:root{
    --bg:#0e1116; --panel:#161b22; --panel2:#1c2230; --line:#2a3140; --txt:#e6edf3;
    --dim:#9aa7b5; --accent:#4c8dff; --accent2:#9b5cff; --ok:#3fb950; --warn:#f0883e; --bad:#f85149;
    --chip:#243044; --radius:10px; --grad:linear-gradient(135deg,#4c8dff,#9b5cff);
  }
  @media (prefers-color-scheme:light){
    :root{--bg:#f4f6fa;--panel:#fff;--panel2:#f0f3f8;--line:#dfe4ec;--txt:#1a2230;
      --dim:#5c6b7a;--chip:#eaf0f8;}
  }
  .brandmark{background:linear-gradient(120deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
  *{box-sizing:border-box}
  body{margin:0;background:var(--bg);color:var(--txt);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
  header{display:flex;align-items:center;gap:14px;padding:13px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:5}
  header h1{font-size:16px;margin:0;font-weight:650}
  header .sub{color:var(--dim);font-size:12px}
  header .accounts{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
  .chip{background:var(--chip);border:1px solid var(--line);border-radius:20px;padding:3px 10px;font-size:12px;color:var(--dim)}
  .wrap{min-height:calc(100vh - 56px)}
  .main{padding:18px 22px;overflow:auto;max-width:1180px;margin:0 auto}
  .side h2,.main h2{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--dim);margin:0 0 10px}
  .plist{display:flex;flex-direction:column;gap:8px}
  .pcard{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:11px 13px;cursor:pointer;transition:border-color .15s,transform .1s ease,box-shadow .2s}
  .pcard:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,0,0,.16)}
  .pcard.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
  .pcard .n{font-weight:600}
  .pcard .m{color:var(--dim);font-size:12px;display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
  .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);margin-right:5px}
  .dot.off{background:var(--dim)}
  button{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:8px 13px;font-weight:600;cursor:pointer;font-size:13px;transition:transform .08s ease,box-shadow .2s,filter .2s}
  button:hover{transform:translateY(-1px);box-shadow:0 5px 16px rgba(76,141,255,.32);filter:brightness(1.05)}
  button:active{transform:translateY(0)}
  button.ghost{background:transparent;color:var(--txt);border:1px solid var(--line)}
  button.ghost:hover{border-color:var(--accent);box-shadow:none;filter:none}
  button.sm{padding:5px 9px;font-size:12px}
  button.sm:hover{box-shadow:none}
  button:disabled{opacity:.5;cursor:default;transform:none;box-shadow:none;filter:none}
  .row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
  .grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  label{display:block;font-size:12px;color:var(--dim);margin:0 0 3px}
  input,select,textarea{width:100%;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:9px;padding:8px 10px;font:inherit;transition:border-color .15s,box-shadow .15s}
  input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(76,141,255,.16)}
  input::placeholder,textarea::placeholder{font-style:italic;color:var(--dim);opacity:.55}   /* placeholders read as light hints, not values */
  textarea{min-height:60px;resize:vertical;font-family:ui-monospace,Menlo,monospace;font-size:12px}
  fieldset{border:1px solid var(--line);border-radius:var(--radius);margin:0 0 14px;padding:12px 14px}
  legend{font-size:12px;color:var(--dim);text-transform:uppercase;letter-spacing:.05em;padding:0 6px}
  fieldset.coll>legend{cursor:pointer;user-select:none}
  fieldset.coll>legend::before{content:"▾ ";font-size:9px}
  fieldset.coll.closed>legend::before{content:"▸ "}
  fieldset.coll.closed{padding-bottom:2px}
  fieldset.coll.closed>*:not(legend){display:none}
  .actions{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
  pre#out{background:#0a0d12;color:#c8d3de;border:1px solid var(--line);border-radius:var(--radius);padding:12px;max-height:340px;overflow:auto;white-space:pre-wrap;font-family:ui-monospace,Menlo,monospace;font-size:12px;margin-top:8px}
  .tabs{display:flex;gap:2px;margin-bottom:16px;border-bottom:1px solid var(--line)}
  .tab{padding:9px 13px;cursor:pointer;color:var(--dim);border-bottom:2px solid transparent;font-weight:600;font-size:13px;transition:color .15s,border-color .15s;margin-bottom:-1px}
  .tab:hover{color:var(--txt)}
  .tab.active{color:var(--txt);border-bottom-color:var(--accent)}
  .hide{display:none!important}   /* must beat inline display:flex on the login overlay */
  .kv{display:grid;grid-template-columns:1fr auto;gap:6px;align-items:center}
  .muted{color:var(--dim);font-size:12px}
  a{color:var(--accent)}
  .docs h3{margin:16px 0 6px;font-size:14px} .docs code{background:var(--chip);padding:1px 5px;border-radius:5px}
  .docs pre{background:var(--panel2);padding:10px;border-radius:8px;overflow:auto;font-size:12px}
  .pill{font-size:11px;padding:2px 7px;border-radius:20px;background:var(--chip);color:var(--dim);border:1px solid var(--line)}
  /* wide content never breaks the layout — it scrolls inside its own box */
  .scrollx{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
  @media(max-width:760px){
    .wrap{grid-template-columns:1fr}
    .side{border-right:none;border-bottom:1px solid var(--line)}
    .grid{grid-template-columns:1fr}
    .main{padding:12px}
    /* nav + tab strips: horizontal scroll, hidden scrollbar, works with touch AND mouse-drag */
    .tabs{overflow-x:auto;flex-wrap:nowrap;white-space:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none}
    .tabs::-webkit-scrollbar{height:0;display:none}
    #mainTabs{position:sticky;top:0;background:var(--bg);z-index:4;padding-top:2px}
    .tab{padding:11px 13px;font-size:13px}        /* bigger tap targets */
    /* header stacks; account chips wrap to their own row */
    header{flex-wrap:wrap;gap:8px;padding:10px 12px;position:sticky;top:0}
    header h1{font-size:15px}
    header .accounts{width:100%;margin-left:0;justify-content:flex-start;margin-top:2px}
    /* project workspace sub-nav scrolls horizontally too */
    #projNav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
    #projNav::-webkit-scrollbar{display:none}
    #projNav .tabs{border-bottom:0}
    /* comfortable controls + breathing room */
    button{padding:10px 14px}
    button.sm{padding:8px 11px}
    fieldset{padding:10px 11px}
    input,select,textarea{padding:10px 11px;font-size:16px}   /* 16px = no iOS zoom-on-focus */
    /* long panels shrink so they don't eat the whole screen */
    #bigTerm [id^="termOut"],#fbThread,pre#out{max-height:50vh}
    #sessGrid{grid-template-columns:1fr!important}
    /* any stray table / preformatted block scrolls rather than overflowing */
    table,pre{display:block;overflow-x:auto;max-width:100%}
    #loginCard,#wizard>div{width:100%!important}
  }