/* ==========================================================================
   BITCOIN TRANSACTION TRACER — PWN-ALL. Self-contained tokens; chrome comes
   from /tools/theme.css. Light/dark via [data-theme] on <html>.
   ========================================================================== */
:root {
  --page:#f6f8fc; --card:#fff; --sunken:#eef2f8; --ink:#0b1220; --body:#3a4a63;
  --muted:#566480; --faint:#5a6678; --border:#d1d9e5; --border-2:#aeb9c9;
  --accent:#2f6bff; --accent-text:#1f52d6; --accent-soft:#e9f1ff;
  --tracer-accent:#2457c5; --tracer-on-accent:#fff;
  --control-border:#788496; --seq-back:#6b3fc1; --seq-terminal:#475569;
  --red:#b91c24; --red-soft:#fdecec; --amber:#a65c00; --amber-soft:#fef4e4;
  --green:#007b58; --green-soft:#e6faf2; --purple:#6b3fc1; --purple-soft:#efeafe;
  --edge:#64748b; --edge-back:#a65c00; --edge-prov:#6b3fc1;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --radius:12px; --shadow:0 12px 28px rgba(11,18,32,.10),0 4px 8px rgba(11,18,32,.05);
}
[data-theme="dark"], :root:not([data-theme="light"]) {
  --page:#16171a; --card:#1d1f23; --sunken:#25282e; --ink:#e7e8ec; --body:#b2b7bf;
  --muted:#aab0ba; --faint:#a0a6b0; --border:#3a3e47; --border-2:#545b67;
  --accent:#4d8bff; --accent-text:#9ec0ff; --accent-soft:#1b2433;
  --tracer-accent:#2864dc; --tracer-on-accent:#fff;
  --control-border:#738094; --seq-back:#7048c5; --seq-terminal:#526174;
  --red:#ff757c; --red-soft:#2a1417; --amber:#f3b64f; --amber-soft:#2a2010;
  --green:#42d6a4; --green-soft:#0e2620; --purple:#b69cff; --purple-soft:#1c1730;
  --edge:#8390a3; --edge-back:#f3b64f; --edge-prov:#b69cff;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark}}

*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--body);font-family:var(--font);
  -webkit-font-smoothing:antialiased;line-height:1.55}
.mono,.node-addr,.node-val,.edge-val,.mix-sub{font-family:var(--mono);direction:ltr;unicode-bidi:isolate}
.muted{color:var(--muted)}
.container{max-width:1180px;margin-inline:auto;padding-inline:clamp(16px,4vw,24px)}
a{color:var(--accent-text)}

/* hero */
.hero{padding:clamp(28px,5vw,56px) 0}
.hero-in{display:grid;grid-template-columns:1fr;gap:28px;max-width:1180px;margin-inline:auto;padding-inline:clamp(16px,4vw,24px)}
@media(min-width:920px){.hero-in{grid-template-columns:1fr 1fr;align-items:center;gap:48px}}
.display{font-size:clamp(34px,6vw,58px);line-height:1.02;letter-spacing:-.02em;color:var(--ink);margin:0 0 16px}
.lede{font-size:clamp(15px,2vw,18px);color:var(--body);max-width:46ch;margin:0 0 20px}
.trust{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.trust li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}

/* chips */
.chip{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;
  border-radius:9px;background:var(--accent-soft);color:var(--accent-text);border:1px solid var(--border)}
.chip svg{display:block}

/* card + form */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.card-lg{padding:clamp(20px,3vw,28px)}
.elev,.elev-lg{box-shadow:var(--shadow)}
.field{display:block;margin-bottom:14px}
.field-label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field-hint{display:block;font-size:12px;color:var(--faint);margin-top:6px}
.input{width:100%;height:46px;padding:0 14px;border:1px solid var(--control-border);border-radius:8px;
  background:var(--card);color:var(--ink);font-size:14px;font-family:inherit}
.input.mono{font-size:13px}
.input:focus{outline:none;border-color:var(--tracer-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--tracer-accent) 24%,transparent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;
  border:1px solid transparent;border-radius:8px;font:inherit;font-weight:600;cursor:pointer}
.btn-lg{width:100%;height:50px;font-size:15px}
.btn-accent{background:var(--tracer-accent);color:var(--tracer-on-accent);border-color:var(--tracer-accent)}
.btn-accent:hover{filter:brightness(1.06)}
.btn:disabled{cursor:wait;opacity:.72;filter:saturate(.65)}
.btn:focus-visible,.out-row:focus-visible{outline:3px solid color-mix(in srgb,var(--tracer-accent) 45%,transparent);outline-offset:2px}
.opts{display:grid;grid-template-columns:1fr;gap:10px;margin:4px 0 14px}
@media(min-width:520px){.opts{grid-template-columns:2fr 1fr 1fr}}
.opt{display:block}
.opt>span{display:block;font-size:12px;font-weight:600;color:var(--ink);margin-bottom:5px}
.opt .input{height:42px;padding:0 10px;cursor:pointer}
select.input{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 16px) 18px,calc(100% - 11px) 18px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.status{margin:14px 0 0;font-size:13px;color:var(--muted);min-height:1em}
.status.busy::after{content:'';display:inline-block;width:12px;height:12px;margin-inline-start:8px;vertical-align:-2px;
  border:2px solid var(--border-2);border-top-color:var(--tracer-accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* output picker */
.picker-wrap{margin-top:16px}
.picker{display:grid;gap:8px}
.out-row{display:flex;align-items:center;gap:12px;width:100%;text-align:start;padding:12px 14px;
  border:1px solid var(--border);border-radius:9px;background:var(--sunken);color:var(--body);cursor:pointer;font:inherit}
.out-row:hover{border-color:var(--tracer-accent);background:var(--accent-soft)}
.out-amt{font-weight:700;color:var(--ink);font-family:var(--mono);font-size:13px}
.out-addr{color:var(--muted);font-size:12px}
.out-go{margin-inline-start:auto;font-size:12px;font-weight:600;color:var(--accent-text)}

/* tags */
.tag{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.03em;border:1px solid}
.tag-cex{background:var(--accent-soft);color:var(--accent-text);border-color:transparent}
.tag-sanctioned,.tag-ransomware,.tag-darknet{background:var(--red-soft);color:var(--red);border-color:transparent}
.tag-mixer{background:var(--purple-soft);color:var(--purple);border-color:transparent}

/* graph */
.graph-card{margin:28px 0}
.graph-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.graph-head strong{color:var(--ink)}
.graph-head p{margin:2px 0 0;font-size:13px}
.graph-scroll{overflow:auto;border:1px solid var(--border);border-radius:10px;background:var(--page);padding:8px}
#graph{display:block;min-width:100%}
.legend{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;font-size:12px;color:var(--muted)}
.legend .sw{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-1px;margin-inline-end:6px;border:1px solid var(--border-2)}
.sw-seed{background:var(--tracer-accent)}.sw-cex{background:var(--green)}.sw-sanctioned{background:var(--red)}
.sw-mix{background:var(--red);transform:rotate(45deg)}.sw-unspent{background:var(--faint)}
.sw-back{background:var(--purple)}.sw-poison{background:repeating-linear-gradient(45deg,var(--red),var(--red) 3px,#fff 3px,#fff 5px)}

/* svg nodes + edges */
.node-box{fill:var(--card);stroke:var(--border-2);stroke-width:1.5}
.node-seed{stroke:var(--tracer-accent);stroke-width:2.5}
.node-back{stroke:var(--purple);stroke-dasharray:none}
.node-unspent{stroke-dasharray:4 3}
.node-cex .node-box{stroke:var(--green)}
.node-sanctioned .node-box,.node-ransomware .node-box,.node-darknet .node-box{stroke:var(--red);fill:var(--red-soft)}
.node-mixer .node-box{stroke:var(--purple);fill:var(--purple-soft)}
.node-poison .node-box{stroke:var(--red);stroke-dasharray:5 3}
.node-sink .node-box{stroke:var(--faint);fill:var(--sunken);stroke-dasharray:5 3}
.node-burned .node-box{stroke:var(--faint);fill:var(--sunken);stroke-dasharray:2 3}
.node-name{fill:var(--ink);font:600 12px var(--font)}
.node-addr{fill:var(--muted);font:11px var(--mono)}
.node-val{fill:var(--accent-text);font:600 12px var(--mono)}
.edge{stroke:var(--edge);stroke-width:1.6;fill:none}
.edge-hit{stroke:transparent;stroke-width:14;pointer-events:stroke;cursor:pointer}
.edge-backward{stroke:var(--edge-prov);stroke-dasharray:2 3}
.edge-mix{stroke:var(--red);stroke-width:2}
.edge-fee,.edge-pruned,.edge-overflow,.edge-unattributed{stroke:var(--faint);stroke-dasharray:5 4}
.seq-bg{fill:var(--tracer-accent);stroke:var(--card);stroke-width:2}
.seq-backward{fill:var(--seq-back)}
.seq-fee,.seq-pruned,.seq-overflow,.seq-unattributed{fill:var(--seq-terminal)}
.seq-txt{fill:#fff;font:700 11px var(--font);text-anchor:middle}
.edge-val{fill:var(--muted);font:10px var(--mono);text-anchor:middle}
#graph a:focus-visible{outline:none}
#graph a:focus-visible .node-box,#graph a:focus-visible .mix-diamond{stroke:var(--tracer-accent);stroke-width:3.5}
#graph a:focus-visible .edge{stroke:var(--tracer-accent);stroke-width:3}
/* mixer diamond */
.mix-diamond{fill:var(--red-soft);stroke:var(--red);stroke-width:2}
.mix-label{fill:var(--red);font:700 10px var(--font);text-anchor:middle}
.mix-sub{fill:var(--muted);font:9px var(--mono);text-anchor:middle}

/* report */
.report-grid{display:grid;gap:20px;margin:8px 0 28px}
@media(min-width:760px){.report-grid{grid-template-columns:300px 1fr}}
.aml-card{text-align:center}
.score-ring{width:140px;height:140px;margin:6px auto 12px;border-radius:50%;display:grid;place-items:center;
  --risk-color:var(--tracer-accent);--score-angle:0deg;
  background:conic-gradient(var(--risk-color) 0 var(--score-angle),var(--border) var(--score-angle) 360deg);position:relative}
.score-ring::before{content:'';position:absolute;inset:12px;border-radius:50%;background:var(--card)}
.score-ring .score{position:relative;font:800 40px var(--font);color:var(--ink)}
.score-ring.lvl-low{--risk-color:var(--green)}
.score-ring.lvl-medium{--risk-color:var(--amber)}
.score-ring.lvl-high,.score-ring.lvl-severe{--risk-color:var(--red)}
.level{font-weight:800;letter-spacing:.05em;font-size:14px;margin-bottom:12px}
.level.lvl-low{color:var(--green)}.level.lvl-medium{color:var(--amber)}
.level.lvl-high,.level.lvl-severe{color:var(--red)}
.reasons{list-style:none;padding:0;margin:0;text-align:start;display:grid;gap:8px}
.reasons li{font-size:13px;padding-inline-start:18px;position:relative;color:var(--body)}
.reasons li::before{content:'›';position:absolute;inset-inline-start:4px;color:var(--accent-text);font-weight:700}
.disclaimer{font-size:11px;color:var(--faint);margin:14px 0 0;text-align:start}
.find-card h3{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--ink);margin:0 0 10px}
.find-card h3:not(:first-child){margin-top:22px}
.find-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.find-list li{display:flex;align-items:center;gap:10px;font-size:13px}
.find-list .none{color:var(--faint)}
.find-list .warning{color:var(--amber);font-weight:600}

/* how it works */
.section-sm{padding-block:8px 48px}
.h2{font-size:clamp(22px,3vw,30px);color:var(--ink);letter-spacing:-.01em;margin:0 0 20px}
.steps{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:680px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{display:flex;gap:12px;align-items:flex-start}
.step-n{flex:none;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent-text);font-weight:700;font-size:14px}
.step strong{color:var(--ink);display:block;margin-bottom:3px;font-size:14px}
.step p{margin:0;font-size:13px;color:var(--muted)}

#txid{direction:ltr;text-align:start;unicode-bidi:isolate}

@media (prefers-reduced-motion:reduce){
  .status.busy::after{animation-duration:1.5s}
  *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important}
}
