@font-face{font-family:"FandolHei";src:url("../fonts/FandolHei-subset.woff2?v=25") format("woff2");font-weight:400 800;font-style:normal;font-display:swap}
/* ==========================================================================
   GeoMind — design system
   ========================================================================== */
:root{
  --bg:#070c15; --bg-2:#0a111d; --panel:#0d1624; --panel-2:#111d2f; --panel-3:#17253b;
  --line:#22314a; --line-soft:rgba(130,160,200,.14); --text:#e9eef8; --muted:#93a5bf;
  --dim:#5e7290; --accent:#ff7a59; --accent-2:#4fd1c5; --blue:#7aa2ff; --gold:#f6c76b;
  --violet:#c084fc; --pink:#fb7185; --success:#34d399; --danger:#fb7185;
  --canvas:#f5f1e8; --canvas-2:#eee8dc; --canvas-ink:#243041; --canvas-muted:#7d837f;
  --grid:#ddd5c5; --grid-strong:#cfc5b2;
  --shadow:0 22px 70px rgba(0,0,0,.42); --soft-shadow:0 8px 28px rgba(0,0,0,.24);
  --radius:15px; --radius-sm:10px;
  --sans:"FandolHei","Inter","SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Noto Sans CJK SC",sans-serif;
  --serif:"FandolHei","Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,serif;
  --mono:"SFMono-Regular","JetBrains Mono","Cascadia Code",Consolas,"Liberation Mono","FandolHei",monospace;
  --inspector-w:424px; --tools-w:252px; --rail-w:64px;
}
body[data-theme="light"]{
  --bg:#e8edf4; --bg-2:#f1f5f9; --panel:#ffffff; --panel-2:#f6f8fb; --panel-3:#edf2f8;
  --line:#dce4ee; --line-soft:rgba(50,80,120,.1); --text:#1c2a3d; --muted:#67788e;
  --dim:#94a2b4; --accent:#e85a3b; --accent-2:#0f9c91; --blue:#356fd6; --gold:#b47b10;
  --violet:#7c4dbc; --pink:#d94b67; --success:#0e9f6e; --canvas:#fbf8f0; --canvas-2:#f4efe4;
  --canvas-ink:#263141; --grid:#e3dccd; --grid-strong:#d7cebb;
  --shadow:0 22px 60px rgba(25,45,80,.16); --soft-shadow:0 8px 24px rgba(25,45,80,.1);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
button:disabled{opacity:.42;cursor:not-allowed}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:20px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-track{background:transparent}
::selection{background:rgba(255,122,89,.3)}

.app-shell{height:100vh;display:flex;flex-direction:column;background:
  radial-gradient(1200px 600px at 8% -10%, rgba(255,122,89,.075), transparent 60%),
  radial-gradient(900px 500px at 105% 110%, rgba(79,209,197,.055), transparent 60%),
  var(--bg);min-height:600px}
.topbar{height:66px;min-height:66px;display:flex;align-items:center;gap:18px;padding:0 18px 0 20px;border-bottom:1px solid var(--line);background:linear-gradient(180deg, rgba(255,255,255,.018), transparent), var(--panel);z-index:20;position:relative}
.brand{display:flex;align-items:center;gap:12px;min-width:282px}
.brand-mark{width:38px;height:38px;border-radius:11px;color:var(--accent);display:grid;place-items:center;border:1px solid rgba(255,122,89,.28);background:linear-gradient(145deg, rgba(255,122,89,.16), rgba(255,122,89,.02));box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.brand-mark svg{width:31px;height:31px;stroke-width:1.1}
.brand-text{display:flex;flex-direction:column;gap:2px}
.brand-text strong{font-family:var(--mono);font-size:17px;letter-spacing:.08em;font-weight:700;line-height:1.1}
.brand-text span{font-size:9px;letter-spacing:.13em;color:var(--dim);font-weight:600;white-space:nowrap}
.version-chip{font-family:var(--mono);font-size:9px;color:var(--accent);border:1px solid rgba(255,122,89,.26);background:rgba(255,122,89,.07);border-radius:5px;padding:2px 5px;align-self:flex-start;margin-top:2px}
.doc-cluster{display:flex;align-items:center;gap:9px;flex:1;min-width:0;justify-content:center}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px rgba(79,209,197,.1);flex:none}
.doc-name{border:1px solid transparent;background:transparent;border-radius:7px;padding:6px 9px;font-size:13px;font-weight:600;color:var(--text);width:min(300px,34vw);text-align:center;outline:none;transition:.15s}
.doc-name:hover{background:var(--panel-2);border-color:var(--line)}
.doc-name:focus{background:var(--panel-2);border-color:var(--line);box-shadow:0 0 0 3px rgba(255,122,89,.08)}
.save-state{font-family:var(--mono);font-size:9px;color:var(--dim);letter-spacing:.03em;white-space:nowrap;padding-left:9px;border-left:1px solid var(--line)}
.top-actions{display:flex;align-items:center;gap:6px;justify-content:flex-end}
.icon-btn{width:34px;height:34px;border-radius:8px;color:var(--muted);display:grid;place-items:center;transition:.16s;flex:none}
.icon-btn:hover{background:var(--panel-2);color:var(--text)}
.icon-btn.small{width:28px;height:28px}
.icon-btn.small svg{width:15px;height:15px}
.v-divider{width:1px;height:22px;background:var(--line);margin:0 5px}
.soft-btn{height:34px;display:inline-flex;align-items:center;gap:7px;padding:0 11px;border-radius:8px;border:1px solid var(--line);background:var(--panel-2);color:var(--muted);font-size:11px;font-weight:600;transition:.16s;white-space:nowrap}
.soft-btn svg{width:15px;height:15px}
.soft-btn:hover{color:var(--text);border-color:#31445f;background:var(--panel-3)}
.ai-btn{height:36px;margin-left:7px;display:inline-flex;align-items:center;gap:7px;padding:0 12px 0 13px;border-radius:9px;color:#1a0d09;background:linear-gradient(135deg,#ff956f,#ff6c4c 58%,#f2553a);box-shadow:0 7px 22px rgba(255,107,76,.23), inset 0 1px 0 rgba(255,255,255,.38);font-size:11px;font-weight:800;transition:.18s;white-space:nowrap}
.ai-btn:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(255,107,76,.32)}
.ai-btn:active{transform:translateY(0)}
.ai-btn .spark{font-size:14px;line-height:1}
.ai-btn kbd{font-family:var(--mono);font-size:8px;padding:2px 4px;border-radius:4px;background:rgba(30,10,5,.18);color:rgba(35,15,10,.72)}
body[data-theme="light"] .ai-btn{color:#fff}

.workspace{flex:1;display:flex;min-height:0;padding:10px;gap:8px}
.rail{width:var(--rail-w);min-width:var(--rail-w);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius) 0 0 var(--radius);display:flex;flex-direction:column;align-items:center;gap:4px;padding:13px 8px 10px;box-shadow:var(--soft-shadow);z-index:6}
.rail-btn{position:relative;width:44px;height:46px;border-radius:9px;color:var(--dim);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;transition:.16s;flex:none}
.rail-btn svg{width:20px;height:20px}
.rail-btn span{font-size:8px;letter-spacing:.02em;font-weight:600}
.rail-btn:hover{background:var(--panel-2);color:var(--text)}
.rail-btn.active{color:var(--accent);background:rgba(255,122,89,.09)}
.rail-btn.active:before{content:"";position:absolute;left:-8px;top:13px;bottom:13px;width:2.5px;border-radius:4px;background:var(--accent)}
.rail-sep{width:28px;height:1px;background:var(--line);margin:5px 0}
.rail-spacer{flex:1}
.rail-btn.small{width:38px;height:38px}.rail-btn.small svg{width:17px;height:17px}

.tools-panel{width:var(--tools-w);min-width:var(--tools-w);background:var(--panel);border:1px solid var(--line);border-left:0;border-radius:0 var(--radius) var(--radius) 0;display:flex;flex-direction:column;box-shadow:var(--soft-shadow);z-index:5;margin-right:2px;overflow:hidden}
.panel-head{padding:19px 16px 13px;border-bottom:1px solid var(--line)}
.eyebrow{font-family:var(--mono);font-size:8px;letter-spacing:.15em;color:var(--dim);font-weight:700}
.panel-head h2,.inspector-head h2{font-size:16px;margin:7px 0 0;font-weight:700;letter-spacing:-.02em}
.panel-head p{font-size:10px;line-height:1.55;color:var(--muted);margin:6px 0 0}
.tool-list{padding:10px;overflow-y:auto;flex:1;display:grid;grid-template-columns:1fr 1fr;gap:5px;align-content:start}
.tool-card{position:relative;border:1px solid transparent;border-radius:9px;background:transparent;text-align:left;padding:9px 8px 8px;transition:.15s;min-height:70px;color:var(--muted)}
.tool-card:hover{background:var(--panel-2);border-color:var(--line);color:var(--text)}
.tool-card.active{background:linear-gradient(145deg,rgba(255,122,89,.13),rgba(255,122,89,.035));border-color:rgba(255,122,89,.3);color:var(--text)}
.tool-card .tico{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px}
.tool-card .tico svg{width:18px;height:18px;color:var(--dim);stroke-width:1.6}
.tool-card.active .tico svg{color:var(--accent)}
.tool-card strong{display:block;font-size:10.5px;font-weight:650;line-height:1.25;letter-spacing:.01em}
.tool-card small{display:block;margin-top:3px;font-size:8.5px;line-height:1.35;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tool-card.active small{color:var(--muted)}
.tool-card .key-hint{position:absolute;right:7px;bottom:7px;font-family:var(--mono);font-size:7.5px;color:var(--dim);border:1px solid var(--line);border-radius:3px;padding:0 3px;line-height:13px}
.tool-config{padding:0 12px;max-height:150px;overflow-y:auto}
.tool-config:empty{display:none}
.tool-config-inner{border-top:1px solid var(--line);padding:11px 2px}
.tool-config label{display:block;font-size:9px;color:var(--dim);margin-bottom:6px;letter-spacing:.04em}
.tool-config .param-row{display:flex;gap:5px}
.tool-config input,.tool-config select{width:100%;height:32px;border-radius:6px;border:1px solid var(--line);background:var(--panel-2);padding:0 8px;font-family:var(--mono);font-size:10px;outline:none;color:var(--text)}
.tool-config input:focus{border-color:rgba(255,122,89,.5)}
.tool-config .mini-btn{border:1px solid var(--line);background:var(--panel-2);border-radius:6px;padding:0 9px;font-size:9px;color:var(--muted)}
.tools-foot{padding:11px 13px 13px;border-top:1px solid var(--line);background:var(--panel)}
.kbd-row{display:grid;grid-template-columns:auto 1fr auto 1fr;align-items:center;gap:5px;font-size:8.5px;color:var(--dim);margin-bottom:9px}
kbd{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:17px;padding:0 4px;font-family:var(--mono);font-size:8px;border:1px solid var(--line);border-bottom-color:#2c3e59;border-radius:4px;background:var(--panel-2);color:var(--muted)}
.ghost-link{width:100%;display:flex;align-items:center;gap:7px;font-size:9px;color:var(--dim);padding:6px 2px;border-radius:6px;text-align:left}
.ghost-link span{font-family:var(--mono);border:1px solid var(--line);border-radius:3px;padding:1px 3px;font-size:8px}
.ghost-link:hover{color:var(--text);background:var(--panel-2)}

.stage{flex:1;min-width:300px;position:relative;border-radius:var(--radius);overflow:hidden;background:var(--canvas);border:1px solid #d8d1c3;box-shadow:var(--shadow);cursor:crosshair;isolation:isolate}
.stage:before{content:"";position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(900px 500px at 80% 10%, rgba(255,255,255,.4), transparent 60%),
  linear-gradient(180deg, rgba(255,255,255,.16), transparent 25%);
  mix-blend-mode:soft-light;z-index:1}
#board{width:100%;height:100%;display:block;touch-action:none;cursor:inherit;position:absolute;inset:0}
.stage-head{position:absolute;top:0;left:0;right:0;height:58px;display:flex;align-items:center;gap:12px;padding:12px 16px;z-index:4;pointer-events:none;background:linear-gradient(180deg,rgba(245,241,232,.88),rgba(245,241,232,.45) 65%,transparent);color:var(--canvas-ink)}
body[data-theme="light"] .stage-head{background:linear-gradient(180deg,rgba(251,248,240,.92),rgba(251,248,240,.3),transparent)}
.mode-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 9px;border-radius:7px;background:rgba(255,255,255,.62);border:1px solid rgba(70,85,100,.16);backdrop-filter:blur(7px);font-size:10px;font-weight:700;color:#384556;white-space:nowrap}
.mode-pulse{width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(255,122,89,.16);animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(255,122,89,0)}}
.stage-hint{font-size:9.5px;color:#7b817f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-left:2px}
.stage-meta{margin-left:auto;display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:8.5px;color:#828780;white-space:nowrap}
.stage-meta i{font-style:normal;color:#b5b5aa}
.stage-tools{position:absolute;right:14px;bottom:58px;display:flex;flex-direction:column;gap:5px;z-index:5}
.round-btn{width:32px;height:32px;border-radius:7px;background:rgba(255,255,255,.78);border:1px solid rgba(80,95,110,.16);color:#58636d;display:grid;place-items:center;backdrop-filter:blur(8px);box-shadow:0 3px 12px rgba(40,50,60,.07);transition:.15s}
.round-btn svg{width:14px;height:14px}
.round-btn:hover{background:#fff;color:var(--accent);transform:translateY(-1px)}
.stage-bottom{position:absolute;left:15px;right:64px;bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;z-index:4;pointer-events:none}
.coord-readout{font-family:var(--mono);font-size:8.5px;background:rgba(255,255,255,.7);border:1px solid rgba(80,95,110,.14);padding:5px 8px;border-radius:5px;color:#6d777b;backdrop-filter:blur(8px)}
.stage-tip{font-size:8.5px;color:#94978e;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-fab{position:absolute;right:14px;bottom:14px;z-index:6;display:flex;align-items:center;gap:7px;padding:8px 11px;border-radius:8px;background:linear-gradient(135deg,rgba(27,38,54,.94),rgba(15,25,40,.96));color:#f0eee7;border:1px solid rgba(255,255,255,.13);box-shadow:0 9px 28px rgba(8,15,25,.3);backdrop-filter:blur(10px);transition:.18s}
.ai-fab:hover{transform:translateY(-1px);box-shadow:0 12px 34px rgba(8,15,25,.38)}
.ai-fab .spark{color:var(--accent);font-size:13px}
.ai-fab>span:nth-child(2){font-size:9.5px;font-weight:700;letter-spacing:.02em}
.ai-fab small{font-size:7.5px;color:#93a1b2;border-left:1px solid rgba(255,255,255,.14);padding-left:7px;letter-spacing:.04em}

.inspector{width:var(--inspector-w);min-width:var(--inspector-w);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--soft-shadow);z-index:5}
.inspector-head{padding:16px 16px 11px;display:flex;align-items:flex-start;justify-content:space-between}
.inspector-head h2{font-size:16px}
.inspector-tabs{display:flex;gap:1px;padding:0 9px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.inspector-tabs::-webkit-scrollbar{display:none}
.inspector-tabs button{position:relative;display:flex;align-items:center;gap:5px;padding:9px 8px 10px;font-size:9.5px;font-weight:600;color:var(--dim);white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-1px;transition:.15s}
.inspector-tabs button span{font-size:12px;opacity:.85}
.inspector-tabs button:hover{color:var(--muted)}
.inspector-tabs button.active{color:var(--text);border-bottom-color:var(--accent)}
.inspector-tabs button.active span{color:var(--accent)}
.tab-badge{font-style:normal;font-family:var(--mono);font-size:7px;background:rgba(255,122,89,.15);color:var(--accent);border-radius:8px;padding:1px 4px;line-height:1.4}
.inspector-body{flex:1;overflow-y:auto;overflow-x:hidden;padding:14px 14px 18px;scroll-behavior:smooth}
.inspector-foot{height:32px;border-top:1px solid var(--line);display:flex;align-items:center;gap:6px;padding:0 13px;font-family:var(--mono);font-size:7.5px;letter-spacing:.04em;color:var(--dim);background:var(--panel-2)}
.inspector-foot .foot-spacer{flex:1}
.status-dot{width:5px;height:5px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(52,211,153,.09);flex:none}
.status-dot.off{background:var(--gold);box-shadow:0 0 0 3px rgba(246,199,107,.1)}
#stats-label{border-left:1px solid var(--line);padding-left:7px;margin-left:3px}

/* inspector content primitives */
.section{margin-bottom:16px}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.section-title{font-size:9px;font-weight:700;letter-spacing:.1em;color:var(--dim);text-transform:uppercase;font-family:var(--mono)}
.section-action{font-size:8.5px;color:var(--dim);border:1px solid var(--line);border-radius:5px;padding:4px 7px}
.section-action:hover{color:var(--text);background:var(--panel-2)}
.hero-card{border:1px solid var(--line);border-radius:11px;background:linear-gradient(150deg,var(--panel-2),rgba(17,29,47,.4));padding:12px;margin-bottom:10px;position:relative;overflow:hidden}
.hero-card:after{content:"";position:absolute;width:130px;height:130px;border-radius:50%;right:-50px;top:-60px;border:1px solid rgba(255,122,89,.13);pointer-events:none}
.hero-kicker{font-family:var(--mono);font-size:7.5px;letter-spacing:.12em;color:var(--accent);margin-bottom:5px}
.hero-title{font-size:13px;font-weight:700;line-height:1.45;margin:0 0 6px;letter-spacing:-.01em}
.hero-desc{font-size:9.5px;line-height:1.65;color:var(--muted);margin:0}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:8px 0 10px}
.stat-card{border:1px solid var(--line);border-radius:8px;background:var(--panel-2);padding:8px 9px}
.stat-card .k{display:block;font-size:7.5px;letter-spacing:.06em;color:var(--dim);margin-bottom:3px;font-family:var(--mono)}
.stat-card .v{font-family:var(--mono);font-size:12px;color:var(--text);font-weight:600}
.stat-card .v small{font-size:7.5px;color:var(--dim);font-weight:400;margin-left:2px}
.metric-strip{display:flex;gap:4px;flex-wrap:wrap}
.metric-pill{font-family:var(--mono);font-size:7.5px;padding:3px 6px;border-radius:4px;background:var(--panel-2);border:1px solid var(--line);color:var(--muted)}
.metric-pill b{color:var(--text);font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;height:31px;padding:0 10px;border-radius:7px;border:1px solid var(--line);background:var(--panel-2);color:var(--muted);font-size:9.5px;font-weight:600;transition:.15s;white-space:nowrap}
.btn svg{width:13px;height:13px}
.btn:hover{border-color:#344862;color:var(--text);background:var(--panel-3)}
.btn.primary{background:linear-gradient(135deg,#ff8c67,#ff6b4b);border-color:transparent;color:#24100a;font-weight:800;box-shadow:0 5px 15px rgba(255,107,75,.18)}
.btn.primary:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;border-color:var(--line)}
.btn.danger{color:var(--danger)}
.btn.full{width:100%}
.btn-row{display:flex;gap:5px;flex-wrap:wrap}
.btn-row .btn{flex:1}
.seg{display:flex;padding:2px;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;gap:2px}
.seg button{flex:1;padding:6px 4px;border-radius:5px;font-size:8.5px;font-weight:600;color:var(--dim);transition:.15s;white-space:nowrap}
.seg button.on{background:var(--panel-3);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.18)}
body[data-theme="light"] .seg button.on{background:#fff;box-shadow:0 1px 4px rgba(20,40,70,.08)}
.field{display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid var(--line-soft);padding:7px 0;font-size:9.5px;color:var(--dim)}
.field:last-child{border-bottom:0}
.field b{color:var(--text);font-weight:600;text-align:right;font-family:var(--mono);font-size:8.5px;max-width:65%;overflow:hidden;text-overflow:ellipsis}
.input{width:100%;height:32px;border:1px solid var(--line);border-radius:6px;background:var(--panel-2);padding:0 8px;font-size:10px;outline:none;color:var(--text)}
.input:focus{border-color:rgba(255,122,89,.55);box-shadow:0 0 0 3px rgba(255,122,89,.07)}
textarea.input{height:64px;padding:7px 8px;resize:vertical;font-family:var(--sans);line-height:1.5}
.empty-state{text-align:center;padding:24px 10px 18px;color:var(--dim)}
.empty-state .glyph{font-family:var(--serif);font-size:32px;color:var(--line);line-height:1;margin-bottom:9px}
.empty-state h3{font-size:11px;color:var(--muted);margin:0 0 5px;font-weight:600}
.empty-state p{font-size:9px;line-height:1.65;margin:0 auto;max-width:250px}
.obj-group{margin-bottom:11px}
.obj-group-head{display:flex;align-items:center;gap:5px;padding:4px 2px 5px;color:var(--dim);font-size:8px;letter-spacing:.06em;font-weight:600}
.obj-group-head span{font-family:var(--mono)}
.obj-row{display:flex;align-items:center;gap:7px;padding:6px 6px;border-radius:6px;border:1px solid transparent;color:var(--muted);transition:.12s;width:100%;text-align:left}
.obj-row:hover{background:var(--panel-2);border-color:var(--line-soft)}
.obj-row.selected{background:rgba(255,122,89,.075);border-color:rgba(255,122,89,.22);color:var(--text)}
.obj-swatch{width:7px;height:7px;border-radius:50%;flex:none;box-shadow:0 0 0 2px rgba(255,255,255,.04)}
.obj-swatch.line{width:12px;height:2px;border-radius:2px}
.obj-swatch.circle{width:8px;height:8px;border-radius:50%;background:transparent!important;border:1.5px solid currentColor}
.obj-name{font-size:9.5px;font-weight:600;min-width:20px;color:inherit}
.obj-type{font-size:7.5px;color:var(--dim);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.obj-eye{width:20px;height:20px;display:grid;place-items:center;border-radius:4px;color:var(--dim);opacity:.6}
.obj-eye:hover{opacity:1;background:var(--panel-3);color:var(--text)}
.obj-eye svg{width:12px;height:12px}
.detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:8px}
.detail-actions .btn{width:100%}
.swatches{display:flex;gap:4px;flex-wrap:wrap}
.swatch{width:16px;height:16px;border-radius:50%;border:1px solid rgba(255,255,255,.18);transition:.15s}
.swatch.on{outline:2px solid var(--text);outline-offset:2px}
.toggle{position:relative;width:29px;height:16px;border-radius:10px;background:var(--line);transition:.15s;flex:none}
.toggle:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:3px;left:3px;transition:.15s}
.toggle.on{background:var(--accent)}
.toggle.on:after{left:16px}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 0;font-size:9px;color:var(--muted);border-bottom:1px solid var(--line-soft)}
.switch-row:last-child{border-bottom:0}
.switch-row b{font-weight:500;color:var(--muted)}
.center-row{display:flex;align-items:center;gap:7px;padding:6px 6px;border-radius:6px;border:1px solid transparent;transition:.12s;cursor:pointer}
.center-row:hover{background:var(--panel-2);border-color:var(--line-soft)}
.center-row.on{background:rgba(255,255,255,.02);border-color:var(--line-soft)}
.center-sym{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-family:var(--serif);font-size:10px;font-weight:700;background:var(--panel-2);border:1px solid var(--line);flex:none}
.center-info{flex:1;min-width:0}
.center-info strong{display:block;font-size:9px;font-weight:600;color:var(--text);line-height:1.3}
.center-info small{display:block;font-size:7.5px;color:var(--dim);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.center-coord{font-family:var(--mono);font-size:7.5px;color:var(--dim)}
.center-add{width:22px;height:22px;border-radius:5px;border:1px solid var(--line);color:var(--dim);display:grid;place-items:center;font-size:12px;flex:none}
.center-add:hover{color:var(--accent);border-color:rgba(255,122,89,.35)}

/* AI panel */
.ai-status{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);padding:8px 9px;margin-bottom:10px;font-size:8.5px;color:var(--muted);line-height:1.5}
.ai-status .orb{width:16px;height:16px;border-radius:50%;background:conic-gradient(from 0deg,var(--accent),var(--violet),var(--accent-2),var(--accent));flex:none;animation:spin 5s linear infinite;mask:radial-gradient(circle at center, transparent 38%, #000 40%)}
@keyframes spin{to{transform:rotate(360deg)}}
.ai-status b{color:var(--text);font-weight:600}
.ai-status .st{margin-left:auto;font-family:var(--mono);font-size:7px;color:var(--success);border:1px solid rgba(52,211,153,.22);background:rgba(52,211,153,.06);border-radius:4px;padding:2px 5px;white-space:nowrap}
.goal-card{border:1px solid rgba(255,122,89,.25);background:linear-gradient(150deg,rgba(255,122,89,.09),rgba(255,122,89,.015));border-radius:10px;padding:11px;margin-bottom:10px}
.goal-top{display:flex;align-items:center;gap:5px;margin-bottom:6px;font-family:var(--mono);font-size:7px;letter-spacing:.1em;color:var(--accent);text-transform:uppercase}
.goal-text{font-size:12px;font-weight:650;line-height:1.55;color:var(--text);margin:0}
.goal-meta{display:flex;gap:5px;flex-wrap:wrap;margin-top:8px}
.tag{font-size:7.5px;padding:2px 5px;border-radius:4px;background:var(--panel-2);border:1px solid var(--line);color:var(--dim);white-space:nowrap}
.tag.accent{color:var(--accent);border-color:rgba(255,122,89,.25);background:rgba(255,122,89,.06)}
.tag.green{color:var(--success);border-color:rgba(52,211,153,.24);background:rgba(52,211,153,.06)}
.tag.blue{color:var(--blue);border-color:rgba(122,162,255,.24);background:rgba(122,162,255,.07)}
.run-btn{width:100%;height:38px;border-radius:8px;background:linear-gradient(135deg,#ff8e68,#ff6849);color:#24100a;font-size:10.5px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:7px;box-shadow:0 7px 20px rgba(255,104,73,.18);transition:.16s;margin:9px 0}
.run-btn:hover{filter:brightness(1.06);transform:translateY(-1px)}
.run-btn:disabled{filter:grayscale(.4);transform:none}
.run-btn svg{width:15px;height:15px}
.solution-tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin:12px 0 9px}
.solution-tabs button{padding:7px 8px 8px;font-size:8.5px;font-weight:600;color:var(--dim);border-bottom:2px solid transparent;margin-bottom:-1px}
.solution-tabs button.on{color:var(--accent);border-bottom-color:var(--accent)}
.proof-step{display:flex;gap:8px;padding:8px 0;border-bottom:1px dashed var(--line-soft)}
.proof-step:last-child{border-bottom:0}
.step-num{font-family:var(--mono);font-size:8px;color:var(--accent);border:1px solid rgba(255,122,89,.25);border-radius:50%;width:17px;height:17px;display:grid;place-items:center;flex:none;margin-top:1px;background:rgba(255,122,89,.05)}
.proof-step p{font-size:9px;line-height:1.72;color:var(--muted);margin:0}
.proof-step p b{color:var(--text);font-weight:600}
.verdict{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:8px;border:1px solid var(--line);background:var(--panel-2);margin-bottom:9px}
.verdict.ok{border-color:rgba(52,211,153,.25);background:rgba(52,211,153,.045)}
.verdict.bad{border-color:rgba(251,113,133,.25);background:rgba(251,113,133,.04)}
.verdict-icon{width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:rgba(52,211,153,.12);color:var(--success);font-size:12px;flex:none}
.verdict.bad .verdict-icon{background:rgba(251,113,133,.12);color:var(--danger)}
.verdict strong{display:block;font-size:9.5px;color:var(--text);font-weight:650;line-height:1.3}
.verdict small{display:block;font-size:7.5px;color:var(--dim);margin-top:2px;font-family:var(--mono)}
.confidence{margin-left:auto;text-align:right}
.confidence b{font-family:var(--mono);font-size:15px;color:var(--success);font-weight:600;line-height:1}
.confidence small{font-size:6.5px;color:var(--dim);letter-spacing:.06em}
.proof-card{border:1px solid var(--line);border-radius:9px;background:var(--panel-2);padding:10px;margin-bottom:9px}
.proof-card h4{margin:0 0 5px;font-size:10px;font-weight:650;color:var(--text);display:flex;align-items:center;gap:5px}
.proof-card h4 span{font-family:var(--mono);font-size:7px;color:var(--accent);border:1px solid rgba(255,122,89,.2);padding:1px 4px;border-radius:3px}
.proof-card p{font-size:8.8px;line-height:1.7;color:var(--muted);margin:0}
.computation{font-family:var(--mono);font-size:8px;line-height:1.8;color:var(--muted);background:rgba(0,0,0,.16);border:1px solid var(--line);border-radius:7px;padding:8px;overflow-x:auto;white-space:pre-wrap;word-break:break-all}
body[data-theme="light"] .computation{background:var(--panel-3)}
.relation-card{border:1px solid var(--line);border-radius:8px;padding:9px;margin-bottom:6px;background:var(--panel-2);cursor:pointer;transition:.14s;position:relative;overflow:hidden}
.relation-card:hover{border-color:#344a67;transform:translateY(-1px);background:var(--panel-3)}
.relation-card.on{border-color:rgba(79,209,197,.4);background:rgba(79,209,197,.06)}
.relation-card .rc-top{display:flex;align-items:center;gap:5px;margin-bottom:5px}
.rc-kind{font-family:var(--mono);font-size:7px;letter-spacing:.05em;color:var(--accent-2);text-transform:uppercase}
.rc-score{margin-left:auto;font-family:var(--mono);font-size:7px;color:var(--dim)}
.rc-score b{color:var(--gold);font-weight:600}
.relation-card strong{display:block;font-size:9.5px;line-height:1.5;font-weight:600;color:var(--text);margin-bottom:3px}
.relation-card small{display:block;font-size:7.5px;line-height:1.5;color:var(--dim)}
.relation-card .theorem{display:inline-block;margin-top:4px;font-size:7px;color:var(--violet);border:1px solid rgba(192,132,252,.22);border-radius:3px;padding:1px 4px}
.scan-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:8px 0}
.scan-check{display:flex;align-items:center;gap:5px;padding:6px;border:1px solid var(--line);border-radius:5px;background:var(--panel-2);font-size:8px;color:var(--muted);cursor:pointer}
.scan-check input{accent-color:var(--accent);width:11px;height:11px;margin:0}
.scan-check.on{border-color:rgba(255,122,89,.22)}
.scan-meta{display:flex;align-items:center;justify-content:space-between;font-size:7.5px;color:var(--dim);font-family:var(--mono);margin:6px 0}
.progress{height:2px;background:var(--line);border-radius:3px;overflow:hidden;margin:8px 0}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--violet));transition:width .3s}
.problem-card{border:1px solid var(--line);border-radius:10px;background:var(--panel-2);padding:11px;margin-bottom:8px;transition:.15s}
.problem-card:hover{border-color:#344a67}
.problem-card .pc-top{display:flex;align-items:center;gap:5px;margin-bottom:6px}
.pc-index{font-family:var(--mono);font-size:7px;color:var(--accent);border:1px solid rgba(255,122,89,.25);border-radius:3px;padding:1px 4px}
.pc-diff{font-family:var(--mono);font-size:7px;color:var(--gold);letter-spacing:.05em;margin-left:auto}
.problem-card h4{font-size:11px;font-weight:650;line-height:1.45;margin:0 0 5px;color:var(--text)}
.problem-card p{font-size:8.5px;line-height:1.65;color:var(--muted);margin:0 0 7px}
.problem-card .pc-tags{display:flex;gap:3px;flex-wrap:wrap;margin-bottom:7px}
.problem-card .pc-actions{display:flex;gap:4px}
.problem-card .pc-actions .btn{flex:1;height:27px;font-size:8px}

/* library */
.library-search{position:relative;margin-bottom:10px}
.library-search input{width:100%;height:34px;border:1px solid var(--line);border-radius:7px;background:var(--panel-2);padding:0 10px 0 30px;font-size:9.5px;outline:none;color:var(--text)}
.library-search input:focus{border-color:rgba(255,122,89,.45)}
.library-search svg{position:absolute;left:9px;top:9px;width:14px;height:14px;color:var(--dim)}
.filter-row{display:flex;gap:4px;margin-bottom:10px;flex-wrap:wrap}
.filter-chip{font-size:8px;padding:4px 8px;border-radius:20px;border:1px solid var(--line);color:var(--dim);background:transparent}
.filter-chip.on{color:var(--accent);border-color:rgba(255,122,89,.3);background:rgba(255,122,89,.06)}
.library-card{border:1px solid var(--line);border-radius:10px;background:var(--panel-2);padding:10px;margin-bottom:8px;display:flex;gap:10px;cursor:pointer;transition:.16s}
.library-card:hover{border-color:#344a67;transform:translateY(-1px);background:var(--panel-3)}
.lib-glyph{width:58px;height:52px;border-radius:8px;border:1px solid var(--line);background:linear-gradient(150deg,rgba(122,162,255,.08),rgba(255,255,255,.015));color:var(--muted);display:grid;place-items:center;flex:none}
.lib-glyph svg{width:48px;height:38px;stroke-width:1.1}
.lib-info{flex:1;min-width:0}
.lib-info h4{font-size:10px;font-weight:650;margin:0 0 3px;color:var(--text)}
.lib-info p{font-size:8px;line-height:1.55;color:var(--dim);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lib-info .tags{display:flex;gap:3px;flex-wrap:wrap;margin-top:5px}
.lib-info .tag{font-size:6.5px;padding:1px 4px}
.lib-difficulty{font-family:var(--mono);font-size:7px;color:var(--gold);white-space:nowrap;align-self:flex-start;letter-spacing:.05em}

/* toasts */
.toasts{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;align-items:center;gap:6px;pointer-events:none}
.toast{background:rgba(18,29,47,.97);color:#e8eef8;border:1px solid var(--line);border-radius:8px;padding:8px 13px;font-size:9.5px;box-shadow:0 12px 35px rgba(0,0,0,.35);display:flex;align-items:center;gap:7px;animation:toastIn .2s both}
.toast .dot{width:5px;height:5px;border-radius:50%;background:var(--accent-2)}
.toast.error .dot{background:var(--danger)}
.toast.warn .dot{background:var(--gold)}
@keyframes toastIn{from{opacity:0;transform:translateY(7px)}}

/* modal */
.modal-backdrop{position:fixed;inset:0;z-index:80;background:rgba(3,7,14,.62);backdrop-filter:blur(7px);display:grid;place-items:center;padding:18px;animation:fade .16s}
@keyframes fade{from{opacity:0}}
.modal{width:min(500px,96vw);max-height:88vh;overflow:auto;border-radius:14px;border:1px solid var(--line);background:var(--panel);box-shadow:0 40px 100px rgba(0,0,0,.55);animation:modalIn .2s}
@keyframes modalIn{from{opacity:0;transform:translateY(10px) scale(.985)}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 12px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:14px;margin:3px 0 0}
.modal-body{padding:14px 18px}
.modal-foot{display:flex;justify-content:flex-end;gap:6px;padding:11px 18px 15px}
.modal .setting-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line-soft);font-size:10px;color:var(--muted)}
.modal .setting-row:last-child{border-bottom:0}
.modal .setting-row strong{display:block;color:var(--text);font-size:10px;font-weight:600}
.modal .setting-row small{display:block;color:var(--dim);font-size:8px;margin-top:2px;max-width:290px;line-height:1.5}
.shortcut-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;margin-top:8px}
.shortcut-row{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:var(--muted);padding:4px 0;border-bottom:1px solid var(--line-soft)}
.export-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.export-option{border:1px solid var(--line);background:var(--panel-2);border-radius:8px;padding:11px;text-align:left;transition:.15s}
.export-option:hover{border-color:rgba(255,122,89,.35);background:var(--panel-3)}
.export-option strong{display:block;font-size:10px;color:var(--text);font-weight:600;margin-bottom:3px}
.export-option small{display:block;font-size:8px;color:var(--dim);line-height:1.45}

/* command palette */
.cmdk{position:fixed;inset:0;z-index:90;background:rgba(3,7,14,.5);backdrop-filter:blur(4px);display:flex;justify-content:center;padding-top:14vh}
.cmdk-panel{width:min(620px,92vw);max-height:62vh;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:0 30px 100px rgba(0,0,0,.6);overflow:hidden;display:flex;flex-direction:column;animation:modalIn .16s}
.cmdk-head{display:flex;align-items:center;gap:9px;padding:12px 14px;border-bottom:1px solid var(--line)}
.cmdk-head span{color:var(--accent);font-family:var(--mono);font-size:13px}
.cmdk-head input{flex:1;border:0;background:transparent;outline:none;font-size:12px;color:var(--text)}
.cmdk-head kbd{font-size:7px}
.cmdk-list{overflow-y:auto;padding:6px}
.cmdk-item{display:flex;align-items:center;gap:9px;width:100%;padding:8px 9px;border-radius:6px;text-align:left;color:var(--muted)}
.cmdk-item:hover,.cmdk-item.on{background:var(--panel-2);color:var(--text)}
.cmdk-item .ci-icon{width:25px;height:25px;border-radius:6px;background:var(--panel-3);display:grid;place-items:center;color:var(--accent);font-size:11px;flex:none}
.cmdk-item .ci-text strong{display:block;font-size:10px;font-weight:600}
.cmdk-item .ci-text small{display:block;font-size:8px;color:var(--dim);margin-top:1px}
.cmdk-item .ci-key{margin-left:auto;font-family:var(--mono);font-size:7px;color:var(--dim);border:1px solid var(--line);padding:1px 4px;border-radius:3px}
.cmdk-foot{display:flex;gap:15px;padding:8px 13px;border-top:1px solid var(--line);font-size:7.5px;color:var(--dim);font-family:var(--mono)}

/* responsive */
@media(max-width:1500px){:root{--inspector-w:390px;--tools-w:238px}}
@media(max-width:1320px){:root{--inspector-w:360px;--tools-w:222px}.brand{min-width:228px}.brand-text span{display:none}.doc-name{width:24vw}}
@media(max-width:1120px){:root{--inspector-w:340px;--tools-w:206px}.soft-btn span{display:none}.soft-btn{padding:0 9px}.ai-btn kbd{display:none}.brand{min-width:190px}.version-chip{display:none}}
@media(max-width:940px){:root{--tools-w:0px;--rail-w:58px}.tools-panel{display:none}.brand{min-width:170px}.doc-cluster{justify-content:flex-start}.doc-name{text-align:left;width:22vw}.inspector{position:absolute;right:10px;top:76px;bottom:10px;width:min(380px,calc(100vw - 90px));z-index:40;box-shadow:0 20px 70px rgba(0,0,0,.6)}.inspector.hidden{transform:translateX(calc(100% + 20px));opacity:0;pointer-events:none}.inspector{transition:.2s}}
@media(max-width:720px){.brand-text strong{font-size:15px}.save-state{display:none}.topbar{padding:0 9px;gap:7px}.top-actions .soft-btn,.top-actions .icon-btn{display:none}.ai-btn{padding:0 9px}.ai-btn span:nth-child(2){display:none}.ai-btn kbd{display:none}.doc-cluster{display:none}.stage-head{padding:10px}.stage-hint{display:none}.stage-meta span:nth-child(3),.stage-meta i:nth-of-type(2){display:none}.ai-fab small{display:none}.stage-tip{display:none}.inspector{top:70px;right:7px;bottom:7px;width:calc(100vw - 75px)}.rail{width:52px;min-width:52px;padding:9px 5px}.rail-btn{width:40px;height:42px}.tool-list{grid-template-columns:1fr}.workspace{padding:6px;gap:5px}}

.quick-card{grid-column:1/-1;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);padding:8px;text-align:left;margin-top:1px;transition:.15s;color:var(--muted)}
.quick-card:hover{border-color:rgba(255,122,89,.3);background:var(--panel-3);transform:translateX(1px)}
.quick-card .qk{width:26px;height:26px;border-radius:7px;background:var(--panel-3);display:grid;place-items:center;color:var(--dim);flex:none}.quick-card .qk.accent{color:var(--accent);background:rgba(255,122,89,.08)}
.quick-card .qk svg{width:14px;height:14px}.quick-card>span:nth-child(2){flex:1;min-width:0}.quick-card strong{display:block;font-size:9px;font-weight:650;color:var(--text);line-height:1.3}.quick-card small{display:block;font-size:7.5px;color:var(--dim);margin-top:2px}.quick-card i{font-style:normal;color:var(--dim);font-size:11px}

/* ==========================================================================
   2.0 · Compact sketchpad pass
   Flatter surfaces, denser controls, more canvas.
   ========================================================================== */
:root{--inspector-w:364px;--tools-w:206px;--rail-w:54px;--radius:8px;--radius-sm:6px;--soft-shadow:none;--shadow:0 10px 26px rgba(0,0,0,.22)}
.app-shell{background:var(--bg)}
.topbar{height:54px;min-height:54px;padding:0 12px;gap:10px;background:var(--panel)}
.brand{min-width:214px;gap:8px}
.brand-mark{width:30px;height:30px;border-radius:7px;background:transparent;box-shadow:none}
.brand-mark svg{width:25px;height:25px}
.brand-text strong{font-size:15px;letter-spacing:.06em}
.brand-text span{font-size:8px;letter-spacing:.08em}
.version-chip{font-size:8px;padding:1px 4px}
.doc-name{font-size:12px;width:min(280px,32vw)}
.save-state{font-size:8px}
.icon-btn{width:30px;height:30px;border-radius:5px}
.soft-btn{height:30px;padding:0 9px;border-radius:5px;font-size:10px}
.soft-btn svg{width:14px;height:14px}
.ai-btn{height:32px;border-radius:6px;background:var(--accent);box-shadow:none;font-size:10px;padding:0 11px}
.ai-btn:hover{transform:none;filter:brightness(1.06);box-shadow:none}
.ai-btn kbd{display:none}
.workspace{padding:6px;gap:6px}
.rail{width:54px;min-width:54px;padding:7px 4px 6px;gap:1px;border-radius:8px 0 0 8px;box-shadow:none}
.rail-btn{width:42px;height:38px;border-radius:5px;gap:1px}
.rail-btn svg{width:18px;height:18px}
.rail-btn span{font-size:7px}
.rail-btn.active:before{left:-4px;top:9px;bottom:9px;width:2px}
.rail-sep{margin:4px 0}
.tools-panel{width:206px;min-width:206px;border-radius:0 8px 8px 0;box-shadow:none}
.panel-head{padding:11px 11px 8px}
.panel-head h2{font-size:13px;margin-top:4px}
.panel-head p{font-size:9px;line-height:1.4;margin-top:3px}
.eyebrow{font-size:7px;letter-spacing:.12em}
.tool-list{padding:6px;gap:4px;grid-template-columns:1fr 1fr}
.tool-card{min-height:35px;padding:5px 5px;border-radius:5px;display:flex;align-items:center;gap:5px}
.tool-card .tico{margin:0;display:flex;align-items:center;gap:0}
.tool-card .tico svg{width:14px;height:14px}
.tool-card strong{display:block;font-size:9.5px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tool-card small{display:none}
.tool-card .key-hint{display:none}
.tool-card.active{background:rgba(255,122,89,.1);border-color:rgba(255,122,89,.26)}
.tools-foot{padding:7px 9px 8px}
.kbd-row{display:none}
.ghost-link{font-size:8px;padding:3px 1px}
.tool-config{padding:0 8px;max-height:90px}
.tool-config-inner{padding:7px 1px}
.tool-config label{font-size:8px;margin-bottom:4px}
.tool-config input,.tool-config select{height:26px;font-size:9px}
.inspector{width:364px;min-width:364px;border-radius:8px;box-shadow:none}
.inspector-head{padding:10px 11px 7px}
.inspector-head h2{font-size:13px;margin-top:3px}
.inspector-tabs{padding:0 5px}
.inspector-tabs button{padding:7px 5px 8px;font-size:8.5px;gap:4px}
.inspector-tabs button span{font-size:10px}
.inspector-body{padding:9px 9px 12px}
.inspector-foot{height:26px;font-size:7px;padding:0 9px}
.hero-card,.goal-card,.relation-card,.problem-card,.proof-card,.library-card,.center-row,.ai-status,.verdict,.proof-output,.computation{border-radius:6px}
.hero-card{padding:9px;background:var(--panel-2)}
.hero-card:after{display:none}
.hero-kicker{font-size:7px;margin-bottom:4px}
.hero-title{font-size:12px;line-height:1.4;margin-bottom:4px}
.hero-desc{font-size:8.8px;line-height:1.55}
.stat-grid{gap:4px;margin:6px 0 8px}
.stat-card{padding:6px 7px}
.stat-card .k{font-size:7px;margin-bottom:2px}
.stat-card .v{font-size:11px}
.section{margin-bottom:11px}
.section-head{margin-bottom:5px}
.section-title{font-size:8px}
.section-action{font-size:8px;padding:3px 5px}
.metric-pill{font-size:7px;padding:2px 4px}
.center-row{padding:4px 4px;gap:6px}
.center-sym{width:21px;height:21px;font-size:9px}
.center-info strong{font-size:8.5px}
.center-info small{font-size:7px;margin-top:1px}
.center-add{width:20px;height:20px}
.switch-row{padding:4px 0;font-size:8.5px}
.btn{height:27px;font-size:8.8px;border-radius:5px;padding:0 8px}
.btn svg{width:12px;height:12px}
.btn-row{gap:4px}
.field{font-size:8.8px;padding:5px 0}
.field b{font-size:8px}
.input{height:28px;font-size:9px;border-radius:5px}
textarea.input{height:52px}
.helper-note{font-size:7.5px}
.ai-status{padding:6px 8px;margin-bottom:8px;font-size:8px}
.ai-status .orb{width:13px;height:13px}
.goal-card{padding:9px;margin-bottom:8px}
.goal-text{font-size:11px}
.goal-meta{margin-top:6px}
.run-btn{height:33px;font-size:9.5px;border-radius:6px;background:var(--accent);box-shadow:none;margin:7px 0}
.run-btn:hover{transform:none;filter:brightness(1.06)}
.solution-tabs{margin:9px 0 7px}
.solution-tabs button{padding:6px;font-size:8px}
.proof-step{padding:6px 0;gap:6px}
.proof-step p{font-size:8.5px;line-height:1.6}
.step-num{width:15px;height:15px;font-size:7px}
.proof-card{padding:8px;margin-bottom:7px}
.proof-card h4{font-size:9px}
.proof-card p{font-size:8.3px}
.verdict{padding:7px 8px;margin-bottom:7px}
.verdict-icon{width:20px;height:20px}
.verdict strong{font-size:9px}
.confidence b{font-size:13px}
.computation{font-size:7.5px;padding:6px}
.relation-card{padding:7px 8px;margin-bottom:5px}
.relation-card strong{font-size:8.8px}
.relation-card small{font-size:7px}
.problem-card{padding:8px;margin-bottom:6px}
.problem-card h4{font-size:10px}
.problem-card p{font-size:8px}
.scan-grid{gap:3px;margin:6px 0}
.scan-check{font-size:7.5px;padding:4px 5px}
.library-card{padding:8px;gap:8px}
.lib-glyph{width:48px;height:44px}
.lib-info h4{font-size:9.5px}
.lib-info p{font-size:7.5px}
.toast{font-size:9px;padding:6px 10px}
.modal{border-radius:8px}
.modal-head{padding:13px 15px 10px}
.modal-body{padding:11px 15px}
.modal-foot{padding:9px 15px 12px}
.stage{border-radius:8px;box-shadow:none;border-color:#d9d1c1}
.stage-head{height:44px;padding:7px 10px;gap:7px}
.mode-chip{padding:4px 7px;font-size:9px;border-radius:5px}
.mode-pulse{width:4px;height:4px}
.stage-hint{font-size:8.5px}
.stage-meta{font-size:8px;gap:5px}
.stage-tools{right:8px;bottom:43px;gap:3px}
.round-btn{width:27px;height:27px;border-radius:5px}
.round-btn svg{width:12px;height:12px}
.stage-bottom{left:9px;right:43px;bottom:8px}
.coord-readout{font-size:7.5px;padding:3px 5px}
.stage-tip{font-size:7.5px}
.ai-fab{display:none!important}
.quick-card{display:none!important}
@media(max-width:1500px){:root{--inspector-w:344px;--tools-w:198px}}
@media(max-width:1320px){:root{--inspector-w:326px;--tools-w:190px}.brand{min-width:190px}}
@media(max-width:1120px){:root{--inspector-w:310px;--tools-w:180px}}
@media(max-width:940px){:root{--tools-w:0px;--rail-w:52px}.tools-panel{display:none}.inspector{width:min(350px,calc(100vw - 80px));right:7px;top:63px;bottom:7px}}
@media(max-width:720px){.topbar{height:50px;min-height:50px;padding:0 8px}.brand{min-width:auto}.brand-text span,.version-chip{display:none}.doc-cluster{display:none}.inspector{top:58px;width:calc(100vw - 70px)}.rail{width:48px;min-width:48px;padding:6px 3px}.rail-btn{width:40px;height:36px}.workspace{padding:4px;gap:4px}.stage-head{padding:6px}.stage-tip{display:none}}

/* Screenshot → construction */
.vision-drop{position:relative;border:1px dashed var(--line);border-radius:7px;background:var(--panel-2);min-height:170px;display:grid;place-items:center;cursor:pointer;transition:.15s;overflow:hidden}
.vision-drop:hover,.vision-drop.over{border-color:rgba(255,122,89,.5);background:rgba(255,122,89,.04)}
.vision-drop img{display:block;max-width:100%;max-height:260px;object-fit:contain;border-radius:5px}
#vision-placeholder{text-align:center;color:var(--dim);padding:20px}
#vision-placeholder .vision-glyph{font-size:30px;color:var(--accent);line-height:1;margin-bottom:8px}
#vision-placeholder strong{display:block;font-size:10px;color:var(--text);font-weight:600;margin-bottom:4px}
#vision-placeholder small{font-size:8px;color:var(--dim)}
.vision-actions{display:flex;gap:5px;flex-wrap:wrap;margin:9px 0 10px}
.vision-text{height:92px!important;line-height:1.6}
.vision-status{margin-top:7px;padding:7px 8px;border:1px solid var(--line);border-radius:5px;background:var(--panel-2);font-size:8px;line-height:1.55;color:var(--muted);min-height:28px}
.vision-status[data-kind="error"]{color:var(--danger);border-color:rgba(251,113,133,.3)}

/* Triangle selector in the inspector */
.tri-picker-section { padding: 7px 8px 8px; }
.tri-picker-row .input { width: 100%; height: 29px; padding: 0 8px; }
.tri-picker-row .input:focus { border-color: rgba(255,122,89,.55); outline: none; }

/* Multi-select toggle */
.multi-chip{font-size:8px;line-height:1;color:var(--muted);border:1px solid var(--line);background:var(--panel-2);border-radius:5px;padding:4px 7px;flex:none;transition:.15s;pointer-events:auto;position:relative;z-index:5}
.multi-chip:hover{color:var(--text);border-color:rgba(255,122,89,.35)}
.multi-chip.on{color:var(--accent);border-color:rgba(255,122,89,.45);background:rgba(255,122,89,.08)}

.verdict.warn{border-color:rgba(246,199,107,.28);background:rgba(246,199,107,.045)}
.verdict.warn .verdict-icon{background:rgba(246,199,107,.14);color:#b45309}
.verdict.warn .confidence b{color:#b45309}

/* ==========================================================================
   GeoGebra-like readability pass
   Larger type, thinner borders, flatter list rows.
   ========================================================================== */
:root{--inspector-w:392px;--tools-w:224px;--rail-w:58px;--radius:6px;--radius-sm:4px}
.topbar{height:58px;min-height:58px;padding:0 14px;gap:12px}
.brand{min-width:220px}
.brand-text strong{font-size:16px}
.brand-text span{font-size:9px}
.doc-name{font-size:14px;width:min(300px,31vw)}
.save-state{font-size:9.5px}
.soft-btn{height:32px;padding:0 10px;font-size:11.5px}
.soft-btn svg{width:15px;height:15px}
.ai-btn{height:34px;font-size:11.5px}
.workspace{padding:7px;gap:7px}
.rail{width:58px;min-width:58px;padding:8px 5px 7px}
.rail-btn{width:46px;height:43px}
.rail-btn span{font-size:9px}
.rail-btn svg{width:19px;height:19px}
.tools-panel{width:224px;min-width:224px}
.panel-head{padding:12px 12px 9px}
.panel-head h2{font-size:15px;margin-top:4px}
.panel-head p{font-size:10.5px;line-height:1.45}
.eyebrow{font-size:8.5px}
.tool-list{padding:7px;gap:3px}
.tool-card{min-height:44px;padding:6px;gap:7px;border-radius:4px}
.tool-card .tico svg{width:17px;height:17px}
.tool-card strong{font-size:11px;line-height:1.25;white-space:normal}
.tool-card small{display:none}
.tool-card.active{background:rgba(255,122,89,.08);border-color:transparent;box-shadow:inset 2px 0 0 var(--accent)}
.tool-card.active{border-radius:0 4px 4px 0}
.tool-card .key-hint{display:none}
.tools-foot{padding:8px 10px 9px}
.ghost-link{font-size:9.5px}
.inspector{width:392px;min-width:392px}
.inspector-head{padding:12px 13px 8px}
.inspector-head h2{font-size:15px}
.inspector-tabs{padding:0 7px}
.inspector-tabs button{padding:8px 6px 9px;font-size:10px}
.inspector-body{padding:10px 11px 14px}
.inspector-foot{height:28px;font-size:8px}
.hero-card,.goal-card,.relation-card,.problem-card,.proof-card,.library-card,.center-row,.ai-status,.verdict,.proof-output,.computation,.stat-card,.obj-row{border-radius:4px}
.hero-card{padding:10px}
.hero-kicker{font-size:8.5px}
.hero-title{font-size:14px;line-height:1.4;margin-bottom:5px}
.hero-desc{font-size:10.5px;line-height:1.55}
.section{margin-bottom:12px}
.section-head{margin-bottom:6px}
.section-title{font-size:10px;letter-spacing:.02em}
.section-action{font-size:9px;padding:3px 6px}
.metric-strip{gap:4px}
.metric-pill{font-size:8.5px;padding:3px 5px}
.stat-grid{gap:0;margin:7px 0 9px;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.stat-card{padding:6px 8px;border:0;border-right:1px solid var(--line);background:transparent}
.stat-card:last-child{border-right:0}
.stat-card .k{font-size:8px;margin-bottom:1px}
.stat-card .v{font-size:14px}
.center-row{padding:6px 5px;gap:8px;border-bottom:1px solid var(--line-soft)}
.center-row:last-child{border-bottom:0}
.center-sym{width:24px;height:24px;font-size:10.5px}
.center-info strong{font-size:10.5px;line-height:1.35}
.center-info small{font-size:8.5px;margin-top:1px;line-height:1.3}
.center-add{width:22px;height:22px}
.switch-row{padding:6px 0;font-size:10px;border-bottom:1px solid var(--line-soft)}
.toggle{transform:scale(1.1)}
.btn{height:30px;font-size:10.5px;padding:0 9px}
.btn svg{width:13px;height:13px}
.btn-row{gap:5px}
.field{font-size:10px;padding:6px 0}
.field b{font-size:9.5px}
.input{height:31px;font-size:10.5px}
textarea.input{height:60px}
.helper-note{font-size:9px!important;line-height:1.65!important}
.goal-card{padding:10px}
.goal-text{font-size:12.5px;line-height:1.5}
.run-btn{height:36px;font-size:11px;margin:8px 0}
.ai-status{padding:7px 8px;font-size:9px}
.solution-tabs button{padding:7px;font-size:9px}
.proof-step{padding:7px 0}
.proof-step p{font-size:9.5px;line-height:1.65}
.proof-card{padding:9px}
.proof-card h4{font-size:10px}
.proof-card p{font-size:9.5px;line-height:1.65}
.verdict{padding:8px 9px}
.verdict strong{font-size:10.5px}
.computation{font-size:8.5px;line-height:1.7}
.relation-card{padding:8px 9px}
.relation-card strong{font-size:10px}
.relation-card small{font-size:8.5px}
.problem-card h4{font-size:11px}
.problem-card p{font-size:9.5px}
.library-card{padding:9px}
.lib-info h4{font-size:11px}
.lib-info p{font-size:9px}
.obj-group{margin-bottom:7px}
.obj-group-head{margin-bottom:3px;padding:3px 0;font-size:8.5px}
.obj-row{display:grid;grid-template-columns:12px 52px minmax(0,1fr) auto 20px;align-items:center;gap:6px;padding:6px 4px;border:0;border-bottom:1px solid var(--line-soft);border-radius:0;background:transparent;width:100%;text-align:left}
.obj-row:hover{background:var(--panel-2)}
.obj-row.selected{background:rgba(255,122,89,.08)}
.obj-swatch{width:9px;height:9px}
.obj-name{font-size:11.5px;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.obj-value{font-family:var(--mono);font-size:9px;color:var(--dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.obj-type{font-size:8.5px;color:var(--dim);white-space:nowrap}
.obj-eye{width:20px;height:20px;font-size:9px}
.stage-head{height:46px;padding:8px 11px;gap:8px}
.mode-chip{padding:5px 8px;font-size:10px}
.stage-hint{font-size:10px}
.stage-meta{font-size:9px}
.coord-readout{font-size:8.5px;padding:4px 6px}
.toast{font-size:10px;padding:7px 11px}
.modal-head{padding:14px 16px 11px}
.modal-head h3{font-size:15px}
.modal-body{padding:12px 16px}
.modal-body p{font-size:11px!important;line-height:1.7!important}
.modal-foot{padding:10px 16px 13px}
.field-label{font-size:10px}
.vision-drop{min-height:190px}
#vision-placeholder strong{font-size:11px}
#vision-placeholder small{font-size:9px}
.vision-status{font-size:9px!important;line-height:1.6}
.multi-chip{font-size:9.5px;padding:5px 8px}
@media(max-width:1500px){:root{--inspector-w:370px;--tools-w:216px}}
@media(max-width:1320px){:root{--inspector-w:350px;--tools-w:206px}}

/* Flatter algebra-view list */
.hero-card{background:transparent;border:0;border-bottom:1px solid var(--line-soft);border-radius:0;padding:6px 2px 10px}
.obj-list-head{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:6px;padding:0 4px 5px 22px;margin-top:2px;border-bottom:1px solid var(--line);font-size:9px;color:var(--dim);font-family:var(--mono);letter-spacing:.04em}
.obj-group-head{font-size:9.5px;color:var(--muted);letter-spacing:.02em}
.obj-row{grid-template-columns:12px 56px minmax(0,1fr) auto 20px;padding:7px 4px}
.obj-name{font-size:12px}
.obj-value{font-size:9.5px}
.obj-type{font-size:9px}
.center-row{padding:6px 4px}
.center-info strong{font-size:10.8px}
.center-info small{font-size:8.7px}
.inspector-tabs button{font-size:10.5px}
.section-title{font-size:10.5px}
.section-action{font-size:9.5px}
.helper-note{font-size:9.3px!important}

.obj-list-head{font-size:9.5px;padding-bottom:6px}
.obj-group-head{font-size:10px}
.stat-card .k{font-size:9px;letter-spacing:0}
.stage-tip{font-size:9px}
.coord-readout{font-size:9px}

/* LLM pure-geometry proof */
.llm-proof-card{border:1px solid var(--line);border-radius:6px;background:var(--panel-2);padding:10px;margin:8px 0 10px}
.llm-proof-card.busy .llm-proof-head .orb{width:13px;height:13px}
.llm-proof-card.error{border-color:rgba(251,113,133,.35)}
.llm-proof-head{display:flex;align-items:center;gap:7px;margin-bottom:6px}
.llm-proof-head b{font-size:11px;color:var(--text)}
.llm-proof-head span{margin-left:auto;font-family:var(--mono);font-size:8px;color:var(--dim);letter-spacing:.04em}
.llm-proof-meta{font-size:9px;color:var(--muted);line-height:1.55;margin-bottom:7px}
.llm-proof-meta i{font-style:normal;color:var(--dim)}
.llm-proof{font-size:10.5px;line-height:1.85;color:var(--text);max-height:52vh;overflow:auto;border-top:1px solid var(--line-soft);padding-top:7px}
.llm-proof h3,.llm-proof h4{font-size:11px;margin:8px 0 4px;color:var(--text)}
.llm-proof b{color:var(--accent-2);font-weight:650}
.llm-proof-note{font-size:9.5px;line-height:1.7;color:var(--muted);margin:0}

/* Mobile-first controls and plain canvas */
.stage:before{display:none!important}
.stage{background:#fff!important}
.mobile-objects,.mobile-toolbar,.mobile-toolbar-open{display:none}
@media(max-width:940px){
  .stage{border:0;border-radius:0}
  .stage-tools{display:none}
  .inspector{display:none!important}
  .mobile-toolbar{display:grid;position:fixed;right:7px;top:60px;z-index:70;grid-template-columns:46px 46px;gap:2px;padding:4px;background:var(--panel);border:1px solid var(--line);border-radius:7px;box-shadow:0 8px 24px rgba(0,0,0,.22)}
  .mobile-toolbar button{width:46px;height:42px;border:0;border-bottom:1px solid var(--line-soft);border-radius:3px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;color:var(--muted);background:transparent;font-size:10px}
  .mobile-toolbar button:last-child{border-bottom:0}
  .mobile-toolbar button b{font-size:17px;line-height:1;font-weight:500;color:var(--text)}
  .mobile-toolbar button span{font-size:9px}
  .mobile-toolbar button:active{background:rgba(255,122,89,.1);color:var(--accent)}
  .mobile-toolbar .mtb-close{grid-column:1/-1;height:22px;color:var(--dim);border-bottom:1px solid var(--line);font-size:16px}
  .mobile-toolbar.closed{display:none}
  .mobile-toolbar-open{display:block;position:fixed;right:8px;top:64px;z-index:70;border:1px solid var(--line);border-radius:5px;background:var(--panel);color:var(--text);font-size:10px;padding:7px 8px}
  .mobile-objects{display:flex;position:fixed;left:0;top:54px;bottom:0;width:100vw;z-index:80;background:var(--panel);border-right:1px solid var(--line);flex-direction:column;transform:translateX(-102%);transition:.18s;box-shadow:8px 0 28px rgba(0,0,0,.25)}
  .mobile-objects.open{transform:none}
  .mobile-objects-head{display:flex;align-items:center;gap:8px;padding:10px 11px;border-bottom:1px solid var(--line);font-size:13px}
  .mobile-objects-head strong{font-size:14px}.mobile-objects-head span{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--dim)}
  .mobile-objects-head button{width:30px;height:30px;font-size:20px;color:var(--muted)}
  .mobile-objects-body{overflow:auto;padding:4px 8px 20px}
  .mobile-obj-row{display:grid;grid-template-columns:10px minmax(45px,1fr) minmax(0,1.2fr) auto 24px;align-items:center;gap:6px;padding:9px 3px;border-bottom:1px solid var(--line-soft);width:100%;text-align:left;color:var(--muted)}
  .mobile-obj-row b{font-size:12px;color:var(--text)}
  .mobile-obj-row small{font-family:var(--mono);font-size:9px;color:var(--dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .mobile-obj-row em{font-style:normal;font-size:9px;color:var(--dim);white-space:nowrap}
  .mobile-obj-row .obj-eye{width:24px;height:24px}
  .mobile-obj-empty{padding:28px 12px;text-align:center;color:var(--dim);font-size:11px}
  .stage-head{height:42px;padding:6px 8px}
  .stage-hint{display:none}
  .stage-head .stage-meta{font-size:8px}
  .mode-chip{font-size:9px;padding:4px 6px}
}

.mobile-toolbar{max-height:calc(100vh - 70px);overflow:auto}

@media(max-width:940px){body.mobile-drawer-open .mobile-toolbar,body.mobile-drawer-open .mobile-toolbar-open{display:none!important}}

@media(max-width:940px){
  .inspector.mobile-open{display:flex!important;position:fixed;left:58px;right:7px;top:58px;bottom:7px;width:auto;z-index:75;border-radius:6px;box-shadow:0 10px 35px rgba(0,0,0,.35)}
  .inspector.mobile-open .inspector-body{padding-bottom:24px}
}

@media(min-width:941px){
  .mobile-objects{display:none}
  .mobile-objects.open{display:flex;position:fixed;left:58px;top:58px;bottom:8px;width:300px;z-index:50;background:var(--panel);border:1px solid var(--line);border-radius:0 6px 6px 0;box-shadow:10px 0 30px rgba(0,0,0,.25)}
  #mobile-objects-close{display:block}
}

/* run logs */
.log-list{max-height:42vh;overflow:auto;border:1px solid var(--line-soft);border-radius:4px;padding:4px 7px;background:rgba(0,0,0,.08)}
.log-line{display:flex;gap:8px;padding:4px 0;border-bottom:1px solid var(--line-soft);font-size:9.5px;line-height:1.5;color:var(--muted)}
.log-line span{font-family:var(--mono);font-size:8px;color:var(--dim);white-space:nowrap}
.log-entry{border-bottom:1px solid var(--line-soft);padding:5px 0}
.log-entry summary{display:flex;align-items:center;gap:7px;cursor:pointer;font-size:9.5px;color:var(--muted)}
.log-entry summary b{font-size:10px;color:var(--text)}
.log-entry summary span{font-family:var(--mono);font-size:8px;color:var(--dim);margin-left:auto}
.log-entry summary em{font-style:normal;font-family:var(--mono);font-size:8px;color:var(--accent-2)}
.log-field{font-size:9px;line-height:1.6;color:var(--muted);margin:5px 0}
.log-field b{display:block;color:var(--text);font-size:9px;margin-bottom:2px}
.log-field pre,.log-think pre{white-space:pre-wrap;word-break:break-word;font-family:var(--mono);font-size:8.5px;line-height:1.6;color:var(--muted);margin:3px 0;max-height:30vh;overflow:auto}
.log-think{margin:5px 0;border-left:2px solid var(--line);padding-left:7px}
.log-think summary{font-size:9px;color:var(--accent-2);cursor:pointer}
.log-empty{font-size:9px;color:var(--dim);padding:8px;text-align:center}
.log-empty.error,.log-field.error{color:var(--danger)}

/* algebra view + script console */
.algebra-bar{display:flex;gap:4px;margin:0 0 7px;align-items:center}
.algebra-bar .input{flex:1;height:28px;font-family:var(--mono);font-size:9.5px;padding:0 7px}
.algebra-bar .btn{height:28px;padding:0 8px;font-size:9px;white-space:nowrap}
.obj-name small{display:block;font-family:var(--mono);font-size:8px;line-height:1.35;color:var(--dim);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}
.obj-row{min-height:34px}
.script-output{background:rgba(0,0,0,.18);border:1px solid var(--line-soft);border-radius:4px;padding:8px;margin:8px 0 0;white-space:pre-wrap;font-family:var(--mono);font-size:9px;line-height:1.6;color:var(--muted);max-height:26vh;overflow:auto}

.mobile-algebra{display:flex;gap:3px;padding:6px 7px;border-bottom:1px solid var(--line-soft)}
.mobile-algebra input{flex:1;min-width:0;height:28px;border:1px solid var(--line);border-radius:3px;background:rgba(0,0,0,.12);color:var(--text);font-family:var(--mono);font-size:9px;padding:0 6px}
.mobile-algebra button{height:28px;border:1px solid var(--line);border-radius:3px;background:transparent;color:var(--muted);font-size:9px;padding:0 6px}

/* Portrait phone: GeoGebra-like left tool drawer and scrollable tool list */
.mobile-tools-close{display:none}
@media(max-width:940px){
  .tools-panel{display:flex!important;position:fixed;left:58px;top:54px;bottom:7px;width:min(320px,calc(100vw - 66px));z-index:78;transform:translateX(calc(-100% - 12px));transition:transform .18s ease;border-radius:0 7px 7px 0;border-left:1px solid var(--line);box-shadow:10px 0 30px rgba(0,0,0,.35);overflow:hidden}
  .tools-panel.mobile-open{transform:none}
  .tools-panel .panel-head{position:relative;flex:none}
  .tools-panel .tool-list{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;grid-template-columns:1fr 1fr}
  .tools-panel .tool-card{min-height:46px;padding:7px 6px}
  .tools-panel .tool-card strong{font-size:10.5px}
  .tools-panel .tool-card small{display:block;font-size:8px}
  .tools-panel .tools-foot{flex:none;padding-bottom:10px}
  .mobile-tools-close{display:grid;place-items:center;position:absolute;right:8px;top:9px;width:28px;height:28px;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--muted);font-size:18px;line-height:1}
  body.mobile-tools-open .mobile-toolbar,body.mobile-tools-open .mobile-toolbar-open{display:none!important}
}
@media(max-width:520px){
  .tools-panel{left:48px;top:50px;width:calc(100vw - 54px);border-radius:0 6px 6px 0}
  .tools-panel .tool-list{grid-template-columns:1fr;padding:7px}
  .tools-panel .tool-card{min-height:42px;gap:8px;padding:6px 7px}
  .tools-panel .tool-card .tico svg{width:16px;height:16px}
  .tools-panel .tool-card strong{font-size:11px}
  .tools-panel .tool-card small{font-size:8.5px}
  .mobile-tools-close{top:7px}
}

/* Mobile tool palette: a bottom sheet, not a full-screen blocker */
@media(max-width:940px){
  .tools-panel{left:0!important;right:0!important;bottom:0!important;top:auto!important;width:100%!important;max-height:46vh;transform:translateY(calc(100% + 14px));border-radius:11px 11px 0 0;border-left:0;border-top:1px solid var(--line);box-shadow:0 -12px 34px rgba(0,0,0,.42);z-index:78}
  .tools-panel.mobile-open{transform:none}
  .tools-panel:before{content:"";position:absolute;left:50%;top:4px;width:34px;height:3px;transform:translateX(-50%);border-radius:3px;background:var(--line)}
  .tools-panel .panel-head{padding:11px 12px 6px;flex:none}
  .tools-panel .panel-head h2{font-size:12px;margin-top:2px}
  .tools-panel .panel-head p{display:none}
  .tools-panel .panel-head .eyebrow{font-size:6.5px}
  .tools-panel .tool-list{flex:1;min-height:0;max-height:31vh;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;grid-template-columns:1fr 1fr;padding:5px 7px 7px;gap:4px}
  .tools-panel .tool-card{min-height:39px;padding:5px 6px;display:flex;align-items:center;gap:5px}
  .tools-panel .tool-card .tico{margin:0}
  .tools-panel .tool-card .tico svg{width:15px;height:15px}
  .tools-panel .tool-card strong{font-size:10px}
  .tools-panel .tool-card small{display:none}
  .tools-panel .tool-config{max-height:20vh}
  .tools-panel .tools-foot{display:none}
  .mobile-tools-close{top:7px;right:9px}
}
@media(max-width:520px){
  .tools-panel{max-height:48vh}
  .tools-panel .tool-list{grid-template-columns:1fr 1fr;max-height:33vh}
  .tools-panel .tool-card{min-height:38px;padding:4px 5px}
  .tools-panel .tool-card strong{font-size:9.5px}
}
/* Complex method panel */
.complex-table{max-height:190px;overflow:auto;border:1px solid var(--line);border-radius:7px;background:rgba(0,0,0,.12)}
.complex-table table{width:100%;border-collapse:collapse;font-size:9px}
.complex-table th,.complex-table td{padding:4px 6px;border-bottom:1px solid rgba(255,255,255,.05);text-align:left}
.complex-table th{position:sticky;top:0;background:var(--panel);color:var(--dim);font-weight:600}
.complex-table code{font-family:var(--mono);font-size:9px;color:var(--text)}
.complex-list{margin-top:8px;display:flex;flex-direction:column;gap:4px;max-height:220px;overflow:auto}
.complex-row{padding:5px 7px;border:1px solid var(--line);border-radius:5px;font-size:9px;font-family:var(--mono);display:flex;flex-direction:column;gap:2px}
.complex-row.ok{border-color:rgba(79,209,197,.45)}
.complex-row.bad{border-color:rgba(251,113,133,.5)}
.complex-row small{color:var(--muted);font-size:8px}
/* Algebra command bar: keep the input on its own row, buttons below */
.algebra-bar{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.algebra-bar .input{flex:1 1 100%;min-width:0;width:100%}
.algebra-bar .btn{flex:1 1 auto;min-width:0;padding:0 6px}
@media(max-width:520px){
  .algebra-bar .btn{font-size:8px;padding:0 4px}
  .obj-row{grid-template-columns:10px minmax(40px,52px) minmax(0,1fr) auto 18px;gap:4px}
  .obj-list-head{padding-left:18px}
}
/* Desktop left-side object drawer: reuse the mobile object list layout */
@media(min-width:941px){
  .mobile-objects.open{width:340px;display:flex;flex-direction:column;overflow:hidden}
  .mobile-objects-head{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line);font-size:13px;flex:none}
  .mobile-objects-head strong{font-size:14px;color:var(--text)}
  .mobile-objects-head span{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--dim)}
  .mobile-objects-head button{width:30px;height:30px;font-size:20px;color:var(--muted);border:0;background:transparent}
  .mobile-algebra{display:flex;gap:4px;padding:7px 9px;border-bottom:1px solid var(--line-soft);flex:none}
  .mobile-algebra input{flex:1;min-width:0;height:28px;border:1px solid var(--line);border-radius:4px;background:rgba(0,0,0,.12);color:var(--text);font-family:var(--mono);font-size:10px;padding:0 7px}
  .mobile-algebra button{height:28px;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--muted);font-size:9px;padding:0 7px;white-space:nowrap}
  .mobile-objects-body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:5px 9px 20px}
  .mobile-obj-row{display:grid;grid-template-columns:10px minmax(48px,1fr) minmax(0,1.25fr) auto 24px;align-items:center;gap:6px;padding:9px 3px;border:0;border-bottom:1px solid var(--line-soft);width:100%;text-align:left;color:var(--muted);background:transparent}
  .mobile-obj-row:hover{background:var(--panel-2)}
  .mobile-obj-row b{font-size:12px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .mobile-obj-row small{font-family:var(--mono);font-size:9px;color:var(--dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .mobile-obj-row em{font-style:normal;font-size:9px;color:var(--dim);white-space:nowrap}
  .mobile-obj-row .obj-eye{width:24px;height:24px;display:grid;place-items:center;font-size:9px;opacity:.65}
  .mobile-obj-empty{padding:28px 12px;text-align:center;color:var(--dim);font-size:11px}
}

/* Mobile portrait: keep the top action strip available (识别/导入/导出/设置). */
@media(max-width:720px){
  .topbar{gap:4px}
  .top-actions{gap:4px;flex:none}
  .top-actions .soft-btn{display:inline-flex!important;height:30px;padding:0 7px;justify-content:center}
  .top-actions .soft-btn svg{width:14px;height:14px}
  .top-actions .soft-btn span{display:none}
  .top-actions #btn-logs{display:none!important}
  .top-actions .icon-btn{display:none!important}
  .top-actions .v-divider{display:none}
}
@media(max-width:520px){
  .brand-text{display:none}
  .brand{min-width:38px}
  .top-actions .soft-btn{height:29px;padding:0 6px}
}
/* Public tunnel: keep vision, hide only its model-repair options. */
body[data-local="0"] .vision-auto-repair,
body[data-local="0"] .vision-harness{display:none!important}