:root{--bg: #c8c8c8;--page-bg: #e8e8e8;--header-from: #1a4a7a;--header-to: #2a6aaa;--panel-head: #336699;--panel-head2: #4477aa;--panel-bg: #ffffff;--panel-border: #8aaac8;--row-alt: #dce8f4;--row-hover: #c8daea;--text: #222222;--text-light: #555555;--link: #224488;--link-hover: #cc3300;--btn-bg: #dde8f0;--btn-border: #7090b0;--btn-hover: #c5d8ea;--green: #007700;--red: #cc0000;--yellow: #997700;--accent: #cc3300}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--page-bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:13px;min-height:100%}.app-container{max-width:1100px;margin:0 auto;padding:0 0 24px}.forum-header{background:linear-gradient(135deg,var(--header-from),var(--header-to));padding:14px 20px 12px;border-bottom:3px solid #0d3560;display:flex;align-items:center;gap:14px}.forum-header-logo{width:48px;height:48px;background:#ffffff26;border:2px solid rgba(255,255,255,.4);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;flex-shrink:0}.forum-header-text h1{font-size:18px;color:#fff;font-weight:700;text-shadow:1px 1px 3px rgba(0,0,0,.5);line-height:1.3}.forum-header-text p{font-size:11px;color:#ffffffbf;margin-top:2px}.breadcrumb-bar{background:#d4dfe8;border-bottom:1px solid #b0c4d8;padding:5px 16px;font-size:11px;color:var(--text-light);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:4px}.breadcrumb-bar a{color:var(--link);text-decoration:none}.breadcrumb-bar a:hover{text-decoration:underline;color:var(--link-hover)}.breadcrumb-right{color:#666}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:14px 14px 0}@media (max-width: 760px){.two-col{grid-template-columns:1fr}.forum-header-text h1{font-size:15px}}.forum-panel{border:1px solid var(--panel-border);border-radius:3px;background:var(--panel-bg);margin-bottom:14px;overflow:hidden}.forum-panel-head{background:linear-gradient(to bottom,var(--panel-head2),var(--panel-head));color:#fff;font-size:12px;font-weight:700;padding:7px 12px;border-bottom:1px solid #1a4070;display:flex;align-items:center;gap:6px}.forum-panel-head .icon{opacity:.85}.forum-panel-body{padding:12px 14px}.tab-bar{display:flex;gap:3px;margin-bottom:12px;flex-wrap:wrap}.tab-btn{background:var(--btn-bg);border:1px solid var(--btn-border);border-radius:3px 3px 0 0;color:var(--link);font-family:Arial,Helvetica,sans-serif;font-size:12px;padding:5px 12px;cursor:pointer;line-height:1.4;transition:background .15s}.tab-btn:hover{background:var(--btn-hover);color:var(--link-hover)}.tab-btn.active{background:#fff;border-bottom-color:#fff;color:var(--accent);font-weight:700}.field-group{margin-bottom:10px}label{display:block;color:var(--text);margin-bottom:4px;font-size:12px;font-weight:700}input[type=text],input[type=number],select,textarea{background:#f8f8ff;border:1px solid #9ab0c8;border-radius:2px;color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:13px;padding:5px 8px;outline:none;width:100%;transition:border-color .15s,box-shadow .15s}input[type=text]:focus,input[type=number]:focus,select:focus,textarea:focus{border-color:#369;box-shadow:0 0 0 2px #3693}select option{background:#fff;color:var(--text)}.radio-group{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.radio-label{display:flex;align-items:center;gap:5px;cursor:pointer;font-size:12px;font-weight:400;color:var(--text)}input[type=radio]{accent-color:#336699;cursor:pointer}.forum-btn{background:linear-gradient(to bottom,#eef3f8,#d8e4ef);border:1px solid var(--btn-border);border-radius:3px;color:var(--link);font-family:Arial,Helvetica,sans-serif;font-size:12px;font-weight:700;padding:6px 14px;cursor:pointer;display:inline-block;transition:background .15s}.forum-btn:hover{background:linear-gradient(to bottom,#dce8f4,#c5d8ea);color:var(--link-hover)}.forum-btn:active{background:linear-gradient(to bottom,#c5d8ea,#dce8f4)}.forum-btn.primary{background:linear-gradient(to bottom,#48c,#26a);border-color:#1a5090;color:#fff;font-size:13px;padding:8px 20px}.forum-btn.primary:hover{background:linear-gradient(to bottom,#59d,#37b)}.forum-btn.danger{background:linear-gradient(to bottom,#f0d8d8,#e0b8b8);border-color:#c88;color:var(--red)}.forum-btn.danger:hover{background:linear-gradient(to bottom,#f8c8c8,#e8a8a8)}.forum-btn:disabled{opacity:.5;cursor:not-allowed}.btn-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}canvas{border:1px solid #9ab0c8;border-radius:2px;display:block;cursor:crosshair;max-width:100%;height:auto}.canvas-hint{font-size:11px;color:var(--text-light);margin-top:4px}.progress-wrap{border:1px solid #9ab0c8;border-radius:3px;background:#e8f0f8;height:20px;position:relative;margin:8px 0;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#369,#59c);transition:width .3s linear}.progress-label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:10px;font-weight:700;color:#1a4070;white-space:nowrap}.forum-table{width:100%;border-collapse:collapse;font-size:12px;margin-top:8px}.forum-table th{background:#dce8f4;color:var(--link);text-align:left;padding:5px 10px;border:1px solid #b0c8e0;font-size:11px;white-space:nowrap}.forum-table td{padding:5px 10px;border:1px solid #c8d8e8;color:var(--text)}.forum-table tr:nth-child(odd) td{background:#f4f8fc}.forum-table tr:nth-child(2n) td{background:#e8f0f8}.forum-table tr:hover td{background:var(--row-hover)}.area-display{font-size:20px;font-weight:700;color:var(--link);background:#e8f4ff;border:2px solid #336699;border-radius:4px;text-align:center;padding:12px;margin:10px 0}.vis-legend{display:flex;gap:14px;margin-bottom:8px;font-size:11px;color:var(--text-light)}.vis-legend span{display:flex;align-items:center;gap:4px}.dot-green{width:10px;height:10px;background:#0a0;border-radius:50%;display:inline-block}.dot-red{width:10px;height:10px;background:#c00;border-radius:50%;display:inline-block}.point-list{max-height:120px;overflow-y:auto;border:1px solid #9ab0c8;border-radius:2px;padding:6px;font-size:11px;color:var(--text-light);background:#f8faff;font-family:Courier New,monospace;scrollbar-width:thin;scrollbar-color:#336699 #e8f0f8}.error-box{border:1px solid #cc8888;border-radius:3px;color:var(--red);padding:8px 12px;font-size:12px;margin:8px 0;background:#fff0f0}.empty-state{text-align:center;padding:36px 20px;color:#aab8c8}.empty-state .icon{font-size:36px;display:block;margin-bottom:10px}.empty-state p{font-size:12px;line-height:1.8}.forum-footer{background:#d0dae4;border-top:1px solid #b0c4d8;text-align:center;font-size:11px;color:var(--text-light);padding:10px 16px;margin-top:14px;line-height:1.8}.forum-footer a{color:var(--link);text-decoration:none}.forum-footer a:hover{text-decoration:underline}.hint{font-size:11px;color:#789;margin-bottom:8px;font-style:italic}.quick-btns{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.quick-btns .forum-btn{font-size:11px;padding:4px 10px}@media (max-width: 760px){.breadcrumb-bar{font-size:10px}.two-col{padding:8px 8px 0;gap:8px}.forum-panel-body{padding:10px}.tab-btn{font-size:11px;padding:5px 9px}.area-display{font-size:16px}canvas{width:100%!important;height:auto!important}.forum-table th,.forum-table td{font-size:11px;padding:4px 6px}.forum-btn.primary{width:100%;text-align:center}.forum-header{padding:10px 12px}.forum-header-logo{width:38px;height:38px;font-size:20px}.forum-header-text h1{font-size:14px}}@media (max-width: 480px){.forum-header-text h1{font-size:12px}.forum-header-text p{display:none}.vis-legend{flex-wrap:wrap}.quick-btns .forum-btn{flex:1 1 40%}}