/* ============================================================
   mind.css - brain-only graph + FigJam-style editor chrome
   ============================================================ */
:root{
  --bg:#070A14; --panel:rgba(12,17,32,.82); --panel-solid:#0C1124;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.14);
  --ink:#E8E6F0; --ink-2:rgba(232,230,240,.62); --ink-3:rgba(232,230,240,.4);
  --accent:#5AC8FF; --accent-2:#4F8EFF; --danger:#FF6B6B;
  --mono:'DM Mono',ui-monospace,monospace; --sans:'DM Sans',system-ui,sans-serif;
  --radius:16px; --shadow:0 24px 60px -28px rgba(0,0,0,.8);
}
*{box-sizing:border-box}
[hidden]{display:none !important;}
html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--ink);font-family:var(--sans);}
body{user-select:none;-webkit-user-select:none;}
#mind{position:fixed;inset:0;display:block;touch-action:none;z-index:0;}

/* ---------- brand ---------- */
.brand{position:fixed;top:22px;left:24px;z-index:6;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--ink-2);pointer-events:none;}
.brand b{color:var(--ink);font-weight:500;}
.brand span{color:var(--accent);}

/* ---------- view UI (legend / hint / controls) ---------- */
.graphui{position:fixed;inset:0;z-index:5;pointer-events:none;transition:opacity .4s ease;}
.graphui.dim{pointer-events:none;}
body.editing .legend,body.editing .hint,body.editing .gui-tipline{display:none;}
.legend{display:none;position:fixed;top:64px;left:24px;background:var(--panel);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:14px;padding:14px 16px;min-width:280px;pointer-events:auto;box-shadow:var(--shadow);}
.legend__title{font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);margin-bottom:11px;}
.legend__row{display:flex;align-items:flex-start;gap:10px;padding:5px 0;font-size:13px;color:var(--ink-2);line-height:1.25;}
.legend__dot{width:9px;height:9px;border-radius:50%;flex:none;margin-top:4px;box-shadow:0 0 10px 1px currentColor;}
.legend__name{flex:1;color:var(--ink);}
.legend__count{font-family:var(--mono);font-size:11px;color:var(--ink-3);margin-top:1px;}

.hint{position:fixed;bottom:26px;left:24px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--ink-3);pointer-events:none;}
.hint b{color:var(--ink-2);font-weight:500;}

.gui-tipline{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3);pointer-events:none;text-align:center;}

.controls{position:fixed;right:24px;bottom:24px;display:flex;flex-direction:column;gap:8px;pointer-events:auto;}
.ctl{width:40px;height:40px;border-radius:11px;background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);color:var(--ink-2);display:grid;place-items:center;cursor:pointer;font-size:19px;transition:.18s;}
.ctl:hover{border-color:var(--line-2);color:var(--ink);background:rgba(20,28,48,.9);}
.ctl small{font-family:var(--mono);font-size:8.5px;letter-spacing:.12em;}

/* ---------- info card (view: selected node) ---------- */
.infocard{position:fixed;left:24px;bottom:62px;z-index:7;width:300px;max-width:calc(100vw - 48px);max-height:calc(100vh - 130px);overflow:auto;
  background:var(--panel);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 18px 16px;box-shadow:var(--shadow);}
.card-x{position:absolute;top:10px;right:12px;background:none;border:none;color:var(--ink-3);font-size:20px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:8px;}
.card-x:hover{color:var(--ink);background:rgba(255,255,255,.06);}
.ic-cat{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;margin-bottom:8px;}
.ic-title{font-size:20px;font-weight:600;line-height:1.15;color:#fff;margin-bottom:8px;padding-right:18px;}
.ic-desc{font-size:13.5px;line-height:1.5;color:var(--ink-2);margin:0 0 14px;}
.ic-open{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;color:var(--accent);text-decoration:none;
  border:1px solid rgba(90,200,255,.35);padding:8px 14px;border-radius:999px;transition:.18s;}
.ic-open:hover{background:rgba(90,200,255,.12);border-color:var(--accent);}
.ic-note{font-family:var(--mono);font-size:11px;color:var(--ink-3);}
.ic-conn{margin-top:14px;border-top:1px solid var(--line);padding-top:12px;}
.ic-conn__lab{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:9px;}
.ic-conn__chips{display:flex;flex-wrap:wrap;gap:6px;}
.ic-chip{font-family:var(--sans);font-size:11.5px;color:var(--ink-2);background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:4px 10px;cursor:pointer;transition:.14s;}
.ic-chip:hover{color:var(--ink);border-color:var(--line-2);background:rgba(255,255,255,.1);}

/* ---------- help card ---------- */
.infocard.help{left:50%;right:auto;transform:translateX(-50%);bottom:74px;width:440px;max-width:calc(100vw - 32px);}
.help-list{list-style:none;margin:2px 0 14px;padding:0;display:flex;flex-direction:column;gap:12px;}
.help-list li{font-size:13.5px;line-height:1.5;color:var(--ink-2);}
.help-list b{color:var(--ink);font-weight:600;}
.hk{display:inline-block;font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);
  border:1px solid rgba(90,200,255,.32);border-radius:6px;padding:2px 7px;margin-right:8px;vertical-align:middle;}

/* ---------- buttons ---------- */
.pill-btn,.btn{font-family:var(--sans);font-size:13px;font-weight:500;color:var(--ink);background:rgba(20,28,48,.7);
  border:1px solid var(--line-2);border-radius:999px;padding:9px 16px;cursor:pointer;transition:.16s;display:inline-flex;align-items:center;gap:8px;text-decoration:none;}
.pill-btn:hover,.btn:hover{background:rgba(30,40,66,.9);border-color:rgba(255,255,255,.28);}
.btn[disabled]{opacity:.4;cursor:default;}
.btn.small{padding:6px 12px;font-size:12px;}
.btn.wide{width:100%;justify-content:center;margin-top:6px;}
.btn.primary{background:var(--accent-2);border-color:var(--accent-2);color:#fff;}
.btn.primary:hover{background:#3f7ff0;}
.btn.danger{color:var(--danger);border-color:rgba(255,107,107,.4);background:rgba(255,107,107,.08);}
.btn.danger:hover{background:rgba(255,107,107,.16);}
#editToggle{position:static;}
.topright{position:fixed;top:20px;right:24px;z-index:8;display:flex;gap:10px;align-items:center;}
body.editing .topright{display:none;}
.pill-btn.ghost{background:rgba(12,17,32,.55);color:var(--ink-2);}
.pill-btn.ghost:hover{color:var(--ink);}

/* ---------- edit toolbar ---------- */
.editbar{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:9;display:flex;align-items:center;gap:6px;
  background:var(--panel);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--line);
  border-radius:14px;padding:8px;box-shadow:var(--shadow);}
.editbar .tool{width:38px;height:38px;border-radius:10px;background:none;border:1px solid transparent;color:var(--ink-2);
  display:grid;place-items:center;cursor:pointer;transition:.15s;position:relative;}
.editbar .tool:hover{background:rgba(255,255,255,.06);color:var(--ink);}
.editbar .tool.on{background:rgba(90,200,255,.16);border-color:rgba(90,200,255,.5);color:#fff;}
.editbar .tool svg{width:19px;height:19px;}
.editbar .sep{width:1px;height:26px;background:var(--line);margin:0 4px;}
.editbar .lbl{font-family:var(--mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);position:absolute;bottom:-15px;left:50%;transform:translateX(-50%);white-space:nowrap;opacity:0;}
.editbar .tool:hover .lbl{opacity:1;}
#unsavedBadge{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:#FFD25A;
  background:rgba(255,210,90,.12);border:1px solid rgba(255,210,90,.3);border-radius:999px;padding:4px 9px;}
.menu{position:absolute;top:54px;right:0;background:var(--panel-solid);border:1px solid var(--line);border-radius:12px;
  padding:6px;min-width:170px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px;}
.menu button{text-align:left;background:none;border:none;color:var(--ink-2);font-family:var(--sans);font-size:13px;
  padding:9px 12px;border-radius:8px;cursor:pointer;}
.menu button:hover{background:rgba(255,255,255,.06);color:var(--ink);}
.menu .danger{color:var(--danger);}

/* ---------- panels (inspector / history) ---------- */
.panel{position:fixed;top:74px;right:20px;z-index:8;width:300px;max-width:calc(100vw - 40px);max-height:calc(100vh - 110px);overflow:auto;
  background:var(--panel);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);}
#history{left:20px;right:auto;}
.panel__head{display:flex;align-items:center;justify-content:space-between;padding:15px 16px 12px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel);backdrop-filter:blur(20px);}
.panel__head h3{margin:0;font-size:13px;font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);font-weight:500;}
.panel__x{background:none;border:none;color:var(--ink-3);font-size:20px;cursor:pointer;line-height:1;padding:2px 6px;border-radius:8px;}
.panel__x:hover{color:var(--ink);background:rgba(255,255,255,.06);}
.panel__body{padding:16px;}

.insp-kind{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;}
.insp-l{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin:14px 0 6px;}
.insp-l:first-of-type{margin-top:0;}
.insp-in{width:100%;background:rgba(7,10,20,.6);border:1px solid var(--line-2);border-radius:10px;color:var(--ink);
  font-family:var(--sans);font-size:14px;padding:10px 12px;resize:vertical;transition:.15s;}
.insp-in:focus{outline:none;border-color:var(--accent);background:rgba(7,10,20,.85);}
textarea.insp-in{line-height:1.45;}
.insp-domain{display:flex;align-items:center;gap:10px;}
.insp-domain .dot{width:12px;height:12px;border-radius:50%;flex:none;box-shadow:0 0 8px currentColor;}
.insp-domain select{flex:1;}
.insp-actions{margin-top:18px;}
.insp-hint{font-size:13px;color:var(--ink-2);line-height:1.5;margin:0 0 12px;}

/* ---------- history ---------- */
.hrow{display:flex;align-items:center;gap:10px;padding:11px 8px;border-radius:10px;border:1px solid transparent;}
.hrow+.hrow{border-top:1px solid var(--line);border-radius:0;}
.hrow.cur{background:rgba(90,200,255,.07);border:1px solid rgba(90,200,255,.22);border-radius:10px;}
.hrow__main{flex:1;min-width:0;}
.hrow__label{font-size:13px;color:var(--ink);font-weight:500;}
.hrow__meta{font-family:var(--mono);font-size:10px;color:var(--ink-3);margin-top:3px;}
.cur-tag{color:var(--accent);}

/* ---------- toast ---------- */
.toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%,16px);z-index:20;background:var(--panel-solid);
  border:1px solid var(--line-2);border-radius:999px;padding:10px 20px;font-size:13px;color:var(--ink);box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:.25s;}
.toast.show{opacity:1;transform:translate(-50%,0);}

@media (max-width:640px){
  .legend{min-width:0;left:14px;top:56px;padding:11px 13px;}
  .panel{right:10px;left:10px;width:auto;}
  .infocard{left:14px;right:14px;width:auto;}
  .gui-tipline{display:none;}
}