*{box-sizing:border-box}
:root{--primary-color:#00b050;--bg-color:#2b3036;--card-bg:#31373e;--panel-bg:#3a4149;--panel-bg-2:#444c56;--text-color:#f4f6f8;--muted:#b9c2cc;--border-color:#505a65;--blue:#1677ff;--red:#dc3545}
body{font-family:'Segoe UI',sans-serif;background:var(--bg-color);color:var(--text-color);margin:0;padding:0}
header{background:#fff;border-bottom:2px solid #dfe3e8;padding:15px 30px;display:flex;justify-content:space-between;align-items:center;min-height:74px;color:#333}
.logo{font-weight:bold;font-size:20px;color:var(--primary-color)}
.header-user{display:flex;align-items:center;gap:9px;margin-left:auto}.header-user-avatar{width:38px;height:38px;object-fit:contain;border-radius:50%;border:1px solid #dfe3e8;background:#fff}.header-user-placeholder{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#eef2f7;border:1px solid #dfe3e8;color:#64748b;font-weight:900}.header-user-nick{font-weight:900;color:#263238;line-height:1.1}.header-user-meta{margin-top:2px;font-size:11px;color:#64748b}.header-logout{border:1px solid #d7dde5;background:#fff;color:#475569;border-radius:7px;padding:7px 11px;font-weight:800;font-size:12px;cursor:pointer;white-space:nowrap}.header-logout:hover{background:#f1f5f9;color:#263238}
.wrap{max-width:760px;margin:18px auto;padding:0 20px}.wide{max-width:1220px}.card{background:var(--card-bg);border:1px solid #454d56;border-radius:8px;padding:18px;box-shadow:0 4px 10px rgba(0,0,0,.18)}
.login-card p{color:var(--muted)}.login-link{display:inline-block;text-decoration:none;padding:10px 16px;border-radius:4px}.primary{background:var(--primary-color);color:#fff;border:0}.error-card,.login-card{margin-top:50px}
.task-bar{display:flex;align-items:stretch;justify-content:space-between;background:#20262c;color:#fff;border-radius:8px 8px 0 0;overflow:hidden}.task-bar-main{display:flex;align-items:center;gap:14px;min-width:0;padding:11px 14px}.task-number{font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.045em;color:#cbd5e1;white-space:nowrap}.task-title{font-size:16px;font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.task-description-toggle{border:0;border-left:1px solid rgba(255,255,255,.12);border-radius:0;background:#334155;color:#fff;padding:0 15px;display:flex;align-items:center;gap:8px;font-size:12px;font-weight:900;white-space:nowrap;cursor:pointer}.task-description-toggle:hover{background:#3f4b5d}
.task-meta-row{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:8px;background:#2f353c;padding:8px;border-left:1px solid #46505b;border-right:1px solid #46505b}.model-status,.phase-info{margin:0;padding:8px 10px;background:#444c56;border:1px solid #596572;border-radius:6px;color:#e6ebf0;font-size:12px;line-height:1.25}.phase-info{font-weight:800}.task-description-wrap{display:none;border:1px solid #596572;border-top:0;background:#444c56;padding:0 14px}.task-description-wrap.open{display:block}.task-description{font-size:13px;line-height:1.45;color:#f1f5f9;padding:10px 0}
.workspace-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,.95fr);gap:0;align-items:start;background:#343b43;border:1px solid #46505b;border-top:0;border-radius:0 0 8px 8px;overflow:hidden}.draw-panel,.samples-panel{min-width:0;padding:14px 16px}.draw-panel{background:#343b43}.samples-panel{background:#3b434c;border-left:1px solid #505a65}.panel-label{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.035em;color:#e8edf2;margin:0 0 8px}.samples-help{font-size:11px;line-height:1.35;color:#c1cad3;margin:0 0 10px}
canvas{display:block;width:250px;height:250px;margin:6px auto 10px;border:4px solid #15191d;border-radius:8px;background:#fff;cursor:crosshair;max-width:100%}.controls{margin:7px 0;display:flex;gap:7px;align-items:center;justify-content:center;flex-wrap:wrap}.primary-controls,.action-controls{padding-top:0}
button,input{padding:8px 11px;border:1px solid #6b7682;border-radius:4px;font-weight:700;font-size:13px;background:#4a535e;color:#fff}input{background:#fff;color:#263238}button{cursor:pointer}button:hover{filter:brightness(1.08)}button:disabled,input:disabled{opacity:.55;cursor:not-allowed}.blue{background:var(--blue);color:#fff;border:0}.green{background:var(--primary-color);color:#fff;border:0}.red{background:var(--red);color:#fff;border:0}.badge{background:#4a535e;border:1px solid #596572;border-radius:999px;padding:7px 9px;font-size:11px;font-weight:900;white-space:nowrap;color:#fff}#labelInput{width:120px;text-transform:uppercase}
#results{min-height:24px;margin-top:7px;text-align:center;line-height:1.35;font-size:12px;color:#eef2f6}.result-row{display:inline-block;min-width:160px;margin:3px;padding:4px 9px;background:#454e58;border-radius:6px}.winner{border:2px solid var(--primary-color);background:#29483a}.ok{color:#68dc96;font-weight:800}.bad{color:#ff7a7a;font-weight:800}.after-test{gap:8px;flex-wrap:wrap;margin:8px 0;justify-content:center}.history{margin-top:5px;font-size:11px;color:#c3ccd5}.test-summary{margin-top:7px;padding:7px;border-radius:6px;background:#29483a}#progress{margin-top:7px;font-size:11px;color:#c3ccd5;text-align:center}
.sample-gallery{margin:0;display:grid;gap:8px}.sample-group{border:1px solid #596572;border-radius:7px;padding:9px;background:#444c56}.sample-group-title{font-weight:900;margin-bottom:6px;font-size:13px;color:#fff}.sample-group-title span{font-size:10px;color:#d0d6dc}.sample-list{display:flex;gap:6px;flex-wrap:wrap;min-height:48px}.sample-thumb{position:relative;width:50px;height:50px;padding:3px;border:1px solid #d9e0e7;background:#fff;border-radius:6px;cursor:pointer}.sample-thumb img{width:42px;height:42px;display:block;object-fit:contain}.sample-thumb span{position:absolute;right:-5px;top:-6px;width:17px;height:17px;border-radius:50%;background:#c62828;color:#fff;line-height:16px;font-size:11px;text-align:center}
@media(max-width:760px){header{gap:10px;flex-wrap:wrap;padding:12px 16px}.header-user{order:3;width:100%;margin:2px 0 0}.wide{padding:0 10px}.wrap{margin:14px auto}.card{padding:10px}.workspace-grid{grid-template-columns:1fr}.samples-panel{border-left:0;border-top:1px solid #505a65}.task-meta-row{grid-template-columns:1fr}.task-bar-main{padding:10px 11px;gap:8px}.task-number{display:none}.task-title{font-size:14px}.task-description-toggle{padding:0 10px}.task-description-toggle span:first-child{display:none}#labelInput{width:105px}canvas{width:230px;height:230px}}

/* =========================================================
   PANEL RYSOWANIA: 2 KOLUMNY — CANVAS + STEROWANIE
   ========================================================= */
.draw-workspace{display:grid;grid-template-columns:minmax(260px,1fr) minmax(220px,.72fr);gap:18px;align-items:start;margin-top:6px}.draw-canvas-column{display:flex;flex-direction:column;justify-content:flex-start;align-items:center;min-width:0;gap:10px}.draw-controls-column{display:grid;grid-template-columns:1fr;gap:9px;align-content:start;min-width:0;padding-top:6px}.draw-workspace canvas{margin:0;width:280px;height:280px}.canvas-clear-btn{width:280px;max-width:100%;min-height:40px}.draw-controls-column button,.draw-controls-column input{width:100%;min-height:40px}.draw-controls-column .control-full{display:block;width:100%}.label-add-row{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:8px}.label-add-row #labelInput{width:100%;min-width:0;text-align:center}.draw-panel #results{margin-top:12px}.draw-panel .after-test{margin-top:10px}
@media(max-width:980px){.draw-workspace{grid-template-columns:1fr}.draw-controls-column{grid-template-columns:repeat(2,minmax(0,1fr));padding-top:0}.draw-controls-column .control-full{width:100%}.label-add-row{grid-column:1/-1}.draw-controls-column #quickTestBtn,.draw-controls-column #testBtn,.draw-controls-column #hintBtn,.draw-controls-column #resetBtn{grid-column:1/-1}}
@media(max-width:520px){.draw-controls-column{grid-template-columns:1fr}.label-add-row{grid-template-columns:1fr}.draw-workspace canvas{width:230px;height:230px}}