[hidden]{display:none!important}
img,svg{max-width:100%}
/* Layout: sticky tab bar over a single working column; tables scroll in their own frames */
:root{
  --bg:#F3F5F7; --surface:#FFFFFF; --ink:#151A21; --muted:#5E6876; --line:#DCE1E7; --soft:#EBEFF3;
  --accent:#0B6E5C; --accent-ink:#FFFFFF; --accent-soft:#DDF0EB;
  --up:#B42318; --down:#0B6E5C; --warn-bg:#FFF4DB; --warn:#8A5A00;
  --f-ui:"Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono:"JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0F1317; --surface:#171C22; --ink:#E7EBF0; --muted:#97A1AE; --line:#2A323C; --soft:#1F262E;
  --accent:#3CC4A6; --accent-ink:#06261F; --accent-soft:#143A32;
  --up:#F2867A; --down:#3CC4A6; --warn-bg:#3A2E10; --warn:#F2C766; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0F1317; --surface:#171C22; --ink:#E7EBF0; --muted:#97A1AE; --line:#2A323C; --soft:#1F262E;
  --accent:#3CC4A6; --accent-ink:#06261F; --accent-soft:#143A32;
  --up:#F2867A; --down:#3CC4A6; --warn-bg:#3A2E10; --warn:#F2C766; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-ui);font-size:14px;line-height:1.45}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-block:10px}
.brand{font-weight:700;font-size:16px;letter-spacing:-.01em;margin-right:auto}
.brand small{display:block;font-weight:500;font-size:12px;color:var(--muted)}
nav.tabs{display:flex;gap:4px;flex-wrap:wrap}
nav.tabs button{font:inherit;font-weight:600;border:0;background:transparent;color:var(--muted);padding:8px 12px;border-radius:8px;cursor:pointer}
nav.tabs button[aria-selected="true"]{background:var(--accent-soft);color:var(--ink)}
.status{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}
.dot.ok{background:var(--accent)}
main{padding-block:20px 48px}
section.view{display:flex;flex-direction:column;gap:16px}
h2{font-size:20px;margin:0;letter-spacing:-.01em;text-wrap:balance}
h3{font-size:15px;margin:0}
.muted{color:var(--muted)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
.grid2{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:16px;align-items:start}
@media (max-width:860px){.grid2{grid-template-columns:minmax(0,1fr)}}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:end}
label.f{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;min-width:0;flex:1 1 140px}
input,select,textarea{font:inherit;font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:7px 9px;min-width:0;width:100%}
textarea{font-family:var(--f-mono);font-size:12.5px;line-height:1.5;resize:vertical}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.btn{font:inherit;font-weight:600;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:8px 14px;border-radius:8px;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--soft)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.07)}
.btn.small{padding:5px 10px;font-size:13px}
.btn.danger{color:var(--up)}
.btn:disabled{opacity:.5;cursor:default}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;vertical-align:middle}
th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--soft);font-weight:700;position:sticky;top:0}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
tbody tr.click{cursor:pointer}
tbody tr.click:hover td{background:var(--soft)}
tr.flag td{background:var(--warn-bg)}
.edit td{padding:4px 5px}
.edit input,.edit select{padding:4px 6px;font-size:13px;border-radius:5px}
.edit input.n{width:78px;font-family:var(--f-mono);text-align:right}
.edit input.c{width:96px}
.src{max-width:260px;overflow:hidden;text-overflow:ellipsis;color:var(--muted);font-family:var(--f-mono);font-size:11.5px}
.pill{display:inline-block;font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px;background:var(--soft);color:var(--muted);letter-spacing:.02em}
.pill.act{background:var(--warn-bg);color:var(--warn)}
.pill.rg{background:var(--accent-soft);color:var(--ink)}
.delta.up{color:var(--up)} .delta.down{color:var(--down)}
.block-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.block-head .grow{flex:1 1 200px}
.out{min-height:120px}
.kpis{display:flex;gap:24px;flex-wrap:wrap}
.kpi b{display:block;font-size:22px;font-family:var(--f-mono);font-variant-numeric:tabular-nums;font-weight:600}
.kpi span{font-size:12px;color:var(--muted)}
.empty{padding:28px 16px;text-align:center;color:var(--muted);display:flex;flex-direction:column;gap:10px;align-items:center}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:8px;font-weight:600;z-index:20}
details summary{cursor:pointer;font-weight:600}
.chart svg{width:100%;height:auto;display:block}
.hist-day{display:flex;flex-direction:column;gap:8px}
.hist-item{display:flex;gap:12px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:8px}
.hist-item .grow{flex:1 1 200px;min-width:0}
pre.raw{white-space:pre-wrap;font-family:var(--f-mono);font-size:12px;background:var(--soft);padding:10px;border-radius:6px;margin:6px 0 0;max-height:260px;overflow:auto}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
/* --- server version additions --- */
.gate{max-width:440px;margin:12vh auto 0;text-align:center;align-items:center}
.gate h2{font-size:22px}
.gate p{margin:0;color:var(--muted)}
.who{font-size:12px;color:var(--muted)}
.who button{font:inherit;border:0;background:none;color:var(--muted);text-decoration:underline;cursor:pointer;padding:0}
.pill.ok{background:var(--accent-soft);color:var(--ink)}
.pill.bad{background:var(--soft);color:var(--up)}
.user-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:10px}
.user-row .grow{flex:1 1 200px;min-width:0}
/* --- teaching --- */
.chip{font:inherit;font-size:12px;font-family:var(--f-mono);border:1px dashed var(--warn);background:var(--warn-bg);color:var(--warn);border-radius:6px;padding:1px 7px;cursor:pointer;margin:0 2px}
.chip:hover{border-style:solid}
.unparsed{display:flex;flex-direction:column;gap:6px;border-top:1px dashed var(--line);padding-top:8px}
.unparsed .ln{font-family:var(--f-mono);font-size:12.5px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.unparsed .ln code{color:var(--muted)}
.teach{border:1px solid var(--warn);background:var(--warn-bg);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:10px}
.teach .word{font-family:var(--f-mono);font-weight:600}
.edit input.m{width:110px}.edit input.g{width:56px}
.dict-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);padding-block:7px}
.dict-row .a{font-family:var(--f-mono);font-weight:600;min-width:140px}
.dict-row .grow{flex:1 1 160px;min-width:0}
.builtin{display:flex;flex-wrap:wrap;gap:6px}