:root{--bg:#0f1115;--card:#171a21;--fg:#e8eaf0;--mut:#8a90a0;--acc:#f7931a;--ok:#2ecc71;--bad:#e74c3c;--line:#262a33;--h1:#3a2a12;--h2:#f7931a}
[data-theme=light]{--bg:#f6f7f9;--card:#fff;--fg:#14161a;--mut:#6b7280;--line:#e5e7eb;--h1:#fde7c7}
[data-theme=matrix]{--bg:#020b04;--card:#06150a;--fg:#b6ffc6;--mut:#4f8a5d;--acc:#00ff66;--line:#0f2a16;--h1:#0b3b1a;--h2:#00ff66}
[data-theme=ocean]{--bg:#06141f;--card:#0b2030;--fg:#dff3ff;--mut:#7aa3bb;--acc:#36c3ff;--line:#123349;--h1:#0f3b57;--h2:#36c3ff}
*{box-sizing:border-box}body{margin:0;font:15px/1.45 system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--fg)}
header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:2}
.brand{font-size:20px}.brand b{color:var(--acc)}.by{font-size:12px;color:var(--mut)}
nav button{background:none;border:0;color:var(--mut);padding:8px 10px;font-size:15px;cursor:pointer}nav button.on{color:var(--fg);border-bottom:2px solid var(--acc)}
main{max-width:860px;margin:auto;padding:12px}.tab{display:none}.tab.on{display:block}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:12px 0}h2{margin:0 0 8px;font-size:17px}
label{display:block;margin:10px 0 4px;color:var(--mut);font-size:13px}
input,textarea,select,button,.btnl{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 9px}
textarea{width:100%}button,.btnl{cursor:pointer}button:hover{border-color:var(--acc)}
.cta{background:var(--acc);color:#111;border:0;font-weight:600;width:100%;margin-top:12px;padding:11px}.cta.did{background:var(--ok)}
.row{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:6px 0}.danger{color:var(--bad)}
.streaks{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.big{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.big span{font-size:34px;font-weight:700;color:var(--acc);display:block}.big small{color:var(--mut)}
.chk{display:flex;gap:8px;align-items:center;padding:6px 0}.chk input{width:20px;height:20px}
.mood button{font-size:22px;padding:4px 10px;margin-right:4px}.mood button.on{border-color:var(--acc);background:var(--h1)}
.heat{display:grid;grid-template-rows:repeat(7,14px);grid-auto-flow:column;gap:3px}.heat i{width:14px;height:14px;border-radius:3px;background:var(--line)}
.heat i.l1{background:var(--h1)}.heat i.l2{background:var(--h2)}
.trade{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding:5px 0}.pos{color:var(--ok)}.neg{color:var(--bad)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}.grid div{border:1px solid var(--line);border-radius:8px;padding:8px}.grid b{display:block;font-size:19px}
.muted{color:var(--mut);font-size:13px}.pro{font-size:10px;background:var(--acc);color:#111;border-radius:4px;padding:1px 5px;vertical-align:middle}
.lock{border:1px dashed var(--acc);border-radius:8px;padding:10px;color:var(--mut)}table{width:100%;border-collapse:collapse}td,th{padding:4px;border-bottom:1px solid var(--line);text-align:left}
canvas{width:100%;height:auto}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--acc);color:#111;padding:8px 14px;border-radius:8px;display:none}
footer{text-align:center;color:var(--mut);font-size:12px;padding:20px}footer a{color:var(--mut)}a{color:var(--acc)}
/* long tokens (npub, BTC addresses, keys, URLs) must never widen the page */
code,kbd,samp,pre,.addr,.mono,a,td,th,.faq p,.faq summary,.doc p,.doc li,footer,textarea,input{overflow-wrap:anywhere;word-break:break-word}
code,.addr,.mono,textarea{word-break:break-all}pre{white-space:pre-wrap}
html,body{max-width:100%;overflow-x:hidden}img,svg,canvas,video{max-width:100%}
nav{display:flex;flex-wrap:wrap;gap:0 2px;min-width:0;max-width:100%}nav .navlink,nav button{white-space:nowrap}
@media(max-width:520px){header{padding:8px 10px}nav .navlink,nav button{padding:6px 7px;font-size:14px}}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}