:root{
  --bg:#f5f4f0; --paper:#fbfaf7; --panel:rgba(252,251,248,.9); --ink:#16181d; --ink-2:#3a3f48; --muted:#6b7079; --line:#e3e0d8; --line-2:#d3cfc4;
  --accent:#ff4f1a; --accent-2:#ffe2d6; --blue:#1f6feb; --ok:#1a7f4b; --warn:#b45309; --err:#c2271b;
  --r:14px; --r-sm:10px; --shadow:0 10px 40px rgba(22,24,29,.14),0 2px 8px rgba(22,24,29,.06);
  --ease:cubic-bezier(.2,.8,.2,1); --mono:'JetBrains Mono',ui-monospace,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:14px/1.45 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden}
button,input,select{font:inherit;color:inherit}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mono{font-family:var(--mono)}
kbd{font:600 11px var(--mono);border:1px solid var(--line-2);border-bottom-width:2px;border-radius:5px;padding:0 4px;background:#fff}
#app{position:fixed;inset:0}
#map{position:absolute;inset:0}

/* ── top bar ── */
.topbar{position:absolute;top:14px;left:14px;right:14px;height:52px;display:flex;align-items:center;gap:14px;pointer-events:none;z-index:20}
.topbar>*{pointer-events:auto}
.brand{display:flex;align-items:center;gap:8px;background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:9px 14px;border-radius:999px;box-shadow:var(--shadow);font-weight:800;letter-spacing:-.01em}
.brand svg{width:22px;height:22px;stroke:none}
.brand em{font-style:normal;font-weight:500;color:var(--muted)}
.topbar-site{background:var(--panel);backdrop-filter:blur(14px);padding:9px 16px;border-radius:999px;box-shadow:var(--shadow);font-weight:600;max-width:40vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;animation:pop .45s var(--ease)}
.topbar-actions{margin-left:auto;display:flex;gap:8px}
.icon-btn{display:inline-flex;align-items:center;gap:6px;border:0;background:var(--panel);backdrop-filter:blur(14px);box-shadow:var(--shadow);border-radius:999px;padding:9px 13px;cursor:pointer;font-weight:600;transition:transform .2s var(--ease),background .2s}
.icon-btn:hover{transform:translateY(-1px)}
.icon-btn:active{transform:scale(.96)}
.icon-btn svg{width:18px;height:18px}

/* ── panel ── */
.panel{position:absolute;top:80px;left:14px;bottom:14px;width:400px;background:var(--panel);backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3);border-radius:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden;z-index:15;border:1px solid rgba(255,255,255,.6)}
.stepper{position:relative;display:grid;grid-template-columns:repeat(5,1fr);padding:14px 12px 10px;border-bottom:1px solid var(--line)}
.stepper-track{position:absolute;left:calc(10% + 6px);right:calc(10% + 6px);top:27px;height:2px;background:var(--line)}
.stepper-fill{height:100%;width:0;background:var(--ink);transition:width .5s var(--ease)}
.stepper button{position:relative;border:0;background:none;display:flex;flex-direction:column;align-items:center;gap:5px;cursor:pointer;color:var(--muted);font-size:11.5px;font-weight:600;padding:0}
.stepper b{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--paper);border:2px solid var(--line-2);font-size:12px;transition:all .35s var(--ease)}
.stepper button.done b{background:var(--ink);border-color:var(--ink);color:#fff}
.stepper button.cur{color:var(--ink)}
.stepper button.cur b{background:var(--accent);border-color:var(--accent);color:#fff;transform:scale(1.12);box-shadow:0 0 0 5px var(--accent-2)}
.stepper button:disabled{cursor:not-allowed;opacity:.5}
.steps{position:relative;flex:1;overflow:hidden}
.step{position:absolute;inset:0;overflow-y:auto;padding:18px 20px 24px;opacity:0;transform:translateX(30px);pointer-events:none;transition:opacity .35s var(--ease),transform .45s var(--ease)}
.step.on{opacity:1;transform:none;pointer-events:auto}
.step.left{transform:translateX(-30px)}
.step h2{margin:2px 0 6px;font-size:22px;letter-spacing:-.02em}
.lead{margin:0 0 16px;color:var(--muted)}
.lbl{display:flex;justify-content:space-between;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-2);margin:16px 0 8px}
.hint{color:var(--muted);font-size:12.5px;margin:8px 0 0}
.hint.warn{color:var(--warn)}
.row{display:flex;align-items:center}.gap{gap:8px}.wrap{flex-wrap:wrap}
.f{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--ink-2);font-weight:600;margin:10px 0;flex:1}
.f .mono{color:var(--muted);font-weight:400}
input[type=text],input[type=number],input[type=date],select{border:1px solid var(--line-2);background:#fff;border-radius:var(--r-sm);padding:9px 11px;width:100%;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(22,24,29,.08)}
input[type=range]{width:100%;accent-color:var(--accent)}
input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line-2);background:#fff;border-radius:12px;padding:9px 14px;font-weight:650;cursor:pointer;transition:transform .15s var(--ease),background .2s,border-color .2s,box-shadow .2s;white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn:hover{border-color:var(--ink)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,79,26,.3)}
.btn.primary:hover{filter:brightness(1.05)}
.btn.dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.ghost{background:rgba(255,255,255,.7)}
.btn.block{width:100%;padding:13px;margin-top:14px;font-size:15px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn.busy span::after{content:'';display:inline-block;width:12px;height:12px;margin-left:8px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-1px}

.panel-nav{display:flex;align-items:center;gap:10px;padding:12px 14px;border-top:1px solid var(--line);background:rgba(255,255,255,.55)}
.status{flex:1;font-size:12px;color:var(--muted);text-align:center;line-height:1.3;min-height:16px}

/* search */
.search{position:relative;display:flex;align-items:center}
.search>svg{position:absolute;left:12px;width:18px;height:18px;color:var(--muted)}
.search input{padding:12px 12px 12px 38px;font-size:15px;border-radius:12px}
.search .spinner{position:absolute;right:12px}
.suggest{position:absolute;top:calc(100% + 6px);left:0;right:0;margin:0;padding:6px;list-style:none;background:#fff;border-radius:12px;box-shadow:var(--shadow);z-index:5;display:none;max-height:300px;overflow:auto}
.suggest.on{display:block;animation:pop .25s var(--ease)}
.suggest li{padding:9px 10px;border-radius:8px;cursor:pointer;display:flex;flex-direction:column}
.suggest li small{color:var(--muted);font-size:11.5px}
.suggest li:hover,.suggest li.act{background:var(--bg)}
.site-card{display:flex;gap:12px;align-items:center;margin-top:16px;padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);animation:pop .4s var(--ease)}
.site-card strong{display:block}
.site-card .mono{font-size:12px;color:var(--muted)}
.site-card-pin{width:14px;height:14px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--accent-2);flex:none}
.recent h4{margin:20px 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.recent button{display:block;width:100%;text-align:left;border:0;background:none;padding:8px 6px;border-radius:8px;cursor:pointer}
.recent button:hover{background:#fff}

/* segmented + chips */
.seg{display:flex;background:#ece9e2;border-radius:12px;padding:3px;gap:3px}
.seg button{flex:1;border:0;background:none;padding:8px 6px;border-radius:9px;font-weight:650;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:background .25s var(--ease),box-shadow .25s}
.seg button svg{width:16px;height:16px}
.seg button.on{background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.12)}
.seg.small{margin-top:8px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips button{border:1px solid var(--line-2);background:#fff;border-radius:999px;padding:6px 11px;font:600 12.5px var(--mono);cursor:pointer;transition:all .2s var(--ease)}
.chips button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.readout{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.readout>div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px 12px}
.readout .big{display:block;font-size:17px;font-weight:600}
.readout small{color:var(--muted)}
.more{margin-top:14px;border-top:1px dashed var(--line-2);padding-top:10px}
.more summary{cursor:pointer;font-weight:650;color:var(--ink-2);list-style:none;display:flex;align-items:center;gap:6px}
.more summary::before{content:'';width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform .25s var(--ease)}
.more[open] summary::before{transform:rotate(45deg)}

/* data layers */
.layers{display:flex;flex-direction:column;gap:10px}
.layer{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;display:grid;grid-template-columns:auto 1fr auto;gap:2px 12px;align-items:center;animation:rise .45s var(--ease) both}
.layer .ic{grid-row:span 2;width:34px;height:34px;border-radius:10px;background:var(--bg);display:grid;place-items:center}
.layer .ic svg{width:19px;height:19px}
.layer .hd{display:flex;align-items:center;gap:8px}
.layer h4{margin:0;font-size:14px}
.layer .meta{grid-column:2/4;font-size:12px;color:var(--muted)}
.layer .meta b{color:var(--ink);font-family:var(--mono);font-weight:600}
.layer .src{grid-column:1/4;font-size:11.5px;color:var(--muted);border-top:1px dashed var(--line);margin-top:8px;padding-top:7px;display:none}
.layer.has-src .src{display:block}
.layer .st{font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--bg);color:var(--muted);display:inline-flex;align-items:center;gap:5px}
.layer.loading .st{color:var(--blue);background:#e8f0fe}
.layer.loading .st::before{content:'';width:9px;height:9px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
.layer.ok .st{color:var(--ok);background:#e3f4ea}
.layer.fail .st{color:var(--err);background:#fde8e6;cursor:pointer}
.layer.off{opacity:.5}
.q{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.04em;padding:1px 6px;border-radius:5px;margin-left:6px;vertical-align:1px}
.q.good{background:#e3f4ea;color:var(--ok)}.q.fair{background:#fff4dc;color:var(--warn)}.q.limited{background:#fde8e6;color:var(--err)}
.bar{height:5px;background:var(--bg);border-radius:4px;overflow:hidden;margin-top:6px;grid-column:2/4}
.bar i{display:block;height:100%;background:var(--blue);width:0;transition:width .8s var(--ease)}
.switch{position:relative;width:36px;height:21px;flex:none}
.switch input{opacity:0;position:absolute;inset:0;margin:0;cursor:pointer;z-index:1}
.switch span{position:absolute;inset:0;background:var(--line-2);border-radius:999px;transition:background .25s}
.switch span::after{content:'';position:absolute;left:3px;top:3px;width:15px;height:15px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .25s var(--ease)}
.switch input:checked+span{background:var(--ink)}
.switch input:checked+span::after{transform:translateX(15px)}

/* sections */
.sections{display:flex;flex-direction:column;gap:8px}
.sec{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;cursor:pointer;transition:border-color .2s,box-shadow .2s;animation:rise .4s var(--ease) both}
.sec.sel{border-color:var(--ink);box-shadow:0 0 0 3px rgba(22,24,29,.07)}
.sec .tag{width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:800}
.sec .info{flex:1;line-height:1.25}
.sec .info small{display:block;color:var(--muted);font-size:12px}
.sec button{border:0;background:var(--bg);border-radius:8px;width:30px;height:30px;display:grid;place-items:center;cursor:pointer}
.sec button svg{width:16px;height:16px}
.sec button:hover{background:var(--line)}
#btnAddSec.armed{border-color:var(--accent);color:var(--accent);animation:pulse 1.4s infinite}

/* packs */
.packs{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.pack{position:relative;border:1.5px solid var(--line);background:#fff;border-radius:var(--r);padding:12px;cursor:pointer;text-align:left;transition:all .25s var(--ease);animation:rise .45s var(--ease) both}
.pack svg{width:22px;height:22px;margin-bottom:6px}
.pack strong{display:block;font-size:13.5px}
.pack small{color:var(--muted);font-size:11.5px;line-height:1.3;display:block;margin-top:2px}
.pack.on{border-color:var(--ink);background:#fffdfa;box-shadow:inset 0 0 0 1px var(--ink)}
.pack::after{content:'';position:absolute;top:10px;right:10px;width:16px;height:16px;border-radius:5px;border:1.5px solid var(--line-2);transition:all .2s}
.pack.on::after{background:var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5' stroke='white' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/12px no-repeat;border-color:var(--ink)}

/* map tools */
.map-tools{position:absolute;right:14px;top:80px;display:flex;flex-direction:column;gap:8px;z-index:10}
.tool,.tool-group{background:var(--panel);backdrop-filter:blur(14px);box-shadow:var(--shadow);border:0;border-radius:12px}
.tool{width:42px;height:42px;display:grid;place-items:center;cursor:pointer;font-weight:800;font-size:12px;transition:transform .2s var(--ease)}
.tool:hover{transform:translateY(-1px)}
.tool svg{width:22px;height:22px;transition:transform .2s linear}
.tool.on{background:var(--ink);color:#fff}
.tool-group{display:flex;flex-direction:column;padding:3px;gap:2px}
.tool-group button{border:0;background:none;border-radius:9px;padding:7px 0;width:36px;font-size:11px;font-weight:700;cursor:pointer}
.tool-group button.on{background:var(--ink);color:#fff}
.legend-chip{position:absolute;right:66px;top:80px;background:var(--panel);backdrop-filter:blur(14px);box-shadow:var(--shadow);border-radius:12px;padding:8px 12px;display:flex;flex-direction:column;gap:4px;font-size:12px;z-index:10;animation:pop .3s var(--ease)}
.legend-chip i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.maplibregl-ctrl-bottom-right{right:4px;bottom:4px}
.maplibregl-ctrl-attrib{font-size:10.5px;background:rgba(255,255,255,.7)!important;border-radius:8px 0 0 0}

/* frame handles & markers */
.h-move,.h-rot,.h-corner,.h-sec,.h-site{border-radius:50%;cursor:grab;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.h-move{width:30px;height:30px;background:#fff;border:2px solid var(--ink);display:grid;place-items:center}
.h-move::before{content:'';width:14px;height:14px;background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316181d' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2v20M2 12h20M12 2l-3 3M12 2l3 3M12 22l-3-3M12 22l3-3M2 12l3-3M2 12l3 3M22 12l-3-3M22 12l-3 3'/%3E%3C/svg%3E")}
.h-rot{width:22px;height:22px;background:var(--accent);border:3px solid #fff}
.h-corner{width:14px;height:14px;background:#fff;border:2px solid var(--ink);border-radius:3px}
.h-site{width:18px;height:18px;background:var(--accent);border:3px solid #fff;animation:drop .6s var(--ease)}
.h-sec{min-width:28px;height:28px;padding:0 6px;background:var(--ink);color:#fff;border:2px solid #fff;display:grid;place-items:center;font:800 12px Inter,sans-serif;border-radius:999px}
.h-sec.sel{background:var(--accent)}
.dragging{cursor:grabbing!important}

/* drawer */
.drawer{position:absolute;left:428px;right:14px;bottom:14px;height:250px;background:var(--panel);backdrop-filter:blur(18px);border-radius:18px;box-shadow:var(--shadow);transform:translateY(calc(100% + 30px));transition:transform .45s var(--ease);z-index:12;display:flex;flex-direction:column}
.drawer.on{transform:none}
.drawer-head{display:flex;align-items:center;gap:12px;padding:10px 14px 0}
.drawer-head .mono{color:var(--muted);font-size:12px;flex:1}
.drawer-head .icon-btn{box-shadow:none;background:var(--bg)}
.drawer-body{flex:1;padding:4px 14px 12px}
.drawer-body svg{width:100%;height:100%;display:block;stroke:none;fill:initial}

/* studio overlay */
.studio{position:absolute;inset:0;background:var(--bg);z-index:30;display:flex;flex-direction:column;opacity:0;pointer-events:none;transform:scale(1.02);transition:opacity .4s var(--ease),transform .5s var(--ease)}
.studio.on{opacity:1;pointer-events:auto;transform:none}
.studio-bar{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--paper)}
.tabs{display:flex;gap:4px;background:#ece9e2;padding:3px;border-radius:12px;margin:0 auto}
.tabs button{border:0;background:none;padding:8px 18px;border-radius:9px;font-weight:650;cursor:pointer;transition:background .25s}
.tabs button.on{background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.12)}
.studio-actions{display:flex;gap:8px}
.studio-progress{height:3px;background:transparent}
.studio-progress div{height:100%;width:0;background:linear-gradient(90deg,var(--accent),#ffb199);transition:width .3s var(--ease)}
.studio-body{flex:1;position:relative;overflow:hidden}
.tabpane{position:absolute;inset:0;overflow:auto;opacity:0;pointer-events:none;transition:opacity .3s}
.tabpane.on{opacity:1}
.studio.on .tabpane.on{pointer-events:auto}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;padding:20px}
.card{background:#fff;border-radius:var(--r);box-shadow:0 1px 3px rgba(0,0,0,.08),0 8px 24px rgba(0,0,0,.05);overflow:hidden;animation:rise .5s var(--ease) both;display:flex;flex-direction:column}
.card .thumb{aspect-ratio:1.414;background:#fff;display:grid;place-items:center;cursor:zoom-in;border-bottom:1px solid var(--line);overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:contain;transition:transform .5s var(--ease)}
.card:hover .thumb img{transform:scale(1.03)}
.card .cap{padding:10px 12px;display:flex;align-items:center;gap:8px}
.card .cap div{flex:1;min-width:0}
.card .cap strong{display:block;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .cap small{color:var(--muted);font-size:11.5px}
.card .acts{display:flex;gap:4px;padding:0 12px 12px;flex-wrap:wrap}
.card .acts .btn{padding:5px 9px;font-size:12px;border-radius:8px}
.card.skeleton .thumb{background:linear-gradient(90deg,#f0eee9 25%,#f8f7f3 37%,#f0eee9 63%);background-size:400% 100%;animation:shimmer 1.3s infinite}
.model-wrap{position:absolute;inset:0;display:grid;grid-template-columns:1fr 300px}
#viewer{position:relative;background:linear-gradient(#e9eef3,#f6f4ef)}
#viewer canvas{display:block;width:100%;height:100%}
.model-panel{border-left:1px solid var(--line);background:var(--paper);padding:16px;overflow:auto}
.model-panel .dl{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:14px}
.checks{display:flex;gap:14px;margin:10px 0;font-size:13px}
.checks label{display:flex;gap:6px;align-items:center}
.legend .grad{height:10px;border-radius:4px;margin:4px 0}
.legend .ends{display:flex;justify-content:space-between;font:11px var(--mono);color:var(--muted)}
.files{padding:20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.file{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;animation:rise .4s var(--ease) both}
.file .ext{width:44px;height:44px;border-radius:10px;background:var(--ink);color:#fff;display:grid;place-items:center;font:700 11px var(--mono);flex:none}
.file div{flex:1;min-width:0}
.file strong{display:block;font-size:13px}
.file small{color:var(--muted);font-size:11.5px}

/* modal */
.modal{position:absolute;inset:0;z-index:40;background:rgba(22,24,29,.72);backdrop-filter:blur(6px);display:flex;flex-direction:column;opacity:0;pointer-events:none;transition:opacity .3s}
.modal.on{opacity:1;pointer-events:auto}
.modal-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;color:#fff}
.modal-bar strong{flex:1}
.modal-actions{display:flex;gap:6px}
.modal-actions .btn{padding:6px 11px;font-size:12.5px}
.modal-canvas{flex:1;overflow:auto;display:grid;place-items:center;padding:10px 20px 20px;cursor:grab}
.modal-canvas img{max-width:none;background:#fff;box-shadow:0 20px 60px rgba(0,0,0,.4);transform-origin:center;transition:transform .2s}

.help{position:absolute;inset:0;z-index:50;background:rgba(22,24,29,.45);display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .3s}
.help.on{opacity:1;pointer-events:auto}
.help-card{background:var(--paper);border-radius:20px;padding:24px 26px;max-width:460px;box-shadow:var(--shadow);transform:translateY(12px);transition:transform .4s var(--ease)}
.help.on .help-card{transform:none}
.help-card h3{margin:0 0 10px;font-size:20px}
.help-card ol{padding-left:18px;margin:0 0 10px}
.help-card li{margin:6px 0}

#toasts{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:60;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:var(--ink);color:#fff;padding:10px 16px;border-radius:12px;box-shadow:var(--shadow);font-weight:550;opacity:0;transform:translateY(14px) scale(.98);transition:all .35s var(--ease);max-width:min(560px,92vw)}
.toast.in{opacity:1;transform:none}
.toast.warn{background:#7a3d06}.toast.err{background:var(--err)}.toast.ok{background:var(--ok)}

.spinner{width:18px;height:18px;border:2.5px solid var(--line-2);border-top-color:var(--ink);border-radius:50%;animation:spin .8s linear infinite}
.spinner.sm{width:14px;height:14px;border-width:2px}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes drop{from{transform:translateY(-30px);opacity:0}60%{transform:translateY(4px);opacity:1}to{transform:none}}
@keyframes shimmer{from{background-position:100% 50%}to{background-position:0 50%}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,79,26,.35)}50%{box-shadow:0 0 0 6px rgba(255,79,26,0)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* ── phones ── */
@media (max-width:820px){
  .topbar{top:10px;left:10px;right:10px;height:44px}
  .brand em,.icon-btn span,.topbar-site{display:none}
  .panel{top:auto;left:0;right:0;bottom:0;width:auto;height:56vh;border-radius:20px 20px 0 0}
  .map-tools{top:62px;right:10px}
  .legend-chip{top:62px;right:60px}
  .drawer{left:10px;right:10px;bottom:calc(56vh + 10px);height:190px}
  .model-wrap{grid-template-columns:1fr;grid-template-rows:55% 45%}
  .model-panel{border-left:0;border-top:1px solid var(--line)}
  .studio-bar{flex-wrap:wrap;gap:8px;padding:10px}
  .tabs{order:3;width:100%;margin:0}
  .tabs button{flex:1;padding:7px 6px}
  .gallery{grid-template-columns:1fr;padding:12px}
  .packs{grid-template-columns:1fr 1fr}
  #toasts{top:64px;bottom:auto}
  .drawer-head .mono{font-size:10.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}
.ctx{border:1px solid var(--line,#ddd);border-radius:10px;margin:10px 0;padding:6px 12px}
.ctx legend{font-size:12px;font-weight:700;padding:0 6px}
.ctx .checks{flex-direction:column;gap:6px;margin:4px 0}