
.field textarea { min-height: 110px; resize: vertical; }
.form-status { margin-top: 16px; padding: 13px 16px; border-radius: 10px; font-size: 14px; display: none; }
.form-status.show { display: block; }
.form-status.ok { background: rgba(79,224,166,.08); border: 1px solid rgba(79,224,166,.3); color: var(--green); }
.form-status.err { background: rgba(255,90,60,.09); border: 1px solid rgba(255,90,60,.3); color: #ffb3a3; }

/* ---------- footer (directory index) ---------- */
.footer { border-top: 1px solid var(--line); background: var(--bg2); padding: 64px 0 40px; position: relative; }
.footer-word { font-size: clamp(40px, 9vw, 112px); font-weight: 800; letter-spacing: -.035em; line-height: .95; color: var(--ink); }
.footer-word span { color: var(--pin); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin: 36px 0 30px; }
.footer-grid .col .h { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); margin-bottom: 12px; }
.footer-grid a { display: block; color: var(--muted); font-size: 14px; padding: 3px 0; }
.footer-grid a:hover { color: var(--green); }
.footer-bottom { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 22px; color: var(--dim); font-size: 13px; }
.footer-bottom .coords { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.colophon a { color: var(--muted); border-bottom: 1px dotted var(--line2); }
.colophon a:hover { color: var(--green); }
.credit { font-family: var(--mono); font-size: 11px; color: var(--dim); margin-top: 14px; }
.credit a { color: var(--muted); border-bottom: 1px dotted var(--line2); }
.credit a:hover { color: var(--green); }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }

/* ---------- misc ---------- */
.pill { display: inline-block; padding: 4px 11px; border-radius: 999px; font-family: var(--mono); font-size: 12px; border: 1px solid var(--line2); color: var(--muted); }
.pill.go { color: var(--green); border-color: rgba(79,224,166,.3); }
.pill.amber { color: var(--amber); border-color: rgba(230,180,86,.3); }
.hidden { display: none !important; }
.divider { border: none; border-top: 1px solid var(--line); }
.ca-badge, .x-link { display: inline-flex; align-items: center; gap: 8px; }
.dim { color: var(--dim); }

/* ---------- article / field-note pages ---------- */
.crumbs { font-family: var(--mono); font-size: 13px; color: var(--dim); margin-bottom: 28px; }
.crumbs a:hover { color: var(--green); }
.crumbs .sep { margin: 0 8px; opacity: .5; }
.article { max-width: 720px; }
.a-title { font-size: clamp(30px, 4.6vw, 46px); line-height: 1.08; letter-spacing: -.02em; margin: 0 0 6px; font-weight: 800; }
.more { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.more a { font-size: 18px; color: var(--green); font-weight: 600; }
.more a:hover { text-decoration: underline; }

/* ---------- changelog entries ---------- */
.entry { padding: 24px 0; border-bottom: 1px solid var(--line); }
.entry:first-of-type { padding-top: 0; }
.entry h3 { margin: 4px 0 8px; font-size: 19px; }
.entry p { margin: 0; }
.e-meta { display: flex; gap: 14px; align-items: baseline; font-family: var(--mono); font-size: 13px; color: var(--dim); }
.e-meta .mono { color: var(--green); }

/* ---------- status placeholder ---------- */
.status-row { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; font-family: var(--mono); font-size: 14px; color: var(--muted); }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .hero-grid, .result-grid, .ladder { grid-template-columns: 1fr; }
  .col-4, .col-6, .col-8 { grid-column: span 12; }
  .nav a:not(.active) { display: none; }
  .coord-ticker { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .kv { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}