:root{
  --bg:#f1efe9;--surface:#fbfaf7;--surface2:#e8e6e0;--text:#252b29;--muted:#6f7773;--line:#d5d2c9;
  --green:#263f37;--green2:#3d5b51;--sand:#c8b692;--ok:#2d6a4f;--warn:#936b25;--danger:#9b3a32;
  --radius:14px;--shadow:0 8px 30px rgba(31,38,35,.07);--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)
}
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text)} button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}
.app{min-height:100vh}.topbar{position:sticky;top:0;z-index:30;background:rgba(38,63,55,.97);color:white;border-bottom:1px solid rgba(255,255,255,.12);backdrop-filter:blur(10px)}
.topbar__inner{max-width:1500px;margin:auto;padding:14px 22px;display:flex;gap:18px;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;min-width:205px}.brand__mark{width:39px;height:39px;border:1px solid rgba(255,255,255,.45);border-radius:11px;display:grid;place-items:center;font-weight:800;letter-spacing:-1px}.brand__name{font-size:18px;font-weight:760}.brand__sub{font-size:11px;opacity:.68;margin-top:2px}.top-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.btn{border:1px solid var(--line);background:var(--surface);padding:9px 12px;border-radius:9px;font-weight:650;font-size:13px}.btn:hover{filter:brightness(.98)}.btn--ghost{background:transparent;border-color:rgba(255,255,255,.28);color:white}.btn--primary{background:var(--green);color:#fff;border-color:var(--green)}.btn--danger{color:var(--danger)}.btn--small{padding:6px 9px;font-size:12px}
.nav-wrap{background:#fff;border-bottom:1px solid var(--line);overflow:auto}.nav{max-width:1500px;margin:auto;display:flex;min-width:max-content}.nav button{border:0;border-right:1px solid var(--line);background:#fff;padding:12px 18px;text-align:left;color:var(--muted);font-size:12px}.nav button strong{display:block;font-size:13px;color:var(--text);margin-top:2px}.nav button.active{box-shadow:inset 0 -3px var(--green);background:#f8f7f3}.nav button.active strong{color:var(--green)}.badge{display:inline-flex;padding:2px 7px;border-radius:999px;background:#ece8dd;color:#746547;font-size:10px;margin-left:6px;font-weight:700}
.main{max-width:1500px;margin:0 auto;padding:26px 22px 70px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.13em;color:var(--green2);font-weight:800}.section-head h1{font-size:28px;margin:4px 0 2px;letter-spacing:-.03em}.section-head p{margin:0;color:var(--muted);font-size:13px;max-width:760px}.grid{display:grid;gap:16px}.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card h2{font-size:16px;margin:0 0 4px}.card h3{font-size:14px;margin:0}.card__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.card__desc{font-size:12px;color:var(--muted);margin-top:3px}.section-block{margin-top:16px}.field{display:flex;flex-direction:column;gap:6px}.field label,.label{font-size:11px;font-weight:750;color:#58615d;text-transform:uppercase;letter-spacing:.055em}.field input,.field select,.field textarea,.input{width:100%;border:1px solid #cbc8bf;background:#fff;border-radius:8px;padding:10px 11px;min-height:40px;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green2);box-shadow:0 0 0 3px rgba(61,91,81,.11)}.field textarea{min-height:88px;resize:vertical}.help{font-size:11px;color:var(--muted);line-height:1.45}.unit-input{position:relative}.unit-input input{padding-right:64px}.unit{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--muted);font-family:var(--mono)}
.table-scroll{overflow:auto;border:1px solid var(--line);border-radius:10px}.data-table{width:100%;border-collapse:collapse;min-width:690px;background:white}.data-table th{position:sticky;top:0;background:#efede7;font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:#5d6762;padding:9px;text-align:left;border-bottom:1px solid var(--line)}.data-table td{padding:8px 9px;border-bottom:1px solid #e5e2da;font-size:12px;vertical-align:middle}.data-table tr:last-child td{border-bottom:0}.data-table input,.data-table select{width:100%;min-width:70px;border:1px solid #d7d4cc;border-radius:6px;padding:7px;background:#fff}.data-table input[type=checkbox]{min-width:auto;width:16px;height:16px}.data-table .num{text-align:right;font-family:var(--mono)}.sum-row{display:flex;justify-content:space-between;margin-top:9px;border-top:1px solid var(--line);padding-top:9px;font-size:13px}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.kpi{border:1px solid var(--line);background:#fff;border-radius:10px;padding:12px}.kpi span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;font-weight:750}.kpi strong{display:block;margin-top:5px;font-family:var(--mono);font-size:19px}.kpi em{font-style:normal;font-size:10px;color:var(--muted);margin-left:4px}.result-good{color:var(--ok)}.result-warn{color:var(--warn)}
.callout{border-left:3px solid var(--sand);padding:10px 12px;background:#f6f2e8;border-radius:0 8px 8px 0;color:#635d50;font-size:12px;line-height:1.55}.callout--norm{border-color:var(--green2);background:#eef3f0;color:#43544d}.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(340px,.8fr);gap:16px}.wall-canvas{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;min-height:300px}.wall-canvas svg{display:block;width:100%;height:auto;min-height:270px}.wall-fill{fill:#d8d2c5;stroke:#6b6f6c;stroke-width:1.5}.wall-open{fill:#fff;stroke:#8b8b84;stroke-width:1}.dim{stroke:#6e7c76;stroke-width:1}.dim-text{font-size:10px;fill:#4f5c56;font-family:var(--mono)}.pier-label{font-size:12px;fill:#263f37;font-weight:800}.chart{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px}.chart svg{width:100%;height:auto}.chart-grid{stroke:#e7e3dc;stroke-width:1}.chart-axis{stroke:#68736e;stroke-width:1.2}.chart-line{fill:none;stroke:#263f37;stroke-width:3}.chart-label{font:10px var(--mono);fill:#66706c}.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:11px;color:var(--muted)}
details{border:1px solid var(--line);border-radius:10px;background:#fff;margin-top:10px}summary{cursor:pointer;padding:12px 14px;font-weight:750;font-size:13px;list-style:none}summary::-webkit-details-marker{display:none}summary::after{content:'+';float:right;color:var(--muted)}details[open] summary::after{content:'−'}details .details-body{border-top:1px solid var(--line);padding:14px}.modal-backdrop{position:fixed;inset:0;background:rgba(20,25,23,.52);display:grid;place-items:center;z-index:80;padding:18px}.modal{width:min(1100px,100%);max-height:90vh;overflow:auto;background:var(--surface);border-radius:16px;border:1px solid var(--line);box-shadow:0 24px 70px rgba(0,0,0,.25);padding:18px}.modal__head{display:flex;justify-content:space-between;align-items:center;position:sticky;top:-18px;background:var(--surface);padding:12px 0;z-index:3;border-bottom:1px solid var(--line);margin-bottom:12px}.modal__head h2{margin:0}.close{width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:20px}.chips{display:flex;gap:7px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 9px;font-size:11px}.chip.active{background:var(--green);color:#fff;border-color:var(--green)}.placeholder{text-align:center;padding:80px 20px}.placeholder .num-big{font-size:70px;font-weight:200;color:#c4c1b8}.footer{max-width:1500px;margin:auto;padding:0 22px 32px;color:#747b77;font-size:11px;line-height:1.5}.separator{height:1px;background:var(--line);margin:16px 0}.nowrap{white-space:nowrap}.hidden{display:none!important}.invalid{border-color:var(--danger)!important;background:#fff6f5!important}.muted{color:var(--muted)}
@media(max-width:980px){.grid--4{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:1fr}.grid--2,.split{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(2,1fr)}.topbar__inner{align-items:flex-start}.top-actions{max-width:55%}}
@media(max-width:620px){.topbar__inner{padding:11px 14px;display:block}.brand{margin-bottom:10px}.top-actions{max-width:none;display:grid;grid-template-columns:repeat(4,1fr)}.top-actions .btn{padding:8px 5px;font-size:10px}.main{padding:18px 12px 55px}.nav button{padding:10px 13px}.section-head{align-items:flex-start;display:block}.section-head h1{font-size:24px}.card{padding:13px;border-radius:11px}.grid--4,.grid--2{grid-template-columns:1fr}.kpi-grid{grid-template-columns:1fr 1fr}.data-table{min-width:760px}.wall-canvas{min-height:220px}.wall-canvas svg{min-height:210px}.modal-backdrop{padding:8px}.modal{max-height:96vh;padding:12px}.btn{min-height:38px}.section-block{margin-top:12px}}


/* OpenWall UI refinements — Sections 01/02 */
.site-notes{height:40px!important;min-height:40px!important;resize:none!important;overflow:auto}
.load-analysis .slab-type{max-width:760px}
.load-grid{margin-top:16px}
.load-panel{border:1px solid var(--line);background:#fff;border-radius:11px;padding:13px;min-width:0}
.load-panel__head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:11px}
.load-panel__head h3{font-size:14px;margin:0 0 3px}
.load-list{display:grid;gap:10px}
.load-item{border-top:1px solid #ece8df;padding-top:10px}
.load-item:first-child{border-top:0;padding-top:0}
.load-desc input{width:100%}
.load-value-line{display:flex;align-items:flex-end;gap:8px;margin-top:7px}
.load-value{width:150px;max-width:150px}
.load-value .unit-input input{font-family:var(--mono);font-variant-numeric:tabular-nums}
.load-remove{margin-bottom:1px;min-width:34px}
.pier-table{min-width:1120px}
.pier-table .col-index{width:44px;text-align:center}
.pier-table .col-geom{width:76px;min-width:76px;max-width:76px}
.pier-table .col-geom input{min-width:58px;width:64px;text-align:right;font-family:var(--mono)}
.pier-table .col-type{width:460px;min-width:460px}
.pier-type-select{width:100%!important;min-width:440px!important}
.pier-table .col-i{width:82px;min-width:82px}
.pier-table .col-delete{width:46px;min-width:46px}
.geometry-legend{margin-top:10px;background:#faf9f5}
.geometry-legend__grid{display:grid;grid-template-columns:minmax(260px,1.1fr) minmax(220px,.9fr);gap:16px;align-items:center}
.geometry-legend__svg{width:100%;height:auto;display:block;background:#fff;border:1px solid var(--line);border-radius:9px;padding:7px}
.geometry-vars{display:grid;gap:7px}
.geometry-vars div{display:grid;grid-template-columns:46px 1fr;gap:8px;align-items:baseline;border-bottom:1px solid #ece8df;padding-bottom:5px}
.geometry-vars div:last-child{border-bottom:0}
.geometry-vars strong{font-family:var(--mono);color:var(--green)}
.geometry-vars span{font-size:11px;color:var(--muted)}
.curve-table-wrap{display:flex;align-items:flex-start;justify-content:flex-start}
.curve-table{width:auto!important;min-width:0!important}
.curve-table th,.curve-table td{width:92px;min-width:72px;max-width:105px;white-space:nowrap}
.profile-table{min-width:1180px}
.modal--wide{width:min(1380px,100%)}
.data-table th sub,.kpi sub,.field label sub,summary sub{font-size:.72em;line-height:0}
@media(max-width:980px){.geometry-legend__grid{grid-template-columns:1fr}.pier-table .col-type{width:400px;min-width:400px}.pier-type-select{min-width:380px!important}}
@media(max-width:620px){.load-value{width:135px;max-width:135px}.geometry-legend__grid{grid-template-columns:1fr}.pier-table{min-width:1020px}.pier-table .col-type{width:360px;min-width:360px}.pier-type-select{min-width:340px!important}}


/* Compact load entry + full-width state-of-fact layout */
.load-top-row{display:grid;grid-template-columns:minmax(260px,1fr) auto;gap:18px;align-items:end}
.loads-inline{display:flex;gap:10px;align-items:end;justify-content:flex-end;flex-wrap:wrap}
.load-compact{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 10px}
.load-compact>label{font-size:12px;font-weight:800;color:var(--green);min-width:24px}
.load-compact__input{width:142px}
.load-compact__input input{width:142px;min-height:38px;padding:8px 58px 8px 9px;font-family:var(--mono);text-align:right}
.overwall-compact{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.subsection-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.subsection-head h3{font-size:14px;margin:0 0 3px}
.overwall-table{min-width:780px}
.overwall-table .wall-num{width:92px;min-width:92px;max-width:92px}
.overwall-table .wall-num input{min-width:70px;width:76px;text-align:right;font-family:var(--mono)}
.schema-card{width:100%}
.schema-card .wall-canvas{min-height:360px}
.schema-card .wall-canvas svg{min-height:330px}
.geometry-legend__svg .legend-dim{stroke:#4f5c56;stroke-width:1.6}
.geometry-legend__svg .legend-ext{stroke:#8a938f;stroke-width:1}
.geometry-legend__svg .legend-dim-text{font-size:17px;fill:#34423c;font-family:var(--mono);font-weight:700}
.geometry-legend__svg .legend-pier-label{font-size:18px;fill:#263f37;font-weight:800;letter-spacing:.04em}
.geometry-legend__svg .legend-caption{font-size:13px;fill:#58615d;font-weight:800;letter-spacing:.08em}
.geometry-vars strong{font-size:13px}
.geometry-vars span{font-size:12px;line-height:1.45}
.improvements-table .ia-col{width:104px;min-width:104px;max-width:104px;text-align:center}
.improvements-table th.ia-col span{font-size:9px;text-transform:none;letter-spacing:0;font-weight:600;color:var(--muted)}
.improvements-table .ia-input{width:78px!important;min-width:78px!important;max-width:78px!important;text-align:right;font-family:var(--mono);padding:6px}
@media(max-width:980px){
  .load-top-row{grid-template-columns:1fr}
  .loads-inline{justify-content:flex-start}
  .schema-card .wall-canvas{min-height:300px}
  .schema-card .wall-canvas svg{min-height:280px}
}
@media(max-width:620px){
  .loads-inline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;width:100%}
  .load-compact{display:block;padding:7px}
  .load-compact>label{display:block;margin-bottom:4px}
  .load-compact__input,.load-compact__input input{width:100%}
  .geometry-legend__svg .legend-dim-text{font-size:19px}
  .geometry-legend__svg .legend-pier-label{font-size:19px}
}