body{margin:0}*{box-sizing:border-box;margin:0;padding:0}:root{--top-h:40px;--left-w:260px;--right-w:280px;--bg-dark:#1e1e2e;--bg-panel:#252535;--bg-toolbar:#2a2a3e;--border:#3a3a55;--text:#e0e0f0;--text-muted:#88a;--accent:#4a9eff;--accent-hover:#6ab4ff}body{background:var(--bg-dark);color:var(--text);height:100vh;font-family:Segoe UI,sans-serif;font-size:13px;overflow:hidden}.app{flex-direction:column;width:100vw;height:100vh;display:flex}.top-menu{height:var(--top-h);background:var(--bg-toolbar);border-bottom:1px solid var(--border);-webkit-user-select:none;user-select:none;flex-shrink:0;align-items:center;gap:2px;padding:0 8px;display:flex}.top-menu .logo{color:var(--accent);border-right:1px solid var(--border);white-space:nowrap;margin-right:6px;padding:0 12px 0 4px;font-size:14px;font-weight:700}.top-menu .logo-img{object-fit:contain;border-right:1px solid var(--border);width:auto;height:28px;margin-right:6px;padding-right:12px}.menu-btn{height:28px;color:var(--text);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:4px;align-items:center;gap:5px;padding:0 10px;font-size:12px;transition:background .15s;display:flex;position:relative}.menu-btn:hover{color:var(--accent-hover);background:#4a9eff26}.menu-btn.active{color:var(--accent);background:#4a9eff33}.menu-btn svg{flex-shrink:0;width:14px;height:14px}.menu-btn .arrow{opacity:.6;margin-left:2px;font-size:9px}.menu-separator{background:var(--border);width:1px;height:20px;margin:0 4px}.dropdown{background:var(--bg-panel);border:1px solid var(--border);z-index:1000;border-radius:6px;min-width:180px;padding:4px;position:absolute;top:calc(100% + 4px);left:0;box-shadow:0 8px 24px #00000080}.dropdown-item{cursor:pointer;color:var(--text);border-radius:4px;align-items:center;gap:8px;padding:6px 10px;font-size:12px;transition:background .1s;display:flex}.dropdown-item:hover{color:var(--accent-hover);background:#4a9eff26}.dropdown-sep{background:var(--border);height:1px;margin:3px 0}.workspace{flex:1;display:flex;overflow:hidden}.left-panel{width:var(--left-w);background:var(--bg-panel);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;display:flex}.left-tabs{border-bottom:1px solid var(--border);display:flex}.left-tab{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:8px 4px;font-size:11px;transition:all .15s}.left-tab:hover{color:var(--text);background:#ffffff0a}.left-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.left-panel-content{flex:1;padding:10px;overflow-y:auto}.left-panel-content::-webkit-scrollbar{width:4px}.left-panel-content::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.panel-section{margin-bottom:16px}.panel-section-title{text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);border-bottom:1px solid var(--border);margin-bottom:6px;padding-bottom:4px;font-size:10px;font-weight:600}.panel-placeholder{color:var(--text-muted);text-align:center;padding:20px 10px;font-size:12px;line-height:1.6}.viewport{background:#0d0d1a;flex:1;position:relative;overflow:hidden}.viewport canvas{display:block}.viewport-overlay{z-index:10;flex-direction:column;gap:4px;display:flex;position:absolute;top:8px;right:8px}.viewport-btn{border:1px solid var(--border);width:28px;height:28px;color:var(--text);cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#252535d9;border-radius:4px;justify-content:center;align-items:center;font-size:14px;transition:all .15s;display:flex}.viewport-btn:hover{border-color:var(--accent);color:var(--accent);background:#4a9eff4d}.viewport-info{color:var(--text-muted);background:#252535b3;border-radius:4px;padding:4px 8px;font-size:11px;position:absolute;bottom:8px;left:8px}.viewport-selection-hint{color:var(--accent);background:#252535d9;border:1px solid #4a9eff4d;border-radius:4px;padding:4px 10px;font-size:11px;position:absolute;bottom:8px;right:48px}.right-panel{width:var(--right-w);background:var(--bg-panel);border-left:1px solid var(--border);flex-direction:column;flex-shrink:0;display:flex}.right-panel-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:10px 12px;font-size:12px;font-weight:600;display:flex}.right-panel-content{flex:1;padding:8px;overflow-y:auto}.right-panel-content::-webkit-scrollbar{width:4px}.right-panel-content::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.material-item{border:1px solid var(--border);cursor:pointer;border-radius:4px;align-items:center;gap:8px;margin-bottom:4px;padding:6px 8px;transition:all .15s;display:flex}.material-item:hover{border-color:var(--accent);background:#4a9eff14}.material-icon{width:24px;height:24px;color:var(--accent);background:#4a9eff33;border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;display:flex}.material-info{flex:1;min-width:0}.material-name{white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:500;overflow:hidden}.material-qty{color:var(--text-muted);font-size:11px}.right-panel-footer{border-top:1px solid var(--border);padding:8px}.total-row{color:var(--text-muted);justify-content:space-between;padding:3px 0;font-size:12px;display:flex}.total-row.grand{color:var(--text);border-top:1px solid var(--border);margin-top:4px;padding-top:6px;font-weight:600}.lib-item{cursor:grab;border:1px solid #0000;border-radius:4px;align-items:center;gap:6px;padding:5px 8px;font-size:11px;transition:background .1s;display:flex}.lib-item:hover{background:#4a9eff1a;border-color:#4a9eff4d}.lib-item:active{cursor:grabbing}.lib-code{color:var(--accent);flex-shrink:0;min-width:52px;font-family:monospace;font-size:10px}.lib-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.lib-unit{color:var(--text-muted);flex-shrink:0;font-size:10px}.modal-overlay{z-index:500;background:#000000a6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-box{background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;width:440px;max-width:95vw;box-shadow:0 24px 64px #000000b3}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:14px 20px;font-size:14px;font-weight:600;display:flex}.modal-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 8px;font-size:16px}.modal-close:hover{color:var(--text);background:#ffffff0f}.modal-body{padding:20px}.upload-area{border:2px dashed var(--border);text-align:center;cursor:pointer;border-radius:8px;padding:32px 20px;transition:border-color .15s,background .15s}.upload-area:hover{border-color:var(--accent);background:#4a9eff0d}.import-summary{color:var(--text);background:#4a9eff12;border:1px solid #4a9eff33;border-radius:6px;margin-bottom:16px;padding:12px 14px;font-size:12px;line-height:2}.import-calc{color:var(--text-muted);text-align:center;background:#ffffff08;border-radius:4px;margin:8px 0 12px;padding:6px;font-size:11px}.form-row{gap:12px;display:flex}.form-row .auth-field{flex:1}.lang-switcher{gap:6px;display:flex}.lang-switcher button{background:var(--bg-panel);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;border-radius:5px;padding:4px 10px;font-size:11px;font-weight:600;transition:all .15s}.lang-switcher button:hover{color:var(--text)}.lang-switcher button.active{background:var(--accent);border-color:var(--accent);color:#fff}.auth-page{background:var(--bg-dark);flex-direction:column;justify-content:center;align-items:center;gap:24px;min-height:100vh;padding:40px 16px;display:flex;position:relative}.auth-page .lang-switcher{position:absolute;top:16px;right:16px}.auth-intro{text-align:center;max-width:400px}.auth-intro-logo{object-fit:contain;max-height:120px;margin-bottom:14px}.auth-intro-text{color:var(--text-muted);margin:0;font-size:13px;line-height:1.7}.auth-box{background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;width:100%;max-width:400px;padding:36px 32px;box-shadow:0 16px 48px #0009}.auth-logo{color:var(--accent);text-align:center;letter-spacing:2px;margin-bottom:24px;font-size:22px;font-weight:800;display:block}.auth-logo-img{object-fit:cover;border-radius:6px;width:100%;max-height:160px;margin-bottom:20px;display:block}.auth-title{color:var(--text);text-align:center;margin-bottom:24px;font-size:18px;font-weight:600}.auth-field{margin-bottom:14px}.auth-field label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:5px;font-size:11px;font-weight:600;display:block}.auth-field input{background:var(--bg-dark);border:1px solid var(--border);width:100%;color:var(--text);box-sizing:border-box;border-radius:5px;outline:none;padding:8px 10px;font-size:13px;transition:border-color .15s}.auth-field input:focus{border-color:var(--accent)}.auth-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;width:100%;margin-top:8px;padding:10px;font-size:14px;font-weight:600;transition:background .15s}.auth-btn:hover{background:var(--accent-hover)}.auth-btn:disabled{opacity:.6;cursor:not-allowed}.auth-error{color:#fca5a5;background:#ef444426;border:1px solid #ef444466;border-radius:5px;margin-bottom:14px;padding:8px 12px;font-size:12px}.auth-footer{text-align:center;color:var(--text-muted);margin-top:20px;font-size:12px}.auth-footer a{color:var(--accent);text-decoration:none}.auth-footer a:hover{text-decoration:underline}.admin-page{background:var(--bg-dark);flex-direction:column;height:100vh;display:flex;overflow:hidden}.admin-header{background:var(--bg-toolbar);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;height:48px;padding:0 20px;display:flex}.admin-content{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:24px}.admin-section-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);align-items:center;gap:8px;margin-top:24px;margin-bottom:10px;font-size:11px;font-weight:700;display:flex}.admin-badge{color:#f59e0b;background:#f59e0b33;border-radius:10px;padding:1px 7px;font-size:11px;font-weight:700}.admin-table{border-collapse:collapse;width:100%;font-size:12px}.admin-table th{text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border);padding:7px 10px;font-size:10px;font-weight:700}.admin-table td{vertical-align:middle;border-bottom:1px solid #3a3a5580;padding:8px 10px}.admin-table tr:hover td{background:#4a9eff0a}.admin-select{background:var(--bg-dark);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:4px;padding:3px 6px;font-size:11px}.admin-action-btn{cursor:pointer;border:none;border-radius:4px;padding:3px 10px;font-size:11px;font-weight:600;transition:opacity .15s}.admin-action-btn:hover{opacity:.8}.admin-action-btn.approve{color:#22c55e;background:#22c55e33}.admin-action-btn.deactivate{color:#9ca3af;background:#6b728033}.admin-action-btn.delete{color:#f87171;background:#ef444426}.busy-overlay{z-index:5000;background:#0f0f1a99;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.busy-box{background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;flex-direction:column;align-items:center;gap:14px;min-width:260px;padding:24px 32px;display:flex;box-shadow:0 8px 32px #00000080}.busy-text{color:var(--text);font-size:13px}.progress-bar{background:#4a9eff26;border-radius:3px;width:220px;height:6px;overflow:hidden}.progress-bar-fill{background:var(--accent);border-radius:3px;width:40%;height:100%;animation:1.1s ease-in-out infinite busy-indeterminate}@keyframes busy-indeterminate{0%{transform:translate(-100%)}to{transform:translate(350%)}}