:root{--ink:#17211d;--muted:#5d6b64;--paper:#f2f4f1;--panel:#fff;--line:#d6ddd8;--accent:#0e7c66;--accent-ink:#fff;--accent-soft:#e3f3ee;--danger:#b3402a;--warn:#9a6a00;--warn-soft:#fbf1d9;
--font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
@media (prefers-color-scheme:dark){:root{--ink:#e6ece8;--muted:#9aa8a1;--paper:#101614;--panel:#18211e;--line:#2a3631;--accent:#3cc4a1;--accent-ink:#06231b;--accent-soft:#16332b;--danger:#ff8a72;--warn:#e2b04a;--warn-soft:#33290f}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 var(--font)}
h1,h2,h3{margin:0 0 .4rem;font-weight:650;letter-spacing:-.01em}
h1{font-size:1.45rem}h2{font-size:1.1rem}h3{font-size:1rem}
p{margin:.2rem 0 .7rem;max-width:70ch}.muted{color:var(--muted)}
a{color:var(--accent)}
button,input,select{font:inherit;color:inherit}
button{background:var(--accent);color:var(--accent-ink);border:1px solid transparent;border-radius:7px;padding:.5rem .95rem;cursor:pointer;font-weight:600;position:relative;transition:opacity .15s,transform .05s}
button:active:not(:disabled){transform:translateY(1px)}
button.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
button.danger{background:transparent;color:var(--danger);border-color:var(--danger)}
button.small{padding:.25rem .6rem;font-size:.85rem}
button:disabled{opacity:.6;cursor:progress}
button.busy{color:transparent!important}
button.busy::after{content:"";position:absolute;inset:0;margin:auto;width:1em;height:1em;border-radius:50%;border:2px solid var(--accent-ink);border-right-color:transparent;animation:spin .7s linear infinite}
button.ghost.busy::after,button.danger.busy::after{border-color:var(--ink);border-right-color:transparent}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
input,select{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:7px;padding:.5rem .65rem}
label{display:block;font-weight:600;font-size:.9rem;margin:.8rem 0 .25rem}

/* progress bar + spinner + toasts: always visible feedback */
#bar{position:fixed;top:0;left:0;right:0;height:3px;z-index:50;overflow:hidden;opacity:0;transition:opacity .2s}
#bar.on{opacity:1}
#bar::before{content:"";position:absolute;inset:0;width:40%;background:var(--accent);animation:slide 1s ease-in-out infinite}
@keyframes slide{0%{transform:translateX(-100%)}100%{transform:translateX(260%)}}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{display:inline-block;width:1.1rem;height:1.1rem;border-radius:50%;border:2px solid var(--line);border-top-color:var(--accent);animation:spin .8s linear infinite;vertical-align:-.2em;margin-right:.5rem}
.spinner.big{width:2.2rem;height:2.2rem;border-width:3px;margin:0}
.loading{display:flex;align-items:center;color:var(--muted)}
#toasts{position:fixed;right:1rem;bottom:1rem;display:flex;flex-direction:column;gap:.5rem;z-index:60;max-width:min(380px,calc(100vw - 2rem))}
.toast{background:var(--ink);color:var(--paper);padding:.65rem .9rem;border-radius:8px;box-shadow:0 6px 20px rgba(0,0,0,.25);animation:pop .2s ease-out}
.toast.err{background:var(--danger);color:#fff}
@keyframes pop{from{transform:translateY(8px);opacity:0}}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important}#bar::before{animation:none;width:100%}}

/* layout */
.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
nav{border-right:1px solid var(--line);padding:1.25rem 1rem;display:flex;flex-direction:column;gap:.2rem;background:var(--panel);position:sticky;top:0;height:100vh}
nav .brand{font-weight:700;font-size:1.05rem;margin-bottom:1rem}
nav button,nav a.navlink{background:transparent;color:var(--ink);text-align:left;font-weight:500;border:0;border-radius:7px;padding:.55rem .8rem;text-decoration:none;display:block}
nav button:hover,nav a.navlink:hover{background:var(--paper)}
nav button[aria-current=true]{background:var(--accent-soft);box-shadow:inset 3px 0 var(--accent);font-weight:700}
nav .who{margin-top:auto;font-size:.85rem;color:var(--muted);word-break:break-all}
main{padding:1.75rem 2rem 3rem;max-width:980px;width:100%}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1.25rem;margin-bottom:1.1rem}
.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}.row>*{flex:0 0 auto}.grow{flex:1 1 200px!important}
.pill{display:inline-flex;align-items:center;gap:.4rem;padding:.1rem .65rem;border-radius:99px;border:1px solid var(--line);font-size:.8rem;font-weight:600;white-space:nowrap}
.pill::before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:var(--muted)}
.pill.connected{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.pill.connected::before{background:var(--accent)}
.pill.qr_pending,.pill.connecting{color:var(--warn);border-color:var(--warn);background:var(--warn-soft)}.pill.qr_pending::before,.pill.connecting::before{background:var(--warn)}
.pill.failed,.pill.revoked{color:var(--danger);border-color:var(--danger)}.pill.failed::before,.pill.revoked::before{background:var(--danger)}
.pill.plain::before{display:none}
.notice{background:var(--warn-soft);border:1px solid var(--warn);border-radius:8px;padding:.7rem .9rem;color:var(--ink)}

/* numbers */
.num-head{display:flex;justify-content:space-between;gap:.75rem;align-items:flex-start;flex-wrap:wrap;margin-bottom:.9rem}
.num-head h2{margin:0}.num-actions{display:flex;gap:.4rem;align-items:center;flex-wrap:wrap}
.pair{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:1.5rem;align-items:start}
.qrframe{width:100%;max-width:300px;aspect-ratio:1;border:2px dashed var(--line);border-radius:12px;display:grid;place-items:center;background:#fff;padding:.5rem}
.qrframe img{width:100%;height:100%;display:block}
.steps{margin:.25rem 0 .8rem;padding-left:1.2rem}.steps li{margin:.25rem 0}
.ok-state{display:flex;gap:1rem;align-items:flex-start}
.check{flex:0 0 auto;width:3rem;height:3rem;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-size:1.5rem;font-weight:700}
.big{font-size:1.35rem;font-weight:650}
.idle{display:flex;flex-direction:column;gap:.5rem;align-items:flex-start}
.hint{font-size:.85rem;color:var(--muted);margin-top:.8rem;border-top:1px solid var(--line);padding-top:.6rem}
@media(max-width:640px){.pair{grid-template-columns:1fr}}

table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;padding:.5rem .4rem;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-weight:600;color:var(--muted);font-size:.82rem}
td input,td select{padding:.3rem .45rem;min-width:5rem}
.scroll{overflow-x:auto}
code,.mono{font-family:var(--mono);font-size:.85rem}
.secret{background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:.6rem;word-break:break-all;font-family:var(--mono);font-size:.85rem}
.checks{display:flex;flex-wrap:wrap;gap:.4rem 1rem}.checks label{display:flex;gap:.4rem;align-items:center;margin:0;font-weight:500}.checks input{width:auto}
.login{max-width:380px;margin:12vh auto;padding:0 1rem}
@media(max-width:800px){.shell{grid-template-columns:1fr}nav{flex-direction:row;flex-wrap:wrap;border-right:0;border-bottom:1px solid var(--line);position:static;height:auto}nav .who,nav .brand{display:none}main{padding:1rem}}

/* API docs page */
.docs{display:grid;grid-template-columns:220px minmax(0,1fr);gap:2rem;max-width:1180px;margin:0 auto;padding:1.5rem}
.docs aside{position:sticky;top:1rem;align-self:start;max-height:calc(100vh - 2rem);overflow:auto}
.docs aside a{display:block;padding:.25rem .5rem;color:var(--ink);text-decoration:none;border-radius:6px;font-size:.9rem}
.docs aside a:hover{background:var(--accent-soft)}
.docs aside .grp{margin:.8rem .5rem .2rem;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.docs section{padding-top:1rem;margin-bottom:2rem;border-top:1px solid var(--line)}
.docs h1{font-size:1.8rem}.docs h2{font-size:1.35rem;margin-top:.4rem}.docs h3{margin-top:1.4rem;font-size:1.05rem}
.endpoint{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;margin:.5rem 0}
.verb{font-family:var(--mono);font-weight:700;font-size:.8rem;padding:.15rem .5rem;border-radius:5px;background:var(--accent);color:var(--accent-ink)}
.verb.get{background:#2563a8;color:#fff}.verb.del{background:var(--danger);color:#fff}.verb.patch{background:#8a5a00;color:#fff}
.docs pre{background:#14201b;color:#e6efe9;border-radius:8px;padding:.9rem 1rem;overflow-x:auto;margin:.5rem 0 1rem;position:relative;font-size:.83rem;line-height:1.5}
.docs pre code{font-size:inherit;color:inherit}
.docs :not(pre)>code{background:var(--accent-soft);padding:.05rem .35rem;border-radius:4px}
.copy{position:absolute;top:.4rem;right:.4rem;padding:.15rem .5rem;font-size:.75rem;background:#2b3b34;color:#e6efe9;border:0}
.tabs{display:flex;gap:.25rem;margin-top:.5rem}.tabs button{background:transparent;color:var(--muted);border:1px solid var(--line);border-bottom:0;border-radius:7px 7px 0 0;padding:.3rem .8rem;font-weight:600}
.tabs button[aria-selected=true]{background:#14201b;color:#e6efe9;border-color:#14201b}
.tabpanel pre{margin-top:0;border-top-left-radius:0}.tabpanel[hidden]{display:none}
.docs table td:first-child{white-space:nowrap}
@media(max-width:860px){.docs{grid-template-columns:1fr}.docs aside{position:static;max-height:none}}