:root{--sidebar-w:220px;--header-h:60px;--navy:#1a2332;--navy-hover:#243447;--navy-active:#2d4a6e;--primary:#2563eb;--primary-h:#1d4ed8;--success:#059669;--danger:#dc2626;--amber:#d97706;--bg:#f1f5f9;--card:#ffffff;--border:#e2e8f0;--text:#1e293b;--text-muted:#64748b;--text-light:#94a3b8;--shadow-sm:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.07);--radius:10px;--radius-sm:7px}*,:after,:before{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--text);background:var(--bg);height:100vh;overflow:auto;-webkit-font-smoothing:antialiased}.app-container{display:flex;height:100vh}.sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);background:linear-gradient(180deg,#0f172a,#1a2332 55%,#1e2d3d);display:flex;flex-direction:column;box-shadow:3px 0 12px rgba(0,0,0,.25);z-index:20}.logo{display:flex;align-items:center;gap:11px;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.08);flex-shrink:0;background:rgba(255,255,255,.03)}.logo-icon{font-size:22px}.logo-text{color:#fff;font-size:15px;letter-spacing:.3px}.logo-sub,.logo-text{font-weight:700;display:block}.logo-sub{font-size:9.5px;letter-spacing:1.8px;text-transform:uppercase;color:#4b7ab8;margin-top:1px}.nav-menu{list-style:none;padding:12px 8px;flex:1 1;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;color:#94a3b8;border-radius:var(--radius-sm);cursor:pointer;font-size:13.5px;font-weight:500;margin-bottom:2px;transition:background .15s,color .15s;-webkit-user-select:none;-moz-user-select:none;user-select:none}.nav-item:hover{background:var(--navy-hover);color:#e2e8f0}.nav-item.active{background:var(--navy-active);color:#fff;border-left:3px solid 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h1{font-size:18px;font-weight:700;letter-spacing:-.2px}.app-footer{display:flex;align-items:center;justify-content:center;gap:8px;height:34px;background:var(--card);border-top:1px solid var(--border);flex-shrink:0;font-size:11.5px;color:var(--text-light);letter-spacing:.2px}.app-footer-brand{font-weight:700;color:var(--primary);letter-spacing:.5px}.app-footer-copy{color:var(--text-muted)}.app-footer-sep{color:var(--border);font-size:14px;line-height:1}.header-right{display:flex;align-items:center;gap:10px}.filter-label{font-size:12px;color:var(--text-muted);font-weight:600;white-space:nowrap}.content-area{flex:1 1;overflow:hidden;position:relative}.tab-content{display:none;position:absolute;inset:0;overflow-y:auto;padding:24px}.tab-content.active{display:block}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:20px;overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#ffffff 0,#fafbfc)}.card-header h2{font-size:15px;font-weight:700}.card-sub{font-size:12px;color:var(--text-muted);margin-top:2px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:16px}form{padding:20px}.form-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin-bottom:16px}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-group label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}input[type=text],select{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--text);background:#fff;outline:none;transition:border-color .15s,box-shadow .15s;width:100%}input[type=text]:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}.drop-zone,select{cursor:pointer}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:border-color .2s,background .2s;background:#fafbfc}.drop-zone.drag-over,.drop-zone:hover{border-color:var(--primary);background:#eff6ff}.drop-icon{font-size:30px;margin-bottom:8px}.drop-hint{font-size:13px;color:var(--text-muted);margin-bottom:10px}.drop-filename{display:block;font-size:12px;color:var(--text-light);margin-bottom:12px;min-height:18px}.drop-filename.has-file{color:var(--success);font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 18px;border-radius:var(--radius-sm);font-size:13.5px;font-weight:600;cursor:pointer;border:none;transition:background .15s,border-color .15s,color .15s}.btn.sm{padding:6px 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rgba(0,0,0,.04)}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-amber{background:#fef3c7;color:#92400e}.badge-green{background:#dcfce7;color:#166534}.search-box{width:200px!important;padding:7px 12px!important}.alert{padding:13px 16px;border-radius:var(--radius-sm);font-size:13.5px;font-weight:500;margin-top:12px}.alert-ok{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.alert-err{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.empty-state{padding:40px;text-align:center;color:var(--text-light);font-size:13px}.toast{position:fixed;bottom:22px;right:22px;background:#1e293b;color:#fff;padding:11px 18px;border-radius:var(--radius);font-size:13px;font-weight:500;box-shadow:var(--shadow-md);z-index:1000;opacity:1;transition:opacity .3s,transform .3s}.toast.hidden{opacity:0;pointer-events:none;transform:translateY(6px)}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:500}.modal{background:var(--card);border-radius:var(--radius);padding:24px 28px;max-width:380px;width:90%;box-shadow:var(--shadow-md)}.modal p{font-size:14px;margin-bottom:20px;line-height:1.5}.modal-actions{display:flex;gap:10px;justify-content:flex-end}.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes 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8px!important;font-size:12px!important;height:auto!important;width:auto!important;min-width:120px;max-width:160px;cursor:pointer}.history-card{margin-top:20px}.history-table-wrap{max-height:260px;overflow-y:auto}.history-empty{padding:24px;text-align:center;color:var(--text-light);font-size:13px}.price-change-up{color:var(--danger);font-weight:600}.price-change-down{color:var(--success);font-weight:600}.price-change-date{font-size:11.5px;color:var(--text-muted)}.col-cost{min-width:130px}.cost-input{padding:5px 8px!important;font-size:13px!important;height:auto!important;width:110px!important;text-align:right}.rent-dash{color:var(--text-light)}.profit-positive{color:var(--success);font-weight:600}.profit-negative{color:var(--danger);font-weight:600}.profit-good{color:#166534;background:#dcfce7}.profit-good,.profit-ok{font-weight:700;border-radius:4px;padding:2px 6px}.profit-ok{color:#92400e;background:#fef3c7}.profit-bad{font-weight:700;border-radius:4px;padding:2px 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p{color:var(--text-muted);margin-bottom:20px;font-size:13px}.admin-password-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;margin-bottom:12px;text-align:center;letter-spacing:2px}.admin-password-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}.admin-error{color:var(--danger);font-size:12px;margin-top:8px}.admin-back-link{display:block;color:#94a3b8;text-decoration:none;font-size:12px;padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:8px;transition:background .15s,color .15s}.admin-back-link:hover{background:rgba(255,255,255,.06);color:#e2e8f0}.admin-link{display:flex;align-items:center;gap:8px;color:#64748b;text-decoration:none;font-size:12px;padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:8px;transition:background .15s,color .15s}.admin-link:hover{background:rgba(255,255,255,.06);color:#94a3b8}.hidden{display:none!important}