:root{
  --bg:#f6f7f8; --card:#fff; --card-2:#fafbfc; --line:#d8dce0; --line-soft:#e7eaed;
  --veil:#eceef0; --field:#fcfcfd; --field-on:#fff;
  --note-ink:#33383d; --note-mark:#ffe9a8;
  --err-line:#f0d5d2; --blue-line:#cfe0f5; --warn-line:#eadfc2; --blue-dark:#24518f;
  --t2:#b4671a;
  --paper:#fdfbf2; --paper-line:#e6e3d2; --paper-edge:#d9d5c2; --paper-fold:rgba(0,0,0,.07);
  --sy-kw:#2b5faa; --sy-fn:#7a3ea3; --sy-str:#2f6b46; --sy-num:#8a5a14; --sy-op:#8b939c;
  --ink:#1f2328; --ink-2:#5b6570; --ink-3:#8b939c;
  --blue:#2b5faa; --blue-soft:#eef3fb;
  --err:#a5342c; --err-bg:#fdf3f2;
  --ok:#2f6b46; --warn:#8a6414; --warn-bg:#fdf8ec;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --ui:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:13px/1.45 var(--ui);
  display:flex;flex-direction:column;overflow:hidden}

/* header */
#bar{display:flex;align-items:center;gap:14px;padding:0 14px;height:42px;
  background:var(--card);border-bottom:1px solid var(--line);flex:0 0 auto}
#bar .brand strong{letter-spacing:.14em;font-size:12px}
#bar .ctx{color:var(--ink-2);font-size:12px}
#bar .user{font-family:var(--mono)}
#bar .tools{margin-left:auto;display:flex;gap:6px;align-items:center}
.sep{color:var(--ink-3);margin:0 7px}
select,button{font:inherit;color:inherit}
select{border:1px solid var(--line);border-radius:4px;background:var(--card);padding:2px 4px;font-size:12px}
button{border:1px solid var(--line);background:var(--card);border-radius:4px;padding:5px 12px;cursor:pointer}
button:hover{border-color:var(--ink-3)}
button.icon{padding:3px 8px;font-size:13px;line-height:1.3}
button#run{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:500}
button#run:hover{background:var(--blue-dark)}
button#run:disabled{background:var(--ink-3);border-color:var(--ink-3);cursor:default}
button.ghost{color:var(--blue)}

/* layout */
#app{flex:1 1 auto;display:grid;grid-template-columns:250px minmax(0,1fr) 320px;
  gap:12px;padding:12px;overflow:hidden}
#left,#center,#right{display:flex;flex-direction:column;gap:12px;min-height:0;min-width:0;overflow-y:auto}
#center{overflow-y:auto}
.panel{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:10px 12px;flex:0 0 auto;min-width:0}
.panel h2{margin:0 0 8px;font-size:10px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-3);font-weight:600;display:flex;align-items:center;gap:8px}
.muted{color:var(--ink-3);font-weight:400;letter-spacing:0;text-transform:none;font-size:11px}
.grow{flex:1}
.row{display:flex;align-items:center;gap:10px;margin-top:8px}
.kbd{font-family:var(--mono)}

/* tables */
#tableList{list-style:none;margin:0;padding:0}
#tableList li{padding:3px 0;font-family:var(--mono);font-size:12px}
#tableList .t{cursor:pointer;color:var(--ink);display:block}
#tableList .t:hover{color:var(--blue)}
#tableList li.gone{color:var(--ink-3);text-decoration:line-through;cursor:default}
#tableList li.gone em{text-decoration:none;font-style:normal;font-size:10px;
  font-family:var(--ui);margin-left:6px;color:var(--err)}
#tableList .cols{margin:2px 0 6px 10px;padding-left:8px;border-left:1px solid var(--line-soft);
  color:var(--ink-2);font-size:11px}
#tableList .cols div{padding:1px 0}
#tableList .cols span{color:var(--ink-3);margin-left:6px}

/* note */
.note #noteBody{position:relative;font:14px/22px "Bradley Hand","Segoe Script","Comic Sans MS",cursive;
  color:var(--note-ink);white-space:pre-wrap;padding:11px 12px 14px;border-radius:2px;
  background-color:var(--paper);
  background-image:
    repeating-linear-gradient(0deg,transparent 0 21px,var(--paper-line) 21px 22px),
    repeating-linear-gradient(90deg,transparent 0 21px,var(--paper-line) 21px 22px);
  background-position:0 -6px,-4px 0;
  border:1px solid var(--paper-edge);
  box-shadow:0 1px 3px rgba(0,0,0,.14),inset 0 0 26px rgba(0,0,0,.05);
  transform:rotate(-.4deg)}
.note #noteBody::after{content:"";position:absolute;left:0;right:0;top:52%;height:6px;
  background:linear-gradient(var(--paper-fold),transparent);pointer-events:none}
.note .ln{opacity:.5;transition:opacity .4s}
.note .ln.on{opacity:1;background:linear-gradient(transparent 14%,var(--note-mark) 14%,
  var(--note-mark) 90%,transparent 90%)}
.progress{height:3px;background:var(--line-soft);border-radius:2px;margin:10px 0 4px;overflow:hidden}
#noteBar{height:100%;width:0;background:var(--warn);transition:width .5s}

/* tasks */
#taskList{list-style:none;margin:0;padding:0}
#taskList li{border-top:1px solid var(--line-soft);padding:7px 0}
#taskList li:first-child{border-top:0}
#taskList .head{display:flex;gap:8px;cursor:pointer;align-items:baseline}
#taskList .mark{font-family:var(--mono);color:var(--ink-3);flex:0 0 14px}
#taskList li.done .mark{color:var(--ok)}
#taskList li.done .title{color:var(--ink-3);text-decoration:line-through}
#taskList .title{font-weight:500}
#taskList .tag{font-size:10px;color:var(--warn);background:var(--warn-bg);
  border:1px solid var(--warn-line);border-radius:3px;padding:0 5px;margin-left:auto}
#taskList .body{margin:6px 0 2px 22px;color:var(--ink-2)}
#taskList .hint{margin-top:5px;font-family:var(--mono);font-size:11px;color:var(--ink-3);white-space:pre-wrap}

/* query */
.editor{position:relative}
.editor pre,.editor textarea{margin:0;font:13px/1.55 var(--mono);padding:9px 11px;
  border:1px solid var(--line);border-radius:4px;
  white-space:pre-wrap;overflow-wrap:break-word;word-break:normal;tab-size:2}
.editor pre{position:absolute;inset:0;pointer-events:none;overflow:hidden;
  background:var(--field);color:var(--ink)}
.editor textarea{position:relative;display:block;width:100%;min-height:92px;resize:vertical;
  background:transparent;color:transparent;caret-color:var(--ink)}
.editor textarea::selection{background:rgba(91,155,240,.30)}
.editor textarea:focus{outline:none;border-color:var(--blue)}
.editor:focus-within pre{background:var(--field-on);border-color:var(--blue)}
.sy-kw{color:var(--sy-kw);font-weight:600}
.sy-fn{color:var(--sy-fn);font-weight:600}
.sy-str{color:var(--sy-str)}
.sy-num{color:var(--sy-num)}
.sy-op{color:var(--sy-op)}

/* result */
#result{overflow:auto;max-height:46vh;border:1px solid var(--line-soft);border-radius:3px}
table.rs{border-collapse:collapse;font-family:var(--mono);font-size:12px;width:auto}
table.rs th{text-align:left;font-weight:600;color:var(--ink-2);background:var(--card-2);
  border-bottom:1px solid var(--line);padding:5px 12px;white-space:nowrap;
  position:sticky;top:0;z-index:1}
table.rs th.num{text-align:right}
table.rs td{border-bottom:1px solid var(--line-soft);padding:4px 12px;white-space:nowrap}
table.rs tr:hover td{background:var(--card-2)}
table.rs td.null{color:var(--ink-3);font-style:italic}
table.rs td.num{text-align:right}
.err{background:var(--err-bg);border:1px solid var(--err-line);border-left:3px solid var(--err);
  color:var(--err);padding:8px 10px;border-radius:3px;font-family:var(--mono);font-size:12px}
.empty{color:var(--ink-3);padding:6px 0}
#crumbs a{display:block;margin-top:8px;color:var(--blue);text-decoration:none;font-size:12px;cursor:pointer}
#crumbs a:hover{text-decoration:underline}

/* history */
#history{list-style:none;margin:0;padding:0;font-family:var(--mono);font-size:11px}
#history li{padding:3px 0;border-top:1px solid var(--line-soft);color:var(--ink-2);
  cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#history li:hover{color:var(--blue)}

/* messages */
.badge{background:var(--err);color:#fff;border-radius:9px;padding:0 6px;font-size:10px;
  letter-spacing:0;margin-left:auto;font-weight:600}
#readAll{font-size:10px;letter-spacing:0;text-transform:none;padding:0 0 0 4px}
#messages{display:flex;flex-direction:column;gap:9px}
.msg{border:1px solid var(--line-soft);border-radius:4px;padding:8px 10px;background:var(--field)}
.msg.unread{border-color:var(--blue-line);background:var(--blue-soft);
  border-left:2px solid var(--blue);cursor:pointer}
.msg.unread:hover{border-left-color:var(--ink-2)}
.msg.sys.unread{border-left-style:solid}
.msg.fresh{animation:drop .46s cubic-bezier(.2,.85,.3,1), glow 1.25s ease .12s}
/* Only opacity and transform — never a dimension. A throttled tab can freeze
   an animation on its first frame, and a frozen height:0 would hide the
   message for good. The class is also stripped on a timer, so the card ends up
   in its natural state whether the animation ran or not. */
@keyframes drop{
  from{opacity:0;transform:translateX(22px)}
  60%{opacity:1}
  to{opacity:1;transform:none}
}
@keyframes glow{
  0%{box-shadow:0 0 0 0 rgba(91,155,240,.50)}
  70%{box-shadow:0 0 0 7px rgba(91,155,240,0)}
  100%{box-shadow:0 0 0 0 rgba(91,155,240,0)}
}
@keyframes badgepop{
  0%,100%{transform:scale(1)}
  32%{transform:scale(1.45)}
  62%{transform:scale(.96)}
}
.badge.pulse{animation:badgepop .52s ease}
@media (prefers-reduced-motion:reduce){
  .msg.fresh{animation:none}
  .badge.pulse{animation:none}
}
.msg .who{font-weight:600;font-size:12px}
.msg .time{color:var(--ink-3);font-size:11px;float:right;font-family:var(--mono)}
.msg .txt{margin-top:5px;white-space:pre-wrap;color:var(--ink)}
.msg.sys{background:var(--card-2);border-style:dashed}
.msg.sys .txt{color:var(--ink-2);font-size:12px}
.msg .opts{display:flex;flex-direction:column;gap:6px;margin-top:9px}
.msg .opts button{text-align:left;font-size:12px}
.msg .picked{margin-top:8px;padding-top:8px;border-top:1px dashed var(--line);
  color:var(--ink-2);white-space:pre-wrap}
.msg .picked b{color:var(--ink)}

/* boot + curtain */
#boot{position:fixed;inset:0;background:var(--bg);display:flex;
  align-items:center;justify-content:center;z-index:50}
#curtain{position:fixed;inset:0;background:var(--veil);z-index:50;overflow-y:auto;
  padding:56px 20px 80px}
.boot-inner{text-align:center;color:var(--ink-2)}
.spin{width:20px;height:20px;margin:0 auto 12px;border:2px solid var(--line);
  border-top-color:var(--blue);border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.fin{max-width:640px;margin:0 auto;background:var(--card);border:1px solid var(--line);
  border-radius:5px;padding:38px 44px 34px;animation:rise .5s cubic-bezier(.2,.85,.3,1)}
.fin h1{margin:0 0 30px;font-size:21px;font-weight:600;letter-spacing:-.01em;
  padding-bottom:18px;border-bottom:1px solid var(--line)}
.fin section{margin-bottom:30px}
.fin h2{margin:0 0 12px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-3);font-weight:600}
.fin p{margin:0;white-space:pre-wrap;line-height:1.85;color:var(--ink)}
.fin ul{margin:0;padding:0;list-style:none}
.fin ul li{position:relative;padding:0 0 11px 20px;line-height:1.7;color:var(--ink-2)}
.fin ul li::before{content:"›";position:absolute;left:2px;color:var(--ink-3)}
.fin #finClose{margin:34px 0 0;padding:18px 0 0;border-top:1px solid var(--line);
  color:var(--ink-2);font-style:italic}
.fin dl{display:flex;flex-wrap:wrap;gap:0 26px;margin:26px 0 28px;padding:14px 0 0;
  border-top:1px solid var(--line-soft);font-size:11px}
.fin dl div{display:flex;gap:6px;align-items:baseline}
.fin dt{color:var(--ink-3)}
.fin dd{margin:0;color:var(--ink);font-weight:600;font-family:var(--mono)}
@media (max-width:680px){.fin{padding:26px 22px}.fin h1{font-size:18px}}

/* audit status */
#audit{margin-top:10px;padding-top:8px;border-top:1px solid var(--line-soft);
  font-size:11px;color:var(--ink-3);display:flex;gap:6px;align-items:baseline}
#audit b{font-weight:600;color:var(--ink-2)}
#audit.t1 b{color:var(--warn)}
#audit.t2 b{color:var(--t2)}
#audit.t3 b{color:var(--err)}

/* insert affordances */
#tableList .ins{float:right;color:var(--ink-3);cursor:pointer;font-size:11px;
  padding:0 3px;visibility:hidden}
#tableList li:hover .ins{visibility:visible}
#tableList .ins:hover{color:var(--blue)}
#tableList .cols div{cursor:pointer;border-radius:2px}
#tableList .cols div:hover{color:var(--blue);background:var(--blue-soft)}

/* tabs (mobile only) */
#tabs{display:none}

@media (max-width:980px){
  #bar{height:auto;padding:6px 10px;flex-wrap:wrap;gap:6px}
  #bar .ctx{width:100%;order:3}
  #app{grid-template-columns:minmax(0,1fr);padding:8px;padding-bottom:54px;overflow-x:hidden;overflow-y:auto}
  #left,#center,#right{display:none;overflow:visible;min-width:0}
  #taskList .body,#taskList .hint{overflow-wrap:anywhere}
  #app.p-left #left,#app.p-center #center,#app.p-right #right{display:flex}
  #tabs{display:flex;position:fixed;left:0;right:0;bottom:0;height:46px;z-index:20;
    background:var(--card);border-top:1px solid var(--line)}
  #tabs button{flex:1;border:0;border-radius:0;background:transparent;font-size:12px;
    display:flex;align-items:center;justify-content:center;gap:6px}
  #tabs button.on{color:var(--blue);box-shadow:inset 0 -2px 0 var(--blue);font-weight:600}
  #tabs .badge{margin:0}
  #sql{font-size:16px;min-height:110px}
  table.rs{font-size:11px}
  table.rs th,table.rs td{padding:4px 7px}
  #tableList .ins{visibility:visible}
}
#taskList li.blocked .title{color:var(--ink-3)}
#taskList li.blocked .body{opacity:.55}
#taskList .tag.off{color:var(--err);background:var(--err-bg);border-color:var(--err-line)}

/* ---- dark ---- */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
  --bg:#15181b; --card:#1c2024; --card-2:#22272b; --line:#2f353b; --line-soft:#262c31;
  --veil:#101315; --field:#191d21; --field-on:#1f2429;
  --ink:#e3e7ea; --ink-2:#a2aab2; --ink-3:#6e777f;
  --blue:#5b9bf0; --blue-soft:#17293f; --blue-dark:#6da8f5; --blue-line:#2d4a70;
  --err:#e57d70; --err-bg:#2a1a18; --err-line:#4a2b27;
  --ok:#6db98c; --warn:#d9a441; --warn-bg:#2a2318; --warn-line:#463a22; --t2:#d08a3e;
  --note-ink:#d9d3c3; --note-mark:rgba(217,164,65,.30);
  --paper:#26241d; --paper-line:#332f26; --paper-edge:#3a3529; --paper-fold:rgba(0,0,0,.30);
  --sy-kw:#7cb0f5; --sy-fn:#caa0ec; --sy-str:#84cba3; --sy-num:#e2b273; --sy-op:#79828a;
  }
}
:root[data-theme="dark"]{
  --bg:#15181b; --card:#1c2024; --card-2:#22272b; --line:#2f353b; --line-soft:#262c31;
  --veil:#101315; --field:#191d21; --field-on:#1f2429;
  --ink:#e3e7ea; --ink-2:#a2aab2; --ink-3:#6e777f;
  --blue:#5b9bf0; --blue-soft:#17293f; --blue-dark:#6da8f5; --blue-line:#2d4a70;
  --err:#e57d70; --err-bg:#2a1a18; --err-line:#4a2b27;
  --ok:#6db98c; --warn:#d9a441; --warn-bg:#2a2318; --warn-line:#463a22; --t2:#d08a3e;
  --note-ink:#d9d3c3; --note-mark:rgba(217,164,65,.30);
  --paper:#26241d; --paper-line:#332f26; --paper-edge:#3a3529; --paper-fold:rgba(0,0,0,.30);
  --sy-kw:#7cb0f5; --sy-fn:#caa0ec; --sy-str:#84cba3; --sy-num:#e2b273; --sy-op:#79828a;
}

/* language picker */
.langbox{display:flex;align-items:center;gap:5px;border:1px solid var(--line);
  border-radius:4px;padding:2px 4px 2px 7px;color:var(--ink-2);background:var(--card)}
.langbox select{border:0;padding:0 2px;background:transparent}
.langbox select:focus{outline:none}

/* tour */
#tourDim{position:fixed;inset:0;background:rgba(8,10,12,.42);z-index:40;pointer-events:none}
.tour-focus{position:relative;z-index:41;box-shadow:0 0 0 3px var(--blue),0 8px 28px rgba(0,0,0,.28)}
#callout{position:fixed;z-index:42;max-width:330px;background:var(--card);
  border:1px solid var(--blue);border-radius:5px;padding:13px 15px;
  box-shadow:0 10px 30px rgba(0,0,0,.24)}
#callout p{margin:0 0 12px;white-space:pre-wrap;line-height:1.6}
.crow{display:flex;align-items:center;gap:10px}
button.link{border:0;background:transparent;color:var(--ink-3);padding:4px 2px;text-decoration:underline}
button.link:hover{color:var(--ink-2)}

/* dialog */
#dialog{position:fixed;inset:0;background:rgba(8,10,12,.42);z-index:60;
  display:flex;align-items:center;justify-content:center;padding:16px}
.dlg{background:var(--card);border:1px solid var(--line);border-radius:5px;
  padding:20px 22px;max-width:420px;box-shadow:0 14px 40px rgba(0,0,0,.28)}
.dlg h3{margin:0 0 8px;font-size:14px}
.dlg p{margin:0 0 18px;color:var(--ink-2);line-height:1.6}
button.danger{background:var(--err);border-color:var(--err);color:#fff}
button.danger:hover{filter:brightness(1.08)}

#taskList li.just{animation:tick 1.1s ease}
@keyframes tick{
  0%{background:var(--blue-soft)}
  55%{background:var(--blue-soft)}
  100%{background:transparent}
}
#crumbs .nomatch{margin-top:8px;font-size:11px;color:var(--ink-3)}
#taskList .hintbtn{padding:2px 9px;font-size:11px;color:var(--ink-3);
  background:transparent;border:1px solid var(--line);border-radius:3px}
#taskList .hintbtn:hover{color:var(--blue);border-color:var(--blue)}
#taskList .taskbtns{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
#taskList .sol{margin-top:7px;font-family:var(--mono);font-size:11px;color:var(--ink-2);
  background:var(--card-2);border:1px solid var(--line-soft);border-left:2px solid var(--warn);
  border-radius:3px;padding:7px 9px;cursor:pointer;white-space:pre-wrap;overflow-wrap:anywhere}
#taskList .sol:hover{border-left-color:var(--blue);color:var(--ink)}
#taskList .tag.soft{color:var(--ink-3);background:transparent;border-color:var(--line)}
#crumbs .nomatch.ok{color:var(--ok)}

/* inner voice */
#thought{position:fixed;inset:0;background:rgba(8,10,12,.55);z-index:55;
  display:flex;align-items:center;justify-content:center;padding:18px}
.thg{background:var(--card);border:1px solid var(--line);border-radius:5px;
  border-left:3px solid var(--ink-3);max-width:430px;padding:24px 26px 20px;
  box-shadow:0 16px 44px rgba(0,0,0,.32);animation:rise .38s cubic-bezier(.2,.85,.3,1)}
/* Transform only. A throttled tab can freeze an animation on its first frame,
   and a frozen opacity:0 would hide the card for good — here it would also
   leave an invisible overlay swallowing every click. */
@keyframes rise{from{transform:translateY(12px)}to{transform:none}}
.thg p{margin:0 0 18px;white-space:pre-wrap;line-height:1.75;font-style:italic;
  color:var(--ink-2);font-size:13.5px}
.thg button{float:right;color:var(--ink-3);border-color:var(--line)}
.thg button:hover{color:var(--ink);border-color:var(--ink-3)}
.thg::after{content:"";display:block;clear:both}
@media (prefers-reduced-motion:reduce){#thought,.thg{animation:none}}
#taskList li.sep{border-top:1px solid var(--line);margin-top:6px;padding:12px 0 4px;
  font-size:10px;letter-spacing:.11em;color:var(--warn);font-weight:600}

/* credit strip */
#credit{flex:0 0 auto;display:flex;align-items:center;justify-content:center;gap:8px;
  padding:7px 14px;font-size:11px;color:var(--ink-3);
  background:var(--card);border-top:1px solid var(--line)}
#credit a{color:var(--ink-3);text-decoration:none;border-bottom:1px solid transparent}
#credit a:hover{color:var(--blue);border-bottom-color:var(--blue)}
#credit .dot{opacity:.5}

/* opening screen */
#intro{position:fixed;inset:0;background:var(--veil);z-index:58;overflow-y:auto;
  padding:44px 20px 60px}
.intro-card{position:relative;max-width:560px;margin:0 auto;background:var(--card);
  border:1px solid var(--line);border-radius:6px;padding:40px 46px 34px;
  box-shadow:0 18px 50px rgba(0,0,0,.26);animation:rise .5s cubic-bezier(.2,.85,.3,1)}
.intro-lang{position:absolute;top:14px;right:16px;display:flex;gap:4px}
.intro-lang button{font-size:11px;padding:3px 9px;color:var(--ink-3)}
.intro-lang button.on{color:var(--blue);border-color:var(--blue)}
.intro-card h1{margin:0 0 10px;font-size:30px;letter-spacing:.11em;font-weight:600}
.intro-card .tag-line{margin:0 0 24px;color:var(--ink-2);font-size:14px;font-style:italic}
.intro-card p{margin:0 0 16px;line-height:1.8;white-space:pre-wrap}
.intro-meta{margin:26px 0 28px;padding:18px 0 0;border-top:1px solid var(--line)}
.intro-meta p{margin:0 0 12px;color:var(--ink-2);font-size:12.5px}
.intro-meta code{display:block;font-family:var(--mono);font-size:11px;color:var(--blue);
  background:var(--card-2);border:1px solid var(--line-soft);border-radius:4px;
  padding:9px 11px;margin-bottom:14px;line-height:1.9;word-break:break-word}
#introStart{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:500;
  padding:9px 24px;font-size:13px}
#introStart:hover{background:var(--blue-dark)}

@media (max-width:980px){
  #credit{display:none}
  .intro-card{padding:30px 22px 26px}
  .intro-card h1{font-size:24px}
}