.container{max-width:920px;margin:0 auto;padding:24px 16px 40px}h1{margin:0;font-size:2rem}.subtitle{margin:10px 0 24px;color:#405064}.card{background:#fff;border:1px solid #dce5f0;border-radius:12px;padding:16px;margin-bottom:16px;box-shadow:0 1px 3px #14213d14}.card h2{margin-top:0;font-size:1.25rem}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}label{display:flex;flex-direction:column;gap:6px;font-size:.95rem}input{border:1px solid #bac9de;border-radius:8px;padding:8px 10px;font-size:1rem}input:focus{outline:2px solid #7aa0d8;border-color:#7aa0d8}select{border:1px solid #bac9de;border-radius:8px;padding:8px 10px;font-size:1rem;background:#fff}button{border:1px solid #a9bddb;background:#f4f8ff;color:#1f3558;border-radius:8px;padding:8px 12px;font-size:.95rem;cursor:pointer}button:hover{background:#eaf2ff}button:disabled{opacity:.55;cursor:not-allowed}.controls-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;align-items:end}.controls-actions,.mode-toggle{display:flex;gap:8px;flex-wrap:wrap}.mode-toggle .active{background:#2f79e6;border-color:#2f79e6;color:#fff}.results ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.results li{background:#f7f9fc;border-radius:8px;padding:10px 12px}.report-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.report-tabs .active{background:#2f79e6;border-color:#2f79e6;color:#fff}.report-panel{margin-top:0}.costs-block{margin-top:12px;border-top:1px solid #dce5f0;padding-top:12px}.costs-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}.total-cost{font-weight:700}.actions-row{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}.visual-top-grid{display:grid;grid-template-columns:minmax(280px,1fr) minmax(320px,1fr);gap:14px;align-items:start}.visual-bottom-grid{margin-top:14px}.visual-card{border:1px solid #dce5f0;border-radius:10px;padding:12px;background:#fbfcff}.visual-top-grid .visual-card{height:100%}.visual-card h3{margin:0 0 10px;font-size:1rem}.room-svg{width:100%;max-width:360px;display:block;margin:0 auto}.room-shell{stroke:#bac9de;stroke-width:2}.room-floor{stroke:#4b82d6;stroke-width:2;filter:drop-shadow(0 6px 10px rgba(75,130,214,.22))}.room-text{fill:#1f3558;font-size:13px;font-weight:600}.room-measure-line{stroke:#4b82d6;stroke-width:1.7}.room-stats{margin-top:8px;display:flex;flex-wrap:wrap;gap:8px}.stat-chip{background:#eef4ff;color:#27466d;border:1px solid #c9daf3;border-radius:999px;font-size:.85rem;padding:5px 10px}.purchase-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:14px}.purchase-item{border:1px solid #dce5f0;border-radius:8px;padding:10px;background:#fff}.purchase-item span{display:block;margin-bottom:4px;color:#4e6078}.purchase-item strong{font-size:1.05rem}.coverage-list{display:grid;gap:10px}.coverage-row{background:#fff;border:1px solid #dce5f0;border-radius:8px;padding:8px}.coverage-head{display:flex;justify-content:space-between;gap:10px;margin-bottom:6px;font-size:.92rem}.bar{width:100%;height:12px;border-radius:999px;background:#e7eef9;overflow:hidden}.bar-fill{height:100%;border-radius:inherit;transition:width .2s ease}.bar-fill.wallpapers{background:linear-gradient(90deg,#5a9bf6,#2f79e6)}.bar-fill.tiles{background:linear-gradient(90deg,#45c4af,#239d89)}.bar-fill.paint{background:linear-gradient(90deg,#f6a55a,#e67a2f)}.bar-fill.status-shortage{background:linear-gradient(90deg,#f46b6b,#db3838)}.bar-fill.status-ok{background:linear-gradient(90deg,#56c08a,#2f9b66)}.bar-fill.status-excess{background:linear-gradient(90deg,#f4c46b,#e69f2f)}.bar-fill.wall-area{background:linear-gradient(90deg,#7d9bca,#5377b1)}.walls-card{width:100%}.walls-list{display:grid;gap:10px}.wall-head{display:flex;justify-content:space-between;margin-bottom:6px}.coverage-meta{margin-top:6px;font-size:.88rem;color:#4e6078}.visual-note{margin:10px 0 0;color:#4e6078;font-size:.9rem}.input-error{border-color:#db3838}.input-error:focus{outline-color:#f0a0a0;border-color:#db3838}.error-text{color:#b12020;font-size:.8rem}.error-banner{margin-top:10px;color:#b12020;background:#fdeeee;border:1px solid #f2c4c4;border-radius:8px;padding:8px 10px;font-size:.9rem}@media (max-width: 860px){.visual-top-grid{grid-template-columns:1fr}}:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;color:#14213d;background:#f7f9fc}*{box-sizing:border-box}body{margin:0;min-height:100vh}