:root{--accent:#1a3f6f;--accent-light:#e8f0fa;--accent-mid:#4a7bbf;--bg:#f5f6f8;--surface:#fff;--border:#dde1e8;--text:#1c2333;--text-muted:#6b7a94;--danger:#c0392b;--danger-light:#fdf0ef;--success:#1a7a4a;--success-light:#eaf5ef;--warning:#b8600a;--warning-light:#fef5ea;--mono:'Consolas','Courier New',monospace;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--sans);background:var(--bg);color:var(--text);min-height:100vh;font-size:14px}header{background:var(--accent);color:white;padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.15)}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.3px}.logo-icon{width:30px;height:30px;background:white;border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden}.logo-swatches{display:flex;width:100%;height:100%}.logo-swatches span{flex:1;display:block}.logo span.sub{font-weight:300;opacity:.75;font-size:14px;margin-left:4px}nav{display:flex;gap:4px}nav button{background:none;border:1px solid transparent;color:rgba(255,255,255,.75);padding:6px 14px;border-radius:6px;cursor:pointer;font-size:13px;font-family:var(--sans);font-weight:500;transition:all .15s}nav button:hover{background:rgba(255,255,255,.12);color:white}nav button.active{background:rgba(255,255,255,.2);color:white;border-color:rgba(255,255,255,.3)}.app{max-width:1200px;margin:0 auto;padding:24px 20px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.05)}.panel-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:#fafbfc}.panel-title{font-weight:600;font-size:14px;color:var(--text);display:flex;align-items:center;gap:8px}.panel-body{padding:20px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:6px;border:1px solid transparent;cursor:pointer;font-size:13px;font-family:var(--sans);font-weight:500;transition:all .15s;text-decoration:none}.btn-primary{background:var(--accent);color:white;border-color:var(--accent)}.btn-primary:hover{background:#143160}.btn-secondary{background:white;color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--bg);border-color:#b8bfcc}.btn-danger{background:white;color:var(--danger);border-color:#e8c0bc}.btn-danger:hover{background:var(--danger-light)}.btn-sm{padding:4px 10px;font-size:12px}.btn-success{background:var(--success);color:white}.btn-success:hover{background:#155d38}.form-group{margin-bottom:14px}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:14px}label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.4px}input,select,textarea{width:100%;padding:8px 11px;border:1px solid var(--border);border-radius:6px;font-size:13px;font-family:var(--sans);color:var(--text);background:white;transition:border-color .15s,box-shadow .15s;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent-mid);box-shadow:0 0 0 3px rgba(74,123,191,.15)}input.mono{font-family:var(--mono);font-size:12px}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:10px 12px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);background:#f8f9fb;border-bottom:1px solid var(--border);border-top:1px solid var(--border)}.data-table td{padding:10px 12px;border-bottom:1px solid #f0f2f5;font-size:13px;vertical-align:middle}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#fafbff}.mono-cell{font-family:var(--mono);font-size:12px;color:var(--text-muted)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:500;margin:2px 4px 2px 0}.badge-blue{background:var(--accent-light);color:var(--accent)}.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}.empty-state .empty-icon{font-size:40px;margin-bottom:12px}.empty-state p{font-size:13px;line-height:1.6}.formula-card{border:1px solid var(--border);border-radius:8px;padding:16px;cursor:pointer;transition:all .15s;background:white}.formula-card:hover{border-color:var(--accent-mid);box-shadow:0 2px 8px rgba(74,123,191,.15)}.formula-card.selected{border-color:var(--accent);background:var(--accent-light)}.formula-card-name{font-weight:600;font-size:14px;margin-bottom:4px}.formula-card-ref{font-family:var(--mono);font-size:11px;color:var(--text-muted)}.formula-card-meta{font-size:12px;color:var(--text-muted);margin-top:8px}.calc-table{width:100%;border-collapse:collapse}.calc-table th{background:var(--accent);color:white;padding:9px 14px;text-align:left;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}.calc-table td{padding:10px 14px;border-bottom:1px solid var(--border);font-size:13px}.calc-table tr:last-child td{border-bottom:none;background:#f8f9fb;font-weight:600}.calc-table .num{font-family:var(--mono);text-align:right;font-size:13px}.calc-table th.num{text-align:right}.alert{padding:10px 14px;border-radius:6px;font-size:13px;margin-bottom:14px}.alert-warning{background:var(--warning-light);color:var(--warning);border:1px solid #f0c88a}.alert-info{background:var(--accent-light);color:var(--accent);border:1px solid #b8d0ef}.section-sep{border:none;border-top:1px solid var(--border);margin:20px 0}.total-indicator{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:6px;font-weight:600;font-size:13px}.total-ok{background:var(--success-light);color:var(--success)}.total-warn{background:var(--warning-light);color:var(--warning)}.total-err{background:var(--danger-light);color:var(--danger)}.page{display:none}.page.active{display:block}.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:200;align-items:center;justify-content:center}.modal-overlay.open{display:flex}.modal{background:white;border-radius:10px;width:500px;max-width:95vw;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.25)}.modal-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.modal-title{font-weight:600;font-size:15px}.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-muted);padding:0 4px}.modal-body{padding:20px}.modal-footer{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end}.step-row{display:flex;gap:8px;align-items:flex-start;margin-bottom:8px;background:#fafbfc;border:1px solid var(--border);border-radius:8px;padding:10px 12px;transition:border-color .15s}.step-row:hover{border-color:var(--accent-mid)}.step-num{width:26px;height:26px;min-width:26px;background:var(--accent);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:2px}.step-content{flex:1}.step-actions{display:flex;flex-direction:column;gap:4px}.step-move{background:none;border:1px solid var(--border);border-radius:4px;cursor:pointer;padding:2px 6px;font-size:12px;color:var(--text-muted)}.step-move:hover{background:var(--bg)}.procede-step{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--border)}.procede-step:last-child{border-bottom:none}.procede-num{width:28px;height:28px;min-width:28px;background:var(--accent);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.procede-body{flex:1}.procede-type{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;margin-bottom:3px}.procede-text{font-size:13px;line-height:1.6}.mp-step-list{margin:7px 0 8px 0;display:flex;flex-wrap:wrap;gap:4px}.mp-qty{font-family:var(--mono);font-weight:700;margin-left:4px}@media(max-width:768px){.grid-2{grid-template-columns:1fr}nav button span{display:none}.app{padding:16px 12px}}


/* AUTH */
.auth-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
}
.auth-status {
  font-size: 12px;
  color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 20px;
  padding: 4px 9px;
  white-space: nowrap;
}
.link-button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  padding: 0;
}
.link-button:hover { text-decoration: underline; }
@media (max-width: 900px) {
  header { height: auto; min-height: 56px; flex-wrap: wrap; padding: 10px 12px; gap: 8px; }
  .auth-bar { width: 100%; justify-content: flex-end; margin-left: 0; }
}