/* ══════════════════════════════════════════════════════════════
   LeakWorm — design system
   tokens → primitives → components → layout → responsive
   ══════════════════════════════════════════════════════════════ */

:root{
  --bg:#08090b;
  --panel:#0f1115;
  --panel-hi:#14171d;
  --panel-2:#191d24;
  --line:#1e222a;
  --line-hi:#2b313c;

  --text:#e8ebf0;
  --text-2:#9aa3b2;
  --text-3:#6b7280;
  --text-4:#4b525e;

  --accent:#4f7cff;
  --accent-hi:#6b91ff;
  --accent-dim:rgba(79,124,255,.14);
  --accent-line:rgba(79,124,255,.42);
  --live:#00d3a7;
  --live-dim:rgba(0,211,167,.12);
  --danger:#f2555a;
  --danger-dim:rgba(242,85,90,.12);
  --warn:#e8a13a;

  --r-xs:6px; --r-sm:8px; --r-md:10px; --r-lg:13px; --r-xl:18px; --r-full:999px;

  --sh-1:0 1px 2px rgba(0,0,0,.4);
  --sh-2:0 4px 14px rgba(0,0,0,.4);
  --sh-3:0 18px 48px rgba(0,0,0,.55);
  --sh-pop:0 24px 64px rgba(0,0,0,.62),0 0 0 1px var(--line-hi);

  --ease:cubic-bezier(.22,.68,.32,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --fast:120ms var(--ease);
  --med:200ms var(--ease);

  --rail:266px;
}

html[data-theme="light"]{
  --bg:#f6f7f9;
  --panel:#ffffff;
  --panel-hi:#fbfcfd;
  --panel-2:#f1f3f7;
  --line:#e2e6ee;
  --line-hi:#ccd4e0;

  --text:#0e1218;
  --text-2:#58616f;
  --text-3:#79828f;
  --text-4:#9aa3b2;

  --accent:#2f5fe0;
  --accent-hi:#1d49cc;
  --accent-dim:rgba(47,95,224,.09);
  --accent-line:rgba(47,95,224,.34);
  --live:#00886d;
  --live-dim:rgba(0,136,109,.1);
  --danger:#d33a3f;
  --danger-dim:rgba(211,58,63,.09);
  --warn:#ad6f16;

  --sh-1:0 1px 2px rgba(18,28,48,.07);
  --sh-2:0 4px 14px rgba(18,28,48,.09);
  --sh-3:0 18px 44px rgba(18,28,48,.15);
  --sh-pop:0 24px 60px rgba(18,28,48,.2),0 0 0 1px var(--line-hi);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:13px;line-height:1.5;color:var(--text);background:var(--bg);
  overflow:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-variant-numeric:tabular-nums;
  transition:background var(--med),color var(--med);
}
::selection{background:var(--accent-dim);color:var(--text)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;-webkit-tap-highlight-color:transparent}
input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent);text-decoration:none}
code{font-family:"Cascadia Code","JetBrains Mono",Consolas,ui-monospace,monospace}
/* class-based display rules must never beat the hidden attribute */
[hidden]{display:none!important}

/* ── icons ─────────────────────────────────────────────────── */
.ic{
  width:16px;height:16px;flex:none;display:block;stroke:currentColor;fill:none;
  stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
}
.ic-13{width:13px;height:13px}
.ic-14{width:14px;height:14px}
.ic-18{width:18px;height:18px}

/* ── shell ─────────────────────────────────────────────────── */
.app{display:flex;height:100vh;position:relative;isolation:isolate}
.app::before{
  content:'';position:absolute;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(760px 420px at 12% -8%,rgba(79,124,255,.09),transparent 62%),
    radial-gradient(680px 420px at 100% 0%,rgba(0,211,167,.05),transparent 58%);
}
html[data-theme="light"] .app::before{opacity:.7}

/* ══════════════════════════════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════════════════════════════ */
.sidebar{
  width:var(--rail);flex:none;display:flex;flex-direction:column;position:relative;z-index:20;
  background:var(--panel);border-right:1px solid var(--line);
  transition:width var(--med),transform var(--med);
}
.app.rail-off .sidebar{width:0;border-right-color:transparent;overflow:hidden}

.rail-head{padding:13px 12px 10px;display:flex;flex-direction:column;gap:10px;flex:none}
.brand{display:flex;align-items:center;gap:10px;padding:0 2px;user-select:none}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,#4f7cff,#7b5cff 58%,#00d3a7);
  box-shadow:0 2px 12px rgba(79,124,255,.34),inset 0 1px 0 rgba(255,255,255,.24);
  font-size:23px;line-height:1;transform:rotate(-8deg);
  transition:transform var(--med) var(--ease-out),box-shadow var(--med);
}
.brand:hover .brand-mark{transform:rotate(6deg) scale(1.06);box-shadow:0 4px 18px rgba(79,124,255,.5),inset 0 1px 0 rgba(255,255,255,.3)}
.brand-mark.lg{width:60px;height:60px;font-size:36px;border-radius:18px;margin:0 auto 4px}
.brand-text{display:flex;flex-direction:column;line-height:1.22;min-width:0}
.brand-text b{font-size:14px;font-weight:700;letter-spacing:-.2px}
.brand-text span{font-size:9px;font-weight:650;letter-spacing:.85px;text-transform:uppercase;color:var(--text-4)}

/* sidebar actions: New Chat on top */
.rail-actions{
  padding:2px 12px 12px;display:flex;flex-direction:column;gap:8px;flex:none;
  border-bottom:1px solid var(--line);
}
.newchat{
  display:flex;align-items:center;justify-content:center;gap:7px;height:37px;width:100%;
  border-radius:var(--r-md);border:1px solid transparent;cursor:pointer;color:#fff;
  background:linear-gradient(150deg,#4f7cff,#7b5cff 58%,#00d3a7);
  box-shadow:0 4px 14px rgba(79,124,255,.28);
  font-size:13px;font-weight:650;
  transition:transform var(--fast),box-shadow var(--med),filter var(--fast);
}
.newchat:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(79,124,255,.42);filter:brightness(1.06)}
.newchat:active{transform:scale(.97)}
/* theme / settings / owner access buttons, bottom of the sidebar foot */
.rail-foot .rail-sub{margin-top:3px;border-top:1px solid var(--line);padding-top:9px}
.rail-sub{display:flex;align-items:center;gap:4px}
.rail-sub .ico{width:34px;height:32px;flex:1}
.rail-sub .ico.shield{color:var(--text-3)}
.rail-sub .ico.shield:hover{background:var(--accent-dim);color:var(--accent-hi)}

/* search */
.searchbox{position:relative;display:flex;align-items:center}
.searchbox .ic{position:absolute;left:9px;color:var(--text-4);pointer-events:none}
.searchbox input{
  width:100%;height:31px;padding:0 10px 0 29px;background:var(--panel-2);
  border:1px solid var(--line);border-radius:var(--r-md);font-size:12.5px;outline:none;
  transition:border-color var(--fast),box-shadow var(--fast),background var(--fast);
}
.searchbox input::placeholder{color:var(--text-4)}
.searchbox input:hover{border-color:var(--line-hi)}
.searchbox input:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-dim);background:var(--panel-hi)}

/* chat list */
.rail-scroll{flex:1;overflow-y:auto;overflow-x:hidden;padding:0 8px 10px;min-height:0}
.rail-cap{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 6px 7px;font-size:9px;font-weight:750;letter-spacing:.9px;
  text-transform:uppercase;color:var(--text-4);user-select:none;position:sticky;top:0;
  background:linear-gradient(to bottom,var(--panel) 68%,transparent);z-index:2;
}
.rail-cap span:last-child{font-variant-numeric:tabular-nums;letter-spacing:.3px}
.chatlist{display:flex;flex-direction:column;gap:1px}

.chatitem{
  position:relative;display:flex;align-items:center;border-radius:var(--r-md);
  cursor:pointer;color:var(--text-2);isolation:isolate;
  transition:background var(--fast),color var(--fast);
}
.chatitem::before{
  content:'';position:absolute;inset:0;border-radius:inherit;z-index:-1;opacity:0;
  background:radial-gradient(160px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.06),transparent 70%);
  transition:opacity var(--med);
}
html[data-theme="light"] .chatitem::before{background:radial-gradient(160px circle at var(--mx,50%) var(--my,50%),rgba(20,30,60,.055),transparent 70%)}
.chatitem:hover{background:var(--panel-2);color:var(--text)}
.chatitem:hover::before{opacity:1}
.chatitem::after{
  content:'';position:absolute;left:0;top:50%;width:2px;height:0;border-radius:var(--r-full);
  background:var(--accent);transform:translateY(-50%);
  transition:height var(--med) var(--ease-out);
}
.chatitem:hover::after{height:32%}
.chatitem.active{background:var(--accent-dim);color:var(--text)}
.chatitem.active::after{height:50%}
.chatitem:focus-visible{outline:none;box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--accent-line)}
.chatitem.active .ci-title{font-weight:600}
.ci-body{flex:1;min-width:0;padding:7px 4px 7px 10px;display:flex;flex-direction:column;gap:1px}
.ci-title{font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.35}
.ci-sub{font-size:10.5px;color:var(--text-4);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.35}
.chatitem.active .ci-sub{color:var(--text-3)}
.ci-act{display:flex;gap:1px;padding-right:5px;opacity:0;transform:translateX(5px);transition:opacity var(--fast),transform var(--fast)}
.chatitem:hover .ci-act,.chatitem.active .ci-act{opacity:1;transform:none}
.rail-empty{padding:26px 14px;text-align:center;font-size:11.5px;color:var(--text-4);line-height:1.65}

/* sidebar foot */
.rail-foot{
  border-top:1px solid var(--line);padding:11px 12px;display:flex;flex-direction:column;
  gap:9px;background:var(--panel);flex:none;
}
.foot-row{display:flex;gap:6px}
.foot-row .btn{flex:1}
/* signed-in identity + daily prompt budget, above the status dot */
.pname{display:flex;align-items:center;gap:8px;min-width:0}
.pname .avatar{
  width:23px;height:23px;flex:none;border-radius:50%;display:grid;place-items:center;
  background:var(--panel-2);border:1px solid var(--line);
  font-size:11px;font-weight:700;color:var(--accent);
}
.pname .pdet{font-size:10.5px;font-weight:600;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.quota{font-size:10.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.quota.out{color:var(--danger);font-weight:600}
/* status dot - never names the engine */
.stateline{display:flex;align-items:center;gap:7px;font-size:10.5px;color:var(--text-4);padding:2px;cursor:default}
.stateline .kdot{width:5px;height:5px;border-radius:50%;background:var(--text-4);flex:none;transition:all var(--fast)}
.stateline.ok{color:var(--text-3)}
.stateline.ok .kdot{background:var(--live);box-shadow:0 0 0 3px var(--live-dim)}
.stateline.bad{color:var(--danger)}
.stateline.bad .kdot{background:var(--danger);box-shadow:0 0 0 3px var(--danger-dim)}

/* sidebar scrim for narrow screens */
.rail-scrim{
  position:fixed;inset:0;background:rgba(4,5,7,.6);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:opacity var(--med);z-index:60;display:none;
}
/* ══════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════ */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:32px;padding:0 12px;border-radius:var(--r-md);overflow:hidden;
  background:var(--panel-2);border:1px solid var(--line);
  font-size:12.5px;font-weight:550;color:var(--text-2);white-space:nowrap;
  transition:background var(--fast),border-color var(--fast),color var(--fast),
             transform var(--fast),box-shadow var(--fast),opacity var(--fast);
}
.btn:hover{background:var(--panel-hi);border-color:var(--line-hi);color:var(--text);transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.985)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--accent-line)}
.btn[disabled]{opacity:.4;pointer-events:none}
.btn-icon{width:32px;padding:0}
.btn-sm{height:26px;padding:0 9px;font-size:11.5px;border-radius:var(--r-sm);gap:5px}
.btn-sm.btn-icon{width:26px}
.btn-block{width:100%}
.btn-primary{
  background:var(--accent);border-color:transparent;color:#fff;font-weight:600;
  box-shadow:0 1px 2px rgba(0,0,0,.28),0 4px 14px rgba(79,124,255,.24);
}
.btn-primary:hover{background:var(--accent-hi);border-color:transparent;color:#fff;box-shadow:0 6px 22px rgba(79,124,255,.4)}
.btn-primary::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(100deg,transparent 22%,rgba(255,255,255,.26) 48%,transparent 72%);
  transform:translateX(-130%);
}
.btn-primary:hover::after{animation:sheen .75s var(--ease-out)}
@keyframes sheen{to{transform:translateX(130%)}}
.btn-danger{background:transparent;border-color:transparent;color:var(--danger)}
.btn-danger:hover{background:var(--danger-dim);border-color:transparent;color:var(--danger)}
.btn.is-on{background:var(--accent-dim);border-color:var(--accent-line);color:var(--accent-hi)}

.ico{
  position:relative;width:30px;height:30px;flex:none;border-radius:var(--r-sm);
  display:grid;place-items:center;color:var(--text-3);
  transition:background var(--fast),color var(--fast),transform var(--fast);
}
.ico:hover{background:var(--panel-2);color:var(--text)}
.ico:active{transform:scale(.9)}
.ico:focus-visible{outline:none;box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--accent-line)}
.ico.is-on{background:var(--accent-dim);color:var(--accent-hi)}
.ico.xs{width:24px;height:24px;border-radius:var(--r-xs)}
.ico.danger:hover{background:var(--danger-dim);color:var(--danger)}
.ico.shield{color:var(--text-3)}
.ico.shield:hover{background:var(--accent-dim);color:var(--accent-hi)}
/* top-right control cluster */
.cluster{
  display:flex;align-items:center;gap:3px;padding:3px;border-radius:var(--r-lg);
  background:var(--panel-2);border:1px solid var(--line);
  transition:border-color var(--med),box-shadow var(--med),background var(--med);
}
.cluster:hover{border-color:var(--line-hi);box-shadow:var(--sh-2)}
.cluster .ico{width:29px;height:29px}
.cluster .ico.new{width:auto;padding:0 10px 0 7px;gap:5px;grid-auto-flow:column}
.cluster .ico.new b{font-size:12px;font-weight:600;color:var(--text-2);transition:color var(--fast)}
.cluster .ico.new:hover{background:var(--accent);color:#fff}
.cluster .ico.new:hover b{color:#fff}
/* image mode */
.ico.imgmode.on{background:var(--accent);color:#fff;box-shadow:0 2px 10px rgba(79,124,255,.42)}
html[data-theme="light"] .ico.imgmode.on{box-shadow:0 2px 10px rgba(47,95,224,.32)}
.composer.img-on{
  border-color:var(--accent-line);
  box-shadow:0 0 0 3px var(--accent-dim),0 0 34px rgba(79,124,255,.22),var(--sh-3);
  background:linear-gradient(180deg,var(--panel-hi),var(--panel));
}
.composer.img-on::before{opacity:1}
.composer.img-on .ic,#composer .imgmode.on{border-radius:var(--r-md)}

/* tooltips: above by default, below when asked */
[data-tip]{position:relative}
[data-tip]:hover::after{
  content:attr(data-tip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);
  background:var(--panel-hi);border:1px solid var(--line-hi);color:var(--text);
  padding:4px 8px;border-radius:var(--r-sm);font-size:10.5px;font-weight:550;white-space:nowrap;
  box-shadow:var(--sh-2);pointer-events:none;z-index:400;
  animation:tipIn 140ms var(--ease-out);
}
[data-tip="tip-b"]:hover::after,[data-tip^="tip-b "]:hover::after{bottom:auto;top:calc(100% + 8px);animation-name:tipInDown}
[data-tip="tip-r"]:hover::after,[data-tip^="tip-r "]:hover::after{bottom:auto;left:calc(100% + 8px);top:50%;transform:translateY(-50%);animation-name:tipInRight}
[data-tip="tip-r"]:hover::after,[data-tip^="tip-r "]:hover::after{left:calc(100% + 8px)}
@keyframes tipIn{from{opacity:0;transform:translateX(-50%) translateY(4px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
@keyframes tipInDown{from{opacity:0;transform:translateX(-50%) translateY(-4px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
@keyframes tipInRight{from{opacity:0;transform:translateX(-4px)}to{opacity:1;transform:translateX(0)}}

/* ══════════════════════════════════════════════════════════════
   SELECT (custom dropdown)
   ══════════════════════════════════════════════════════════════ */
.sel{position:relative;min-width:0}
.sel-trigger{
  width:100%;display:flex;align-items:center;gap:8px;height:32px;padding:0 7px 0 9px;
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-md);
  font-size:12.5px;color:var(--text);text-align:left;
  transition:background var(--fast),border-color var(--fast),box-shadow var(--fast);
}
.sel-trigger:hover{background:var(--panel-hi);border-color:var(--line-hi)}
.sel-trigger[aria-expanded="true"]{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-dim);background:var(--panel-hi)}
.sel-trigger:focus-visible{outline:none;border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-dim)}
.sel-lead{color:var(--text-4);display:grid;place-items:center;flex:none}
.sel-trigger[aria-expanded="true"] .sel-lead{color:var(--accent)}
.sel-value{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.sel-value .sub{color:var(--text-4);font-weight:400;margin-left:5px}
.sel-caret{color:var(--text-4);flex:none;display:grid;place-items:center;transition:transform var(--med),color var(--med)}
.sel-trigger[aria-expanded="true"] .sel-caret{transform:rotate(180deg);color:var(--accent)}
.sel-sm .sel-trigger{height:29px;font-size:12px;padding-left:8px;gap:6px}
.sel-sm .sel-caret{display:none}

.sel-menu{
  position:absolute;z-index:400;min-width:100%;max-height:330px;
  background:var(--panel-hi);border:1px solid var(--line-hi);border-radius:var(--r-lg);
  box-shadow:var(--sh-pop);padding:5px;display:none;flex-direction:column;
  animation:popIn 150ms var(--ease-out);transform-origin:top left;
}
.sel-menu.up{transform-origin:bottom left}
.sel-menu.open{display:flex}
@keyframes popIn{from{opacity:0;transform:scale(.97) translateY(-5px)}to{opacity:1;transform:none}}

.sel-search{position:relative;padding:3px 3px 6px;flex:none}
.sel-search .ic{position:absolute;left:12px;top:50%;transform:translateY(-22%);color:var(--text-4);pointer-events:none}
.sel-search input{
  width:100%;height:30px;padding:0 9px 0 30px;background:var(--panel-2);
  border:1px solid var(--line);border-radius:var(--r-sm);font-size:12.5px;outline:none;
  transition:border-color var(--fast),box-shadow var(--fast);
}
.sel-search input::placeholder{color:var(--text-4)}
.sel-search input:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-dim)}
.sel-list{overflow-y:auto;overscroll-behavior:contain;padding:1px;min-height:0}
.sel-group{
  display:flex;align-items:center;gap:8px;padding:9px 8px 5px;
  font-size:9px;font-weight:750;letter-spacing:.85px;text-transform:uppercase;color:var(--text-4);
}
.sel-group::after{content:'';flex:1;height:1px;background:var(--line)}

.sel-opt{
  position:relative;display:flex;align-items:center;gap:9px;padding:6px 8px;
  border-radius:var(--r-sm);font-size:12.5px;color:var(--text-2);cursor:pointer;
  transition:background var(--fast),color var(--fast);
}
.sel-opt .ic{color:var(--text-4);flex:none;transition:color var(--fast)}
.sel-opt .txt{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.32}
.sel-opt .txt b{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sel-opt .txt span{font-size:10px;color:var(--text-4);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sel-opt .tag{
  margin-left:auto;font-size:8.5px;font-weight:750;letter-spacing:.5px;text-transform:uppercase;
  padding:2px 6px;border-radius:var(--r-full);border:1px solid var(--line);color:var(--text-4);flex:none;
}
.sel-opt .tag.key{border-color:rgba(242,85,90,.35);color:var(--danger);background:var(--danger-dim)}
.sel-opt .tick{margin-left:auto;color:var(--accent);opacity:0;flex:none;display:grid;place-items:center}
.sel-opt:hover{background:var(--panel-2);color:var(--text)}
.sel-opt:hover .ic{color:var(--text-3)}
.sel-opt[data-active="1"]{background:var(--panel-2);color:var(--text)}
.sel-opt[data-active="1"] .ic{color:var(--accent-hi)}
.sel-opt[data-active="1"]::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:17px;border-radius:var(--r-full);background:var(--accent);
}
.sel-opt[aria-selected="true"]{color:var(--text)}
.sel-opt[aria-selected="true"] .ic{color:var(--accent)}
.sel-opt[aria-selected="true"] .tick{opacity:1}
.sel-empty{padding:18px 12px;text-align:center;font-size:12px;color:var(--text-4);line-height:1.6}
.sel-foot{
  display:flex;gap:11px;border-top:1px solid var(--line);
  margin:4px -5px -5px;padding:7px 11px;font-size:9.5px;color:var(--text-4);flex:none;
}
.sel-foot kbd{
  font-family:inherit;background:var(--panel-2);border:1px solid var(--line);
  border-radius:4px;padding:1px 4px;font-size:9px;font-weight:600;
}

/* ══════════════════════════════════════════════════════════════
   TOPBAR
   ══════════════════════════════════════════════════════════════ */
.main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative;z-index:10}
.topbar{
  flex:none;display:flex;align-items:center;gap:9px;padding:9px 14px;min-height:51px;
  border-bottom:1px solid var(--line);z-index:15;
  background:color-mix(in srgb,var(--panel) 76%,transparent);
  backdrop-filter:blur(18px) saturate(1.5);-webkit-backdrop-filter:blur(18px) saturate(1.5);
}
.tb-title{flex:1;min-width:0;display:flex;align-items:center}
.tb-title input{
  width:100%;max-width:400px;background:transparent;border:1px solid transparent;
  border-radius:var(--r-sm);padding:5px 8px;font-size:13.5px;font-weight:600;
  letter-spacing:-.15px;outline:none;color:var(--text);
  transition:background var(--fast),border-color var(--fast),box-shadow var(--fast);
}
.tb-title input::placeholder{color:var(--text-4);font-weight:500}
.tb-title input:hover{background:var(--panel-2)}
.tb-title input:focus{background:var(--panel-2);border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-dim)}

.tb-sep{width:1px;height:18px;background:var(--line);flex:none}
.tb-spacer{flex:1}

/* ══════════════════════════════════════════════════════════════
   STREAM / MESSAGES
   ══════════════════════════════════════════════════════════════ */
.stream{flex:1;overflow-y:auto;overflow-x:hidden;position:relative;min-height:0}
.thread{max-width:820px;margin:0 auto;padding:28px 24px 22px;display:flex;flex-direction:column;gap:26px}

.msg{display:flex;gap:13px;animation:msgIn 280ms var(--ease-out)}
@keyframes msgIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
.msg-av{
  width:28px;height:28px;flex:none;border-radius:9px;display:grid;place-items:center;
  background:var(--panel-2);border:1px solid var(--line);color:var(--text-3);
  box-shadow:var(--sh-1);user-select:none;
}
.msg-av .ic{width:14px;height:14px}
/* assistant avatar is the worm itself */
.msg-av .worm{font-size:16px;line-height:1;display:block;filter:saturate(1.1)}
.msg.user .msg-av{
  background:linear-gradient(150deg,#4f7cff,#7b5cff);border-color:transparent;color:#fff;
  box-shadow:0 2px 10px rgba(79,124,255,.3);
}
.msg-main{flex:1;min-width:0}
.msg-head{display:flex;align-items:center;gap:9px;margin-bottom:6px;min-height:17px}
.msg-who{font-size:12px;font-weight:650;letter-spacing:-.1px}
.msg-meta{
  display:flex;align-items:center;gap:7px;font-size:10.5px;color:var(--text-4);
  opacity:0;transform:translateX(-4px);transition:all var(--fast);
}
.msg:hover .msg-meta{opacity:1;transform:none}
.msg-dot{width:2.5px;height:2.5px;border-radius:50%;background:var(--text-4);flex:none}

.msg-body{font-size:14.5px;line-height:1.72;overflow-wrap:break-word;color:var(--text)}
.msg.user .msg-body{white-space:pre-wrap}
.msg-body>:first-child{margin-top:0}
.msg-body>:last-child{margin-bottom:0}
.msg-body p{margin:.62em 0}
.msg-body h1,.msg-body h2{font-size:1.2em;font-weight:680;letter-spacing:-.3px;margin:1.5em 0 .5em;line-height:1.3}
.msg-body h3{font-size:1.05em;font-weight:650;margin:1.35em 0 .45em;line-height:1.35}
.msg-body h4,.msg-body h5,.msg-body h6{font-size:1em;font-weight:650;margin:1.2em 0 .4em;color:var(--text-2)}
.msg-body ul,.msg-body ol{margin:.6em 0;padding-left:1.4em}
.msg-body li{margin:.28em 0}
.msg-body li::marker{color:var(--accent);font-weight:600}
.msg-body a{
  color:var(--accent);text-decoration:underline;text-underline-offset:2.5px;
  text-decoration-thickness:1px;text-decoration-color:rgba(79,124,255,.45);
  transition:color var(--fast),text-decoration-color var(--fast);
}
.msg-body a:hover{color:var(--accent-hi);text-decoration-color:var(--accent-hi)}
.msg-body strong{font-weight:670;color:#fff}
html[data-theme="light"] .msg-body strong{color:var(--text)}
.msg-body code{
  font-size:.855em;background:var(--panel-2);border:1px solid var(--line);
  border-radius:var(--r-xs);padding:.12em .36em;
}
.msg-body pre{
  position:relative;margin:.85em 0;background:#070910;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
}
html[data-theme="light"] .msg-body pre{background:#0a0d14;border-color:#242a35}
.msg-body pre .lang{
  position:absolute;top:0;left:0;right:0;height:29px;display:flex;align-items:center;
  gap:8px;padding:0 12px;background:rgba(255,255,255,.022);border-bottom:1px solid var(--line);
  font-size:9px;font-weight:750;letter-spacing:.85px;text-transform:uppercase;color:var(--text-4);
}
.msg-body pre .lang::after{content:'';flex:1}
.msg-body pre .copy{
  position:absolute;top:4.5px;right:6px;height:20px;padding:0 7px;border-radius:var(--r-xs);
  display:inline-flex;align-items:center;gap:4px;background:var(--panel-2);
  border:1px solid var(--line);color:var(--text-3);font-size:10px;font-weight:600;
  opacity:0;transform:translateY(-3px);transition:all var(--fast);
}
.msg-body pre:hover .copy{opacity:1;transform:none}
.msg-body pre .copy:hover{color:var(--text);background:var(--panel-hi);border-color:var(--line-hi)}
.msg-body pre .copy .ic{width:11px;height:11px}
.msg-body pre code{
  display:block;padding:37px 14px 14px;background:none;border:none;border-radius:0;
  font-size:12.5px;line-height:1.62;color:#ccd4e0;overflow-x:auto;white-space:pre;
}
.msg-body table{
  border-collapse:collapse;margin:.85em 0;font-size:13.5px;width:100%;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.msg-body th,.msg-body td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:7px 11px;text-align:left;vertical-align:top}
.msg-body th{background:var(--panel-2);font-weight:640;font-size:12.5px}
.msg-body tbody tr{transition:background var(--fast)}
.msg-body tbody tr:hover{background:var(--panel-hi)}
.msg-body blockquote{margin:.85em 0;padding:.1em 0 .1em 1.1em;border-left:2px solid var(--accent);color:var(--text-2)}
.msg-body hr{border:none;height:1px;background:var(--line);margin:1.6em 0}
.msg-body img{max-width:100%;max-height:330px;border-radius:var(--r-lg);border:1px solid var(--line);margin:.5em 0;cursor:zoom-in;transition:border-color var(--fast)}
.msg-body img:hover{border-color:var(--accent-line)}
.msg-body .task{
  display:flex;gap:9px;margin:.55em 0;padding:9px 11px;background:var(--panel-2);
  border:1px solid var(--line);border-radius:var(--r-md);font-size:13px;line-height:1.6;
}
.msg-body .task .ic{color:var(--accent);flex:none;margin-top:2px}
.msg-body .task.done{border-color:rgba(0,211,167,.3);background:var(--live-dim)}
.msg-body .task.done .ic{color:var(--live)}

.msg-foot{
  display:flex;align-items:center;gap:2px;margin-top:7px;min-height:26px;
  opacity:0;transform:translateY(-2px);transition:opacity var(--fast),transform var(--fast);
}
.msg:hover .msg-foot,.msg-foot:focus-within{opacity:1;transform:none}
.msg-foot .ico{width:26px;height:26px;border-radius:var(--r-xs)}
.msg-foot .spacer{flex:1}
.tok{font-size:10px;color:var(--text-4);padding-right:5px;letter-spacing:.2px}
/* user-turn actions: always visible on touch, revealed on hover elsewhere */
.msg.user .msg-foot{opacity:1;transform:none;margin-top:5px}
.msg.user .msg-foot .ico{color:var(--text-4)}
.msg.user .msg-foot .ico:hover{background:var(--panel-2);color:var(--accent-hi)}
.msg.user .msg-foot .ico.act-revert:hover{background:var(--accent-dim);color:var(--accent-hi)}
.msg.user .msg-foot .lbl{
  font-size:11px;color:var(--text-4);transition:color var(--fast);
  padding:0 6px;height:26px;display:inline-flex;align-items:center;gap:5px;border-radius:var(--r-xs);
}
.msg.user .msg-foot .lbl:hover{color:var(--text-2)}
.msg.user .msg-foot .lbl .ic{width:13px;height:13px}

/* reasoning */
.think{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel-2);
  margin-bottom:9px;overflow:hidden;transition:border-color var(--fast);
}
.think:hover{border-color:var(--line-hi)}
.think>summary{
  display:flex;align-items:center;gap:7px;padding:7px 10px;cursor:pointer;list-style:none;
  font-size:10.5px;font-weight:600;color:var(--text-3);user-select:none;letter-spacing:.2px;
}
.think>summary::-webkit-details-marker{display:none}
.think>summary .ic{width:12px;height:12px;color:var(--text-4);transition:transform var(--med)}
.think[open]>summary .ic{transform:rotate(90deg)}
.think>summary:hover{color:var(--text)}
.think-body{
  padding:9px 11px 11px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.66;color:var(--text-3);white-space:pre-wrap;
  max-height:360px;overflow-y:auto;
}

/* attachments */
.atts{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.att{
  display:inline-flex;align-items:center;gap:7px;padding:5px 10px 5px 5px;max-width:240px;
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-md);
  font-size:11.5px;color:var(--text-2);
  transition:background var(--fast),border-color var(--fast),transform var(--fast),color var(--fast);
}
.att:hover{background:var(--panel-hi);border-color:var(--line-hi);color:var(--text);transform:translateY(-1px)}
.att img{width:26px;height:26px;border-radius:var(--r-xs);object-fit:cover;flex:none}
.att .ic{color:var(--text-4);flex:none;margin:0 3px}
.att .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* typing */
.dots{display:flex;gap:4px;padding:12px 0;align-items:center}
.dots i{width:5px;height:5px;border-radius:50%;background:var(--text-4);animation:blink 1.15s infinite}
.dots i:nth-child(2){animation-delay:.14s}
.dots i:nth-child(3){animation-delay:.28s}
@keyframes blink{0%,75%,100%{opacity:.26;transform:scale(.8)}38%{opacity:1;transform:scale(1);background:var(--accent)}}

/* ══════════════════════════════════════════════════════════════
   EMPTY STATE
   ══════════════════════════════════════════════════════════════ */
.empty{
  min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:22px;padding:48px 24px;text-align:center;
}
.empty-mark{
  width:88px;height:88px;border-radius:24px;display:grid;place-items:center;position:relative;
  background:linear-gradient(150deg,#4f7cff,#7b5cff 58%,#00d3a7);
  box-shadow:0 12px 38px rgba(79,124,255,.3),inset 0 1px 0 rgba(255,255,255,.22);
  font-size:50px;line-height:1;
}
.empty-mark svg{width:30px;height:30px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.empty-mark::after{
  content:'';position:absolute;inset:-13px;border-radius:34px;border:1px solid var(--accent-line);
  opacity:.5;animation:pulse 3.6s var(--ease-out) infinite;
}
@keyframes pulse{0%{transform:scale(.94);opacity:.5}70%,100%{transform:scale(1.18);opacity:0}}
.empty h2{font-size:23px;font-weight:700;letter-spacing:-.6px}
.empty h2 em{
  font-style:normal;background:linear-gradient(120deg,#4f7cff,#7b5cff 55%,#00d3a7);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.empty>p{font-size:13.5px;line-height:1.72;color:var(--text-2);max-width:480px}
.empty-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-width:520px;width:100%}
.empty-card{
  display:flex;align-items:center;gap:11px;padding:11px 12px;text-align:left;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  transition:all var(--med);
}
.empty-card:hover{border-color:var(--line-hi);background:var(--panel-hi);transform:translateY(-2px);box-shadow:var(--sh-2)}
.empty-card:hover .ic{color:var(--accent-hi)}
.empty-card .ic{color:var(--accent);flex:none;transition:color var(--med)}
.empty-card .txt{min-width:0}
.empty-card b{display:block;font-size:12px;font-weight:600}
.empty-card span{display:block;font-size:10.5px;color:var(--text-4);margin-top:1px;line-height:1.45}
.empty-cta{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}

/* ══════════════════════════════════════════════════════════════
   COMPOSER
   ══════════════════════════════════════════════════════════════ */
.dock{flex:none;padding:0 24px 18px;background:linear-gradient(to top,var(--bg) 60%,transparent)}
.dock-in{max-width:820px;margin:0 auto}
.tray{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.tray:empty{display:none}
.tray-item{
  display:inline-flex;align-items:center;gap:8px;padding:5px 6px 5px 5px;max-width:236px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  font-size:11.5px;color:var(--text-2);
  animation:chipIn 200ms var(--ease-out);
}
@keyframes chipIn{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
.tray-item img{width:32px;height:32px;border-radius:var(--r-xs);object-fit:cover;flex:none;cursor:zoom-in}
.tray-item .ic{color:var(--text-4);flex:none;margin:0 3px}
.tray-item .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tray-item .rm{
  width:20px;height:20px;flex:none;border-radius:var(--r-xs);display:grid;place-items:center;
  color:var(--text-4);transition:all var(--fast);
}
.tray-item .rm:hover{background:var(--danger-dim);color:var(--danger)}
.tray-item .rm .ic{width:12px;height:12px;margin:0}

.composer{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-2);
  transition:border-color var(--med),box-shadow var(--med);
}
.composer::before{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  transition:opacity var(--med);
  background:radial-gradient(440px circle at var(--mx,50%) 0%,var(--accent-dim),transparent 62%);
}
.composer:focus-within{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-dim),var(--sh-3)}
.composer:focus-within::before{opacity:.8}
.composer.drag{border-color:var(--accent);border-style:dashed;background:var(--accent-dim)}
.composer textarea{
  position:relative;display:block;width:100%;background:none;border:none;resize:none;outline:none;
  padding:14px 16px 4px;font-size:14.5px;line-height:1.58;min-height:46px;max-height:230px;color:var(--text);
}
.composer textarea::placeholder{color:var(--text-4)}
.composer-row{position:relative;display:flex;align-items:center;gap:4px;padding:6px 8px 8px}
.composer-row .spacer{flex:1}
.composer-row .sel{width:158px;flex:none}
.composer-row .ico{width:30px;height:30px}

.send{
  width:32px;height:32px;flex:none;border-radius:var(--r-sm);display:grid;place-items:center;
  background:var(--accent);color:#fff;box-shadow:0 2px 10px rgba(79,124,255,.32);
  transition:background var(--fast),box-shadow var(--fast),transform var(--fast),opacity var(--fast);
}
.send:hover{background:var(--accent-hi);box-shadow:0 4px 18px rgba(79,124,255,.46);transform:translateY(-1px)}
.send:active{transform:scale(.9)}
.send:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent-line)}
.send .ic{width:15px;height:15px;stroke-width:2.2}
.send.stop{background:var(--danger);box-shadow:0 2px 10px rgba(242,85,90,.34)}
.send.stop:hover{background:#ff6268;box-shadow:0 4px 18px rgba(242,85,90,.46)}
.send[disabled]{opacity:.3;pointer-events:none;box-shadow:none}

.dock-hint{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-top:8px;padding:0 4px;min-height:16px;font-size:10.5px;color:var(--text-4);
}
.dock-hint .hl{display:flex;align-items:center;gap:6px;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.dock-hint .hr{flex:none;display:flex;align-items:center;gap:10px}
.dock-hint kbd{
  font-family:inherit;font-size:9.5px;font-weight:600;padding:1px 5px;border-radius:4px;
  background:var(--panel-2);border:1px solid var(--line);color:var(--text-3);
}
.dock-hint b{color:var(--accent-hi);font-weight:600}
.dock-hint.warn{color:var(--warn)}
.dock-hint .ic{width:12px;height:12px;flex:none}

.jump{
  position:absolute;right:24px;bottom:136px;width:34px;height:34px;z-index:12;
  border-radius:50%;display:grid;place-items:center;
  background:var(--panel-hi);border:1px solid var(--line-hi);box-shadow:var(--sh-2);color:var(--text-3);
  opacity:0;transform:translateY(8px) scale(.9);pointer-events:none;
  transition:all var(--med) var(--ease-out);
}
.jump.on{opacity:1;transform:none;pointer-events:auto}
.jump:hover{color:var(--text);border-color:var(--accent-line)}

/* ══════════════════════════════════════════════════════════════
   AGENT PANEL
   ══════════════════════════════════════════════════════════════ */
/* ══════════════════════════════════════════════════════════════
   OVERLAYS
   ══════════════════════════════════════════════════════════════ */
.scrim{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:28px;
  background:rgba(4,5,8,.6);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);
  opacity:0;pointer-events:none;transition:opacity var(--med);
}
.scrim.on{opacity:1;pointer-events:auto}
.modal{
  width:min(690px,100%);max-height:86vh;display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--line-hi);border-radius:20px;box-shadow:var(--sh-3);
  transform:translateY(14px) scale(.984);transition:transform var(--med) var(--ease-out);
}
.scrim.on .modal{transform:none}
.modal-head{display:flex;align-items:flex-start;gap:12px;padding:17px 19px;border-bottom:1px solid var(--line);flex:none}
.modal-head h3{font-size:15px;font-weight:660;letter-spacing:-.2px}
.modal-head p{font-size:11.5px;color:var(--text-4);margin-top:4px;line-height:1.6}
.modal-head p code,.switch-txt code,.fld .note code{
  font-size:10px;background:var(--panel-2);border:1px solid var(--line);border-radius:4px;padding:1px 4px;
}
.modal-body{padding:19px;overflow-y:auto;display:flex;flex-direction:column;gap:23px;min-height:0}
.modal-foot{
  padding:13px 19px;border-top:1px solid var(--line);display:flex;gap:8px;
  justify-content:flex-end;flex:none;background:var(--panel-hi);
}

.sect{display:flex;flex-direction:column;gap:11px}
.sect-h{
  display:flex;align-items:center;gap:10px;font-size:9px;font-weight:750;letter-spacing:.95px;
  text-transform:uppercase;color:var(--text-4);user-select:none;
}
.sect-h::after{content:'';flex:1;height:1px;background:var(--line)}
.fld{display:flex;flex-direction:column;gap:6px;min-width:0}
.fld>label{font-size:10.5px;font-weight:600;color:var(--text-3);letter-spacing:.2px}
.fld .note{font-size:10.5px;color:var(--text-4);line-height:1.6}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}

.inp{
  width:100%;height:33px;padding:0 11px;background:var(--panel-2);border:1px solid var(--line);
  border-radius:var(--r-md);font-size:12.5px;outline:none;
  transition:border-color var(--fast),box-shadow var(--fast),background var(--fast);
}
.inp:hover{border-color:var(--line-hi)}
.inp:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-dim);background:var(--panel-hi)}
.inp::placeholder{color:var(--text-4)}
textarea.inp{height:auto;min-height:80px;resize:vertical;padding:9px 11px;line-height:1.58}
.inp.mono{font-size:11.5px;letter-spacing:.2px}
/* native selects (admin panel) styled to match */
select.inp{
  appearance:none;-webkit-appearance:none;padding-right:30px;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);
  background-position:calc(100% - 15px) 14px,calc(100% - 10px) 14px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
select.inp option{background:var(--panel-hi);color:var(--text)}

.range{display:flex;align-items:center;gap:10px}
.range input[type="range"]{
  flex:1;height:3px;-webkit-appearance:none;appearance:none;background:var(--line-hi);
  border-radius:var(--r-full);outline:none;cursor:pointer;
}
.range input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px var(--panel),0 1px 5px rgba(0,0,0,.4);cursor:grab;
  transition:transform var(--fast);
}
.range input[type="range"]::-webkit-slider-thumb:hover{transform:scale(1.2)}
.range input[type="range"]::-webkit-slider-thumb:active{cursor:grabbing;transform:scale(1.05)}
.range input[type="range"]::-moz-range-thumb{
  width:14px;height:14px;border:none;border-radius:50%;background:var(--accent);cursor:grab;
  box-shadow:0 0 0 3px var(--panel);
}
.rv{font-size:11px;color:var(--text-2);width:38px;text-align:right;flex:none}

.keys{display:flex;flex-direction:column;gap:8px}
.keycard{
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel-2);
  padding:11px 12px;display:flex;flex-direction:column;gap:8px;transition:border-color var(--fast);
}
.keycard:hover{border-color:var(--line-hi)}
.keycard-top{display:flex;align-items:center;gap:8px}
.keycard-top b{font-size:12.5px;font-weight:600;flex:1;display:flex;align-items:center;gap:7px}
.keycard-top b .ic{width:14px;height:14px;color:var(--text-4)}
.keycard .note{font-size:10.5px;color:var(--text-4);line-height:1.6}
.pill{
  font-size:8.5px;font-weight:750;letter-spacing:.55px;text-transform:uppercase;flex:none;
  padding:2px 7px;border-radius:var(--r-full);border:1px solid var(--line);color:var(--text-4);
}
.pill.ok{background:var(--live-dim);border-color:rgba(0,211,167,.3);color:var(--live)}
.pill.no{background:var(--danger-dim);border-color:rgba(242,85,90,.3);color:var(--danger)}
.pill.local{background:var(--accent-dim);border-color:var(--accent-line);color:var(--accent-hi)}
.pill.req{background:rgba(232,161,58,.1);border-color:rgba(232,161,58,.3);color:var(--warn)}
.keycard-top a{font-size:10.5px;color:var(--accent);display:inline-flex;align-items:center;gap:4px;flex:none}
.keycard-top a:hover{color:var(--accent-hi)}
.keycard-top a .ic{width:11px;height:11px}
.keyrow{display:flex;gap:6px}
.keyrow .inp{flex:1}

.switch{display:flex;align-items:flex-start;gap:11px;cursor:pointer;user-select:none}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch .track{
  width:35px;height:19px;flex:none;border-radius:var(--r-full);background:var(--panel-2);
  border:1px solid var(--line-hi);position:relative;margin-top:1px;
  transition:background var(--med),border-color var(--med);
}
.switch .track::after{
  content:'';position:absolute;top:2px;left:2px;width:13px;height:13px;border-radius:50%;
  background:var(--text-3);transition:transform var(--med) var(--ease-out),background var(--med);
}
.switch input:checked+.track{background:var(--accent);border-color:transparent}
.switch input:checked+.track::after{transform:translateX(16px);background:#fff}
.switch input:focus-visible+.track{box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--accent-line)}
.switch-txt{font-size:12.5px;line-height:1.55}
.switch-txt b{display:block;font-weight:600;margin-bottom:2px}
.switch-txt span{color:var(--text-4);font-size:11px;line-height:1.6}

/* ══════════════════════════════════════════════════════════════
   CUSTOM DIALOG (replaces every native confirm/prompt)
   ══════════════════════════════════════════════════════════════ */
.dlg{
  position:fixed;inset:0;z-index:600;display:grid;place-items:center;padding:20px;
  background:rgba(4,5,8,.42);backdrop-filter:blur(9px) saturate(1.3);
  -webkit-backdrop-filter:blur(9px) saturate(1.3);
  animation:dlgFade 180ms var(--ease-out);
}
.dlg[hidden]{display:none}
@keyframes dlgFade{from{opacity:0}to{opacity:1}}
.dlg-card{
  position:relative;width:min(430px,100%);max-height:calc(100vh - 40px);overflow-y:auto;
  padding:24px 24px 20px;border-radius:20px;text-align:center;
  background:linear-gradient(165deg,color-mix(in srgb,var(--panel-hi) 92%,transparent),color-mix(in srgb,var(--panel) 88%,transparent));
  border:1px solid color-mix(in srgb,var(--line-hi) 85%,transparent);
  backdrop-filter:blur(26px) saturate(1.7);-webkit-backdrop-filter:blur(26px) saturate(1.7);
  box-shadow:0 30px 90px rgba(0,0,0,.62),0 0 0 1px rgba(255,255,255,.045) inset,
             0 1px 0 rgba(255,255,255,.14) inset,var(--sh-3);
  animation:dlgIn 260ms var(--ease-out);
}
@keyframes dlgIn{from{opacity:0;transform:translateY(16px) scale(.955)}to{opacity:1;transform:none}}
.dlg-card::before{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(420px circle at 50% -12%,rgba(79,124,255,.2),transparent 62%);
}
.dlg-card.bad::before{background:radial-gradient(420px circle at 50% -12%,rgba(242,85,90,.22),transparent 62%)}
.dlg-mark{
  width:46px;height:46px;margin:0 auto 14px;border-radius:15px;display:grid;place-items:center;
  font-size:24px;line-height:1;background:linear-gradient(150deg,#4f7cff,#7b5cff 60%,#00d3a7);
  box-shadow:0 8px 26px rgba(79,124,255,.4),inset 0 1px 0 rgba(255,255,255,.3);
}
.dlg-card.bad .dlg-mark{background:linear-gradient(150deg,#f2555a,#a12a4e);box-shadow:0 8px 26px rgba(242,85,90,.36),inset 0 1px 0 rgba(255,255,255,.22)}
.dlg-card h4{font-size:15.5px;font-weight:670;letter-spacing:-.25px;margin-bottom:7px}
.dlg-card p{font-size:12.5px;line-height:1.66;color:var(--text-3);max-width:340px;margin:0 auto}
.dlg-card .inp{margin-top:15px;text-align:left}
.dlg-row{display:flex;gap:9px;margin-top:20px}
.dlg-row .btn{flex:1;height:36px;font-size:12.5px}
.dlg-row .btn-primary{flex:1.2}
.dlg-card.bad .btn-primary{background:var(--danger);box-shadow:0 4px 18px rgba(242,85,90,.34)}
.dlg-card.bad .btn-primary:hover{background:#ff6a6f;box-shadow:0 6px 24px rgba(242,85,90,.46)}

/* ══════════════════════════════════════════════════════════════
   OWNER ADMIN PANEL
   ══════════════════════════════════════════════════════════════ */
.modal.wide{width:min(980px,96vw);max-width:980px}
.admin{display:flex;flex-direction:column;max-height:min(88vh,860px)}
.admin-status{flex:1;font-size:11px;color:var(--text-4);text-align:left;line-height:1.5}

.admin-login{flex:1;min-height:0;display:grid;place-items:center;padding:26px 20px;overflow-y:auto}
.login-card{width:min(360px,100%);text-align:center;display:flex;flex-direction:column;gap:11px}
.login-card h4{font-size:15px;font-weight:660;margin-top:4px}
.login-card .note{margin:0}
.login-card .btn{margin-top:4px;height:36px}
.login-err{min-height:15px;font-size:11px;color:var(--danger);text-align:center;line-height:1.4}
.login-err:empty{display:none}

.admin-body{flex:1;min-height:0;display:flex;gap:0}
.admin-nav{
  width:172px;flex:none;display:flex;flex-direction:column;gap:2px;padding:11px;
  border-right:1px solid var(--line);overflow-y:auto;
}
.admin-nav button{
  display:flex;align-items:center;gap:9px;height:33px;padding:0 10px;border-radius:var(--r-sm);
  font-size:12.5px;font-weight:550;color:var(--text-3);text-align:left;
  transition:background var(--fast),color var(--fast),transform var(--fast);
}
.admin-nav button .ic{color:var(--text-4);transition:color var(--fast)}
.admin-nav button:hover{background:var(--panel-2);color:var(--text);transform:translateX(2px)}
.admin-nav button:hover .ic{color:var(--accent)}
.admin-nav button.on{background:var(--accent-dim);color:var(--accent-hi)}
.admin-nav button.on .ic{color:var(--accent-hi)}
.admin-nav button:focus-visible{outline:none;box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--accent-line)}
.admin-panes{flex:1;min-width:0;overflow-y:auto;padding:18px 20px;display:flex;flex-direction:column;gap:16px}
.admin-panes section{display:flex;flex-direction:column;gap:13px}
.admin-panes section[hidden]{display:none}

.adm-list{display:flex;flex-direction:column;gap:4px;max-height:320px;overflow-y:auto;padding-right:3px}
.adm-row{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--panel-2);
  transition:border-color var(--fast),background var(--fast);
}
.adm-row:hover{border-color:var(--line-hi);background:var(--panel-hi)}
.adm-row .t{flex:1;min-width:0}
.adm-row .t b{display:block;font-size:12.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.adm-row .t span{font-size:10.5px;color:var(--text-4);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.adm-row .n{font-size:10.5px;color:var(--text-4);flex:none;font-variant-numeric:tabular-nums}
.adm-row .ico{width:26px;height:26px}
.adm-row .ico:hover{background:var(--danger-dim);color:var(--danger)}
.role-row .role-id{flex:1;min-width:0}
.role-row .role-lim{width:104px;flex:none;text-align:right}

.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:12px}
.kv dt{color:var(--text-4)}
.kv dd{color:var(--text-2);font-weight:550;text-align:right;overflow-wrap:anywhere}


.callout{
  display:flex;gap:10px;padding:11px 12px;border-radius:var(--r-md);
  background:var(--panel-2);border:1px solid var(--line);
  font-size:11.5px;line-height:1.62;color:var(--text-3);
}
.callout .ic{color:var(--live);flex:none;margin-top:1px}
.callout b{color:var(--text);font-weight:600}
.callout.bad{background:var(--danger-dim);border-color:rgba(242,85,90,.28)}
.callout.bad .ic{color:var(--danger)}

.toast{
  position:fixed;left:50%;bottom:28px;z-index:500;max-width:min(560px,88vw);
  display:flex;align-items:center;gap:9px;padding:10px 15px;border-radius:var(--r-lg);
  background:var(--panel-hi);border:1px solid var(--line-hi);box-shadow:var(--sh-3);
  font-size:12.5px;font-weight:550;color:var(--text);
  opacity:0;transform:translate(-50%,16px) scale(.97);pointer-events:none;
  transition:opacity var(--med),transform var(--med) var(--ease-out);
}
.toast.on{opacity:1;transform:translate(-50%,0) scale(1)}
.toast .ic{flex:none;color:var(--accent)}
.toast.ok .ic{color:var(--live)}
.toast.err{border-color:rgba(242,85,90,.4)}
.toast.err .ic{color:var(--danger)}

.veil{
  position:fixed;inset:0;z-index:90;display:grid;place-items:center;
  background:rgba(4,5,8,.55);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);
  opacity:0;pointer-events:none;transition:opacity var(--med);
}
.veil.on{opacity:1;pointer-events:auto}
.veil-card{
  display:flex;align-items:center;gap:12px;padding:16px 23px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line-hi);box-shadow:var(--sh-3);
  font-size:13px;font-weight:550;min-width:230px;
}
.spinner{
  width:17px;height:17px;border-radius:50%;flex:none;
  border:2px solid var(--line-hi);border-top-color:var(--accent);animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.lightbox{
  position:fixed;inset:0;z-index:600;display:grid;place-items:center;padding:34px;
  background:rgba(2,3,5,.94);cursor:zoom-out;
  opacity:0;pointer-events:none;transition:opacity var(--med);
}
.lightbox.on{opacity:1;pointer-events:auto}
.lightbox img{max-width:94vw;max-height:92vh;border-radius:var(--r-lg);box-shadow:var(--sh-3);animation:zoomIn 220ms var(--ease-out)}
@keyframes zoomIn{from{transform:scale(.96);opacity:0}to{transform:none;opacity:1}}

/* ══════════════════════════════════════════════════════════════
   SCROLLBAR / RESPONSIVE
   ══════════════════════════════════════════════════════════════ */
.thin-scroll{scrollbar-width:thin;scrollbar-color:var(--line-hi) transparent}
.thin-scroll::-webkit-scrollbar{width:9px;height:9px}
.thin-scroll::-webkit-scrollbar-track{background:transparent}
.thin-scroll::-webkit-scrollbar-thumb{
  background:var(--line-hi);border-radius:99px;border:2.5px solid transparent;background-clip:content-box;
}
.thin-scroll::-webkit-scrollbar-thumb:hover{background:var(--text-4);background-clip:content-box}

/* ── ultrawide / very wide: keep the reading column calm ── */
@media (min-width:1600px){
  :root{--rail:290px}
  .thread{max-width:900px;padding:34px 24px 26px}
  .dock-in{max-width:900px}
}
@media (min-width:2000px){
  :root{--rail:310px}
  .thread{max-width:980px}
  .dock-in{max-width:980px}
  .msg-body{font-size:15px}
}

/* ── small laptop ── */
@media (max-width:1180px){
  .cluster .ico.new b{display:none}
  .cluster .ico.new{width:29px;padding:0}
}
@media (max-width:1024px){
  .thread{max-width:100%}
  .admin-nav{width:56px}
  .admin-nav button{justify-content:center;padding:0}
  .admin-nav button span{display:none}
  .modal.wide{width:min(100%,96vw)}
}

/* ── tablet ── */
@media (max-width:940px){
  .app:not(.rail-off) .sidebar{width:238px}
  .empty-grid{grid-template-columns:1fr}
  .tb-title input{max-width:260px}
  .admin-panes{padding:15px}
}

/* ── phone / narrow: sidebar becomes an overlay with a scrim ── */
@media (max-width:740px){
  .sidebar{
    position:fixed;inset:0 auto 0 0;width:264px;z-index:70;
    box-shadow:var(--sh-3);transform:translateX(-102%);
    transition:transform var(--med) var(--ease-out);
  }
  .app:not(.rail-off) .sidebar{width:264px;transform:none}
  .app.rail-off .sidebar{width:264px;border-right-color:var(--line)}
  .app:not(.rail-off) .rail-scrim{display:block;opacity:1;pointer-events:auto}
  .thread{padding:20px 14px 16px;gap:22px}
  .dock{padding:0 12px calc(12px + env(safe-area-inset-bottom))}
  .grid2,.grid3{grid-template-columns:1fr}
  .modal{border-radius:16px}
  .jump{right:14px;bottom:126px}
  .topbar{padding:8px 10px;gap:6px;min-height:50px}
  .tb-title input{font-size:13px}
  .cluster{padding:2px}
  .cluster .ico{width:28px;height:28px}
  .admin-body{flex-direction:column}
  .admin-nav{width:auto;flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:8px}
  .admin-nav button{flex:none;padding:0 12px}
  .admin-nav button span{display:inline}
  .admin-panes{max-height:none}
  .dlg-card{padding:22px 18px 18px;border-radius:18px}
  .msg.user .msg-foot{opacity:1}
  /* tooltips are useless on touch */
  [data-tip]:hover::after{display:none}
}

/* ── short landscape (phone turned sideways, small laptops) ── */
@media (max-height:560px) and (orientation:landscape){
  .topbar{min-height:44px;padding:5px 10px}
  .thread{padding:14px 16px 12px;gap:16px}
  .dock{padding:0 14px 10px}
  .composer textarea{min-height:34px}
  .modal,.admin{max-height:94vh}
  .admin-login{padding:14px}
  .login-card .brand-mark.lg{width:40px;height:40px;font-size:22px}
  .jump{bottom:104px}
}
@media (max-height:460px){
  .dock-hint{display:none}
  .brand-text span{display:none}
}

/* ── very narrow phones ── */
@media (max-width:400px){
  .thread{padding:16px 10px 12px}
  .dock{padding:0 8px calc(8px + env(safe-area-inset-bottom))}
  .composer-row{gap:2px;padding:5px 6px 6px}
  .composer-row .sel{width:112px}
  .cluster .ico{width:27px;height:27px}
  .topbar .ico.danger{display:none}
  .msg-foot{flex-wrap:wrap}
  .dlg-row{flex-direction:column-reverse}
  /* keyboard hints do not fit next to the double-Enter hint on tiny screens */
  .dock-hint .hr:has(kbd){display:none}
  .dock-hint{gap:8px}
  .admin-nav button span{display:none}
  .admin-nav button{padding:0;justify-content:center}
}

/* ── coarse pointers: no hover-only affordances ── */
@media (hover:none){
  .chatitem .ci-act{opacity:1;transform:none}
  .msg-foot{opacity:1;transform:none}
  .msg .msg-meta{opacity:1;transform:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}