:root{--bg:#0B0F14;--panel:#121923;--line:#223042;--ink:#E6EDF3;--mute:#8FA3B8;--acc:#4DA3FF;--ok:#3FB950;--warn:#D29922;--bad:#F85149}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--acc)}header{display:flex;align-items:center;gap:20px;padding:12px 24px;border-bottom:1px solid var(--line);background:var(--panel)}
header .brand{font-weight:700;letter-spacing:.04em}header nav{display:flex;gap:16px;flex:1}header nav a{color:var(--ink);text-decoration:none;opacity:.8}
header nav a[aria-current]{opacity:1;border-bottom:2px solid var(--acc)}main{max-width:1100px;margin:0 auto;padding:24px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:18px}
h1{font-size:24px;margin:0 0 12px}h2{font-size:18px;margin:0 0 10px}.mute{color:var(--mute)}
input,select,textarea,button{font:inherit;color:var(--ink);background:#0E141C;border:1px solid var(--line);border-radius:6px;padding:9px 11px}
input,select,textarea{width:100%}button{cursor:pointer;background:var(--acc);color:#04111f;border:0;font-weight:600}button[disabled]{opacity:.5;cursor:wait}
button.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}label{display:block;margin:10px 0 4px;color:var(--mute);font-size:13px}
table{width:100%;border-collapse:collapse}td,th{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--mute);font-weight:500;font-size:13px}
.pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;background:#223042}
.s-done{background:#173d24;color:#7ee2a0}.s-failed,.s-rejected,.s-blocked{background:#4a1d1d;color:#ffaba6}.s-checked{background:#173d24;color:#7ee2a0}.s-void{background:#223042;color:#8FA3B8}.s-queued,.s-uploading{background:#3a2f12;color:#f2cc60}.s-running,.s-finishing,.s-checking{background:#12304f;color:#9cd0ff}
.err{color:var(--bad);margin-top:8px;white-space:pre-wrap}.row{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.row>*{flex:1}
.meter{height:8px;background:#0E141C;border-radius:99px;overflow:hidden;margin-top:6px}.meter>i{display:block;height:100%;background:var(--acc)}
iframe{width:100%;height:560px;border:1px solid var(--line);border-radius:8px;background:#fff}
.chat{height:460px;overflow:auto;display:flex;flex-direction:column;gap:10px;padding:4px}.msg{max-width:85%;padding:10px 13px;border-radius:10px;white-space:pre-wrap}
.msg.user{align-self:flex-end;background:#12304f}.msg.coach{align-self:flex-start;background:#18212c;border:1px solid var(--line)}
.login{max-width:380px;margin:12vh auto}.kv{display:grid;grid-template-columns:max-content 1fr;gap:4px 16px}ul.tight{margin:4px 0;padding-left:20px}
.notice{border-left:3px solid var(--warn);padding:6px 12px;background:#1d1a10;margin:10px 0}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}.partcard.sel{border-color:var(--acc)}.partcard.off{opacity:.6}
.small{font-size:12px}details{margin:10px 0}summary{cursor:pointer;color:var(--mute)}h3{margin:6px 0}.notice.ill{border-left-color:#B8860B;background:#2a2410}

/* ---------- responsive (mobile-first fixes, 2026-10-12) ---------- */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
header{flex-wrap:wrap;row-gap:6px}header nav{overflow-x:auto;white-space:nowrap;scrollbar-width:none}
td{overflow-wrap:anywhere}
.row>*{flex:1 1 180px;min-width:0}input[type=file]{max-width:100%}
@media (max-width:640px){
  main{padding:12px}.card{padding:14px;margin-bottom:12px}h1{font-size:21px}
  header{padding:10px 12px;gap:10px}header .brand{order:1}header #logout{order:2;margin-left:auto;padding:6px 10px}
  header .mute{display:none}header nav{order:3;flex:1 0 100%;gap:18px}
  input,select,textarea{font-size:16px}               /* stops iOS zooming into fields */
  table.stack thead{display:none}table.stack tr{display:block;padding:10px 0;border-bottom:1px solid var(--line)}
  table.stack td{display:flex;justify-content:space-between;gap:12px;border:0;padding:3px 0;text-align:right}
  table.stack td::before{content:attr(data-l);color:var(--mute);text-align:left;flex:0 0 auto}
  table.stack td:last-child a{display:inline-block;padding:6px 0}
  iframe{height:380px}.grid2{grid-template-columns:1fr}
}
/* coach: header + controls on top, messages scroll, composer pinned to the bottom (also above the keyboard) */
body.coach-page{height:var(--vvh,100dvh);display:flex;flex-direction:column;overflow:hidden}
.coach-page header{flex:0 0 auto}
.coach-top{flex:0 0 auto;padding:10px 14px 6px;border-bottom:1px solid var(--line);background:var(--bg)}
.coach-row{display:flex;gap:8px;align-items:center}.coach-row select{flex:1;min-width:0}
.coach-meta{font-size:13px;margin:6px 2px 0}
.starters{display:flex;gap:8px;overflow-x:auto;padding:8px 0 2px;scrollbar-width:none}
.chip{flex:0 0 auto;background:#18212c;color:var(--ink);border:1px solid var(--line);border-radius:99px;padding:7px 13px;font-weight:500}
.coach-page .chat{flex:1 1 auto;height:auto;min-height:0;overflow-y:auto;padding:12px 14px;max-width:900px;width:100%;margin:0 auto;overscroll-behavior:contain}
.coach-page .msg{max-width:88%}.empty{margin:auto 0;text-align:center;padding:20px}
.composer{flex:0 0 auto;display:flex;gap:8px;align-items:center;padding:8px 10px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--panel)}
.composer input{flex:1;min-width:0;font-size:16px}
.iconbtn{flex:0 0 auto;background:#18212c;color:var(--ink);border:1px solid var(--line);width:42px;height:42px;padding:0;font-size:18px;border-radius:50%}
.iconbtn.on{background:var(--acc);border-color:var(--acc)}
@media (min-width:900px){.coach-top,.composer{padding-left:calc((100% - 900px)/2 + 14px);padding-right:calc((100% - 900px)/2 + 14px)}}
.row>.btnwrap{flex:0 0 auto}
@media (max-width:640px){.row>.btnwrap{flex:1 0 100%}.row>.btnwrap button{width:100%}}