:root{--bg:#e9ede7;--panel:#fff;--ink:#1a231e;--muted:#5c685f;--line:#ccd4ca;--accent:#1e6b58;--required:#c0392b}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Pretendard,Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif}.app{flex-direction:column;min-height:100vh;display:flex}.top{background:var(--panel);border-bottom:1px solid var(--line);z-index:10;align-items:center;gap:20px;height:56px;padding:0 24px;display:flex;position:sticky;top:0}.top .logo{color:var(--accent);flex:none;font-size:20px;font-weight:800}.top .links{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.top .links .div{background:var(--line);width:1px;height:20px;margin:0 8px}.top a{color:var(--muted);white-space:nowrap;border-radius:8px;padding:8px 12px;font-size:14px;font-weight:600;text-decoration:none}.top a:hover{color:var(--ink);background:#eef1ea}.top a.active{color:#114536;background:#e0eee7}.top .org{color:var(--muted);flex:none;margin-left:auto;font-size:13px}.screen-id{letter-spacing:.05em;color:#114536;cursor:pointer;background:#e0eee7;border:1px solid #c5ddd0;border-radius:6px;flex:none;padding:3px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;font-weight:700}.screen-id:hover{background:#d0e5da}.screen-title{align-items:center;gap:10px;display:flex}.calc-preview{flex-direction:column;gap:4px;min-height:52px;padding:2px 0;font-size:13px;display:flex}.calc-preview-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.calc-preview-value{justify-content:flex-end}.calc-preview-value b{color:var(--accent);font-size:18px}.top .menu{display:flex;position:relative}.top .menu-trigger{color:var(--muted);white-space:nowrap;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 12px;font-family:inherit;font-size:14px;font-weight:600;text-decoration:none}.top .menu-trigger:hover{color:var(--ink);background:#eef1ea}.top .menu-trigger.active{color:#114536;background:#e0eee7}.top .dropdown{background:var(--panel);border:1px solid var(--line);z-index:20;border-radius:10px;flex-direction:column;gap:2px;min-width:168px;padding:6px;display:flex;position:absolute;top:calc(100% + 6px);left:0;box-shadow:0 8px 24px #0000001a}.top .dropdown a{white-space:nowrap}.main{flex:1;width:100%;margin:0 auto;padding:24px 28px}.main h2{margin:0 0 4px;font-size:22px}.main .sub{color:var(--muted);margin:0 0 20px;font-size:14px}.bar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.spacer{flex:1}button.btn{font:inherit;border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600}button.btn:hover{background:#eef1ea}button.btn.pri{background:var(--accent);border-color:var(--accent);color:#fff}button.btn.pri:hover{background:#185643}button.btn:disabled{opacity:.5;cursor:default}button.btn.danger{background:var(--required);border-color:var(--required);color:#fff}button.btn.danger:hover{filter:brightness(.92)}button.btn.sm{border-radius:7px;padding:5px 10px;font-size:13px}input.in,select.in{font:inherit;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:8px;padding:8px 10px;font-size:14px}table.tbl{border-collapse:collapse;border:1px solid var(--line);background:#fff;border-radius:10px;width:100%;font-size:14px;overflow:hidden}table.tbl th{text-align:left;color:var(--muted);border-bottom:1px solid var(--line);background:#f4f6f2;padding:10px 12px;font-size:12px;font-weight:650}table.tbl th.sortable{cursor:pointer;-webkit-user-select:none;user-select:none}table.tbl th.sortable:hover{color:var(--ink);background:#e9ede7}table.tbl th .sort{color:var(--accent);font-size:10px}table.tbl td{border-bottom:1px solid var(--line);padding:9px 12px}table.tbl tr:last-child td{border-bottom:none}table.tbl tr.click{cursor:pointer}table.tbl tr.click:hover td{background:#e0eee7}table.tbl tr.grp td,table.tbl tr.sub td{background:#f4f6f2}table.tbl td .cell-in{width:100%;font:inherit;color:var(--ink);background:0 0;border:none;padding:4px 2px}table.tbl td .cell-in:focus{outline:2px solid var(--accent);outline-offset:-2px;background:#fff;border-radius:4px}.num{text-align:right;font-variant-numeric:tabular-nums}.tbl-scroll{border-radius:10px;overflow-x:auto}.tbl-scroll table.tbl{width:max-content;min-width:100%}.sheet-lines table.tbl{table-layout:fixed;width:100%}.sheet-lines .cell-in{min-width:0}.sheet-lines th{white-space:nowrap}.sheet-lines th.col-basis{white-space:normal;line-height:1.35}.sheet-lines .col-no{width:44px}.sheet-lines .col-name{width:190px}.sheet-lines .col-spec{width:130px}.sheet-lines .col-basis{width:170px}.sheet-lines .col-sur{width:70px}.sheet-lines .col-unit,.sheet-lines .col-qty{width:84px}.sheet-lines .col-remarks{width:130px}.sheet-lines .col-act{width:208px}.row-actions{flex-wrap:nowrap;align-items:center;gap:4px;display:flex}.row-actions .btn{white-space:nowrap;flex-shrink:0}.card{border:1px solid var(--line);background:#fff;border-radius:12px;padding:20px}.tag{border-radius:6px;padding:2px 8px;font-size:11px;font-weight:650}.tag.EARTHWORK{color:#8a5a22;background:#f1e2ce}.tag.MATERIAL{color:#2e547f;background:#dce6f2}.tag.SUPPLIED_CONTRACTOR{color:#6b4a8a;background:#eadef3}.tag.SUPPLIED_OWNER{color:#6e7280;background:#e7e8ea}.tag.AGGREGATE{color:#5a6b2a;background:#e6ecd6}.tag.conv{color:#2f6b60;background:#d9eae8}.tag.norm{color:#33547e;background:#e4ecf7}.tag.sur{color:#8a6320;background:#f3e6cf}.muted{color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:40px}label.fld{color:var(--muted);margin:12px 0 4px;font-size:12px;font-weight:650;display:block}label.fld.req{color:var(--required)}.helptip{border:1px solid var(--line);width:15px;height:15px;color:var(--muted);cursor:help;vertical-align:middle;background:#fff;border-radius:50%;justify-content:center;align-items:center;margin-left:5px;font-size:10px;font-weight:800;line-height:1;display:inline-flex;position:relative}.helptip:hover,.helptip:focus-visible{background:var(--accent);color:#fff;border-color:var(--accent);outline:none}.helptip-bubble{z-index:1100;white-space:normal;background:var(--ink);color:#fff;text-align:left;opacity:0;visibility:hidden;pointer-events:none;border-radius:8px;width:max-content;max-width:240px;padding:7px 10px;font-size:12px;font-weight:500;line-height:1.45;transition:opacity .12s;position:absolute;box-shadow:0 6px 20px #14281e47}.helptip:hover .helptip-bubble,.helptip:focus-visible .helptip-bubble{opacity:1;visibility:visible}.helptip-top .helptip-bubble{bottom:calc(100% + 8px);left:50%;transform:translate(-50%)}.helptip-bottom .helptip-bubble{top:calc(100% + 8px);left:50%;transform:translate(-50%)}.helptip-right .helptip-bubble{top:50%;left:calc(100% + 8px);transform:translateY(-50%)}.modal-backdrop{z-index:900;background:#14231c6b;justify-content:center;align-items:center;padding:20px;animation:.14s ease-out toast-in;display:flex;position:fixed;inset:0}.modal{background:var(--panel);border:1px solid var(--line);border-radius:14px;max-width:100%;box-shadow:0 20px 60px #14281e47}.modal-head{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:16px 20px;display:flex}.modal-head h3{margin:0;font-size:17px}.modal-x{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:8px;margin-left:auto;padding:4px 8px;font-size:15px}.modal-x:hover{color:var(--ink);background:#eef1ea}.modal-body{padding:20px}.modal-body label.fld{margin-top:0}.modal-body label.fld+*{margin-bottom:14px}.modal-body .in{width:100%}.modal-body .in.ta{resize:vertical;min-height:64px;font-family:inherit;line-height:1.5}.modal-row{gap:12px;display:flex}.modal-row>div{flex:1}.modal-row .fld{margin-top:0}.modal-foot{border-top:1px solid var(--line);background:#f9faf7;border-radius:0 0 14px 14px;justify-content:flex-end;gap:8px;padding:14px 20px;display:flex}.img-drop{text-align:center;border:1px dashed var(--line);color:var(--muted);cursor:pointer;background:#f9faf7;border-radius:10px;justify-content:center;align-items:center;padding:24px;font-size:13px;transition:background .12s,border-color .12s;display:flex}.img-drop:hover,.img-drop.over{border-color:var(--accent);color:var(--ink);background:#eef1ea}.img-drop.disabled{cursor:default;opacity:.6;background:#f2f2ee}.img-drop.disabled:hover{border-color:var(--line);color:var(--muted);background:#f2f2ee}.img-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-top:14px;display:grid}.img-thumb{aspect-ratio:4/3;border:1px solid var(--line);background:#f4f6f2;border-radius:10px;position:relative;overflow:hidden}.img-thumb img{object-fit:cover;width:100%;height:100%;display:block}.img-thumb-del{color:#fff;cursor:pointer;background:#14231c99;border:none;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;line-height:1;display:flex;position:absolute;top:6px;right:6px}.img-thumb-del:hover{background:var(--required)}.toasts{z-index:1000;flex-direction:column;gap:8px;max-width:420px;display:flex;position:fixed;bottom:20px;right:20px}.toast{font:inherit;text-align:left;cursor:pointer;border:1px solid;border-radius:10px;padding:12px 16px;font-size:13px;font-weight:600;animation:.18s ease-out toast-in;box-shadow:0 6px 20px #14281e2e}.toast.error{color:#8a2c1a;background:#fbe9e7;border-color:#e6a79c}.toast.success{color:#114536;background:#e0eee7;border-color:#9fc9b6}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}