:root{--bg:#0b0f16;--panel:#111823;--panel2:#16202d;--panel3:#1b2736;--text:#edf3fb;--muted:#8fa0b7;--border:#293649;--accent:#7c5cff;--accent2:#9a86ff;--accent-soft:rgba(124,92,255,.16);--success:#27ca8b;--danger:#ff6577;--warning:#f6bd60;--shadow:0 18px 60px rgba(0,0,0,.34);--top:62px;--side:286px;--right:370px;--radius:14px;--input:#1a2533;color-scheme:dark}
html[data-theme="light"]{--bg:#f2f5fa;--panel:#fff;--panel2:#f7f9fc;--panel3:#eef2f7;--text:#172033;--muted:#67758a;--border:#d9e0ea;--accent:#6747ed;--accent2:#7559ef;--accent-soft:rgba(103,71,237,.11);--success:#12aa72;--danger:#e84f64;--warning:#c4841e;--shadow:0 18px 50px rgba(36,48,72,.14);--input:#f4f7fb;color-scheme:light}
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small{font-size:9px;color:var(--muted)}.object-preview-chips{display:flex;max-width:120px;gap:3px;overflow:hidden}.object-preview-chips .chip{padding:3px 5px;font-size:8px}.object-body{border-top:1px solid var(--border);padding:8px 10px}.object-class-list{display:flex;flex-wrap:wrap;gap:5px}.object-class-chip{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--border);border-radius:999px;padding:5px 7px;font-size:9px}.object-class-chip button{border:0;background:transparent;color:var(--muted);padding:0}.add-object-class{margin-top:8px;width:100%;border:1px dashed var(--border);background:transparent;border-radius:8px;color:var(--muted);padding:7px;font-size:10px}.add-object-class:hover{border-color:var(--accent);color:var(--text)}.export-panel{flex:0 0 auto;border-top:1px solid var(--border);background:var(--panel)}.export-panel summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;cursor:pointer}.export-panel summary::-webkit-details-marker{display:none}.export-panel summary span{font-size:12px;font-weight:700}.export-panel summary small{font-size:9px;color:var(--muted)}.export-body{padding:0 14px 14px;display:flex;flex-direction:column;gap:9px}.export-body label>span{display:block;font-size:10px;color:var(--muted);margin-bottom:4px}.export-body select{width:100%}.check{display:flex;align-items:center;gap:7px;font-size:11px}.check span{margin:0!important;color:var(--text)!important}
.modal-overlay{position:fixed;inset:0;background:rgba(14,21,33,.66);backdrop-filter:blur(9px);z-index:100;display:grid;place-items:center;padding:18px}.login-card{width:min(380px,100%);background:var(--panel);border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:26px}.login-icon{width:48px;height:48px;border-radius:14px;background:var(--panel3);display:grid;place-items:center;margin:0 auto 12px}.login-card h2{text-align:center;margin:0 0 5px}.login-card>p{text-align:center;color:var(--muted);margin:0 0 20px;font-size:13px}.login-card form{display:flex;flex-direction:column;gap:12px}.login-card label span,.dialog label>span{display:block;font-size:11px;color:var(--muted);margin-bottom:5px}.login-card input,.dialog input,.dialog textarea,.dialog select{width:100%;border:1px solid var(--border);background:var(--input);color:var(--text);border-radius:10px;padding:11px;outline:none}.login-card input:focus,.dialog input:focus,.dialog textarea:focus,.dialog select:focus{border-color:var(--accent)}.demo-hint{display:block;text-align:center;color:var(--muted);margin-top:13px}.form-error{color:var(--danger);font-size:11px;background:color-mix(in srgb,var(--danger) 10%,transparent);padding:8px;border-radius:8px}.dialog{width:min(620px,calc(100% - 24px));border:1px solid var(--border);border-radius:17px;background:var(--panel);color:var(--text);padding:0;box-shadow:var(--shadow)}.dialog.small{width:min(440px,calc(100% - 24px))}.dialog::backdrop{background:rgba(8,13,20,.7);backdrop-filter:blur(5px)}.dialog header,.dialog footer{display:flex;align-items:center;justify-content:space-between;padding:13px 16px}.dialog header{border-bottom:1px solid var(--border)}.dialog footer{border-top:1px solid var(--border);justify-content:flex-end;gap:8px}.dialog h2{font-size:16px;margin:0}.dialog-body{padding:16px;display:flex;flex-direction:column;gap:14px}.dialog fieldset{border:0;padding:0;margin:0}.dialog legend{font-size:11px;color:var(--muted);margin-bottom:8px}.type-selector{display:grid;grid-template-columns:1fr 1fr;gap:8px}.type-selector label{position:relative}.type-selector input{position:absolute;opacity:0;pointer-events:none}.type-selector label>span{min-height:100px;border:1px solid var(--border);background:var(--panel2);border-radius:12px;padding:11px;display:flex;flex-direction:column;align-items:flex-start}.type-selector input:checked+span{border-color:var(--accent);background:var(--accent-soft)}.type-selector .type-icon{width:32px;height:32px;border-radius:9px;font-size:15px;margin-bottom:8px}.type-selector strong{font-size:12px}.type-selector small{font-size:9px;color:var(--muted);margin-top:2px}.toast-region{position:fixed;right:16px;bottom:16px;z-index:200;display:flex;flex-direction:column;gap:8px}.toast{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:11px;padding:11px 13px;min-width:220px;max-width:380px;font-size:12px;animation:toastin .18s ease}.toast.error{border-color:var(--danger)}.toast.success{border-color:var(--success)}@keyframes toastin{from{opacity:0;transform:translateY(8px)}}.error-page{min-height:100vh;display:grid;place-items:center;text-align:center}.error-page span{font-size:80px;font-weight:900;color:var(--accent)}.mobile-only{display:none}
@media(max-width:1050px){:root{--side:235px;--right:330px}.top-context{display:none}.brand{min-width:190px}.account-btn>span:nth-child(2){display:none}.welcome-view{grid-template-columns:1fr}.type-cards{max-width:650px}.stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.mobile-only{display:inline-flex}.sidebar{position:fixed;left:0;top:var(--top);bottom:0;width:min(86vw,300px);z-index:50;transform:translateX(-102%);transition:.2s;box-shadow:var(--shadow)}.sidebar.open{transform:none}.workspace{display:block}.topbar{gap:8px}.brand{min-width:0}.brand small{display:none}.top-actions .btn{display:none}.editor-view{grid-template-columns:1fr;overflow:auto}.editor-main{min-height:65vh}.annotation-sidebar{border-left:0;border-top:1px solid var(--border);min-height:650px}.class-section{max-height:none}.main-content{height:100%}.view{padding:18px}.page-header{flex-direction:column}.page-actions{justify-content:flex-start}.editor-title{display:none}.editor-hint{white-space:normal;width:90%;text-align:center}.asset-gallery{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}}
@media(max-width:520px){.brand strong{font-size:13px}.brand-mark{width:32px;height:32px;border-radius:9px}.language-btn{display:none}.view{padding:13px}.hero-copy h1{font-size:36px}.hero-copy p{font-size:15px}.type-cards{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.page-actions .btn{font-size:11px;padding:0 9px}.asset-gallery{grid-template-columns:1fr 1fr}.asset-preview{height:125px}.type-selector{grid-template-columns:1fr}.editor-toolbar span:not(.divider){font-size:0}.editor-toolbar .tool-btn span{display:none}}

/* OAuth / one-click authentication */
.oauth-login-card{width:min(430px,100%);max-height:calc(100vh - 36px);overflow:auto;padding:24px}.oauth-login-card>p{margin-bottom:16px}.oauth-login-section{display:flex;flex-direction:column;gap:10px}.oauth-section-title{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.oauth-buttons{display:grid;grid-template-columns:1fr 1fr;gap:9px}.oauth-btn{min-height:48px;border:1px solid var(--border);border-radius:12px;background:var(--panel2);color:var(--text);display:flex;align-items:center;gap:9px;padding:8px 11px;text-decoration:none;font:inherit;font-size:13px;font-weight:700;cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .15s ease}.oauth-btn:hover:not(:disabled){border-color:var(--accent);background:var(--panel3);transform:translateY(-1px)}.oauth-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.oauth-btn:disabled{cursor:not-allowed;opacity:.48}.oauth-btn small{margin-left:auto;color:var(--muted);font-size:8px;font-weight:600}.oauth-logo{width:27px;height:27px;border-radius:8px;display:grid;place-items:center;flex:0 0 auto;background:var(--panel3);font-size:12px;font-weight:900}.oauth-google .oauth-logo{background:#fff;color:#4285f4}.oauth-yandex .oauth-logo{background:#fc3f1d;color:#fff}.oauth-vk .oauth-logo{background:#0077ff;color:#fff;font-size:9px}.oauth-telegram .oauth-logo,.telegram-logo{background:#229ed9;color:#fff}.oauth-arrow{margin-left:auto;color:var(--muted);font-size:20px;font-weight:400}.oauth-register-note{display:block;text-align:center;color:var(--muted);font-size:10px;line-height:1.45}.login-divider{display:flex;align-items:center;gap:10px;margin:15px 0 13px;color:var(--muted);font-size:10px}.login-divider::before,.login-divider::after{content:"";height:1px;background:var(--border);flex:1}.telegram-widget-row{grid-column:1/-1;cursor:default;padding-right:7px}.telegram-widget-row:hover{transform:none;border-color:var(--border);background:var(--panel2)}.telegram-widget-slot{flex:1;min-width:0;display:flex;align-items:center;justify-content:center;min-height:32px;overflow:hidden}.telegram-widget-slot iframe{max-width:100%!important}.oauth-login-card .form-error{line-height:1.4}.oauth-login-card form{gap:10px}
@media(max-width:480px){.oauth-buttons{grid-template-columns:1fr}.telegram-widget-row{grid-column:auto}.oauth-login-card{padding:19px}.oauth-btn{min-height:46px}}
.export-dialog header>div{min-width:0}.export-dialog header small{display:block;color:var(--muted);font-size:10px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:330px}.dialog-help{margin:0;color:var(--muted);font-size:12px;line-height:1.45}.export-file-option{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--border);background:var(--panel2);border-radius:11px;padding:11px;cursor:pointer}.export-file-option>input{width:16px;height:16px;margin-top:2px;flex:0 0 auto}.export-file-option>span{min-width:0;margin:0!important;color:var(--text)!important}.export-file-option strong,.export-file-option small{display:block}.export-file-option strong{font-size:11px}.export-file-option small{font-size:9px;color:var(--muted);margin-top:3px;line-height:1.35}.export-formats-hint{border:1px dashed var(--border);border-radius:9px;padding:8px 10px;color:var(--muted);font-size:9px;line-height:1.4}