:root{
  --calc-bg:#fff;--calc-bg-2:#F4F7FC;--calc-line:#E3E9F2;--calc-line-2:#CFDAEC;
  --calc-ink:#11213B;--calc-ink-soft:#42506B;--calc-muted:#647189;
  --calc-blue:#1A5CD6;--calc-blue-deep:#0F3E96;--calc-blue-soft:#E9F0FE;
  --calc-ff:"Inter",system-ui,sans-serif;--calc-ff-d:"Archivo",system-ui,sans-serif;--calc-ff-m:"IBM Plex Mono",monospace;
}

.calc-shell{background:#fff;border-radius:16px;box-shadow:0 24px 70px -20px rgba(0,0,0,.45);overflow:hidden;color:var(--calc-ink);font-family:var(--calc-ff);font-size:15px;max-width:100%;min-width:0}
.calc-panel{padding:20px;display:grid;gap:10px;min-width:0;overflow:visible}
.calc-panel h2{margin:0;font-family:var(--calc-ff-d);font-weight:800;font-size:18px;letter-spacing:-.02em}
.panel-head{display:flex;align-items:baseline;gap:10px;margin-bottom:4px}
.calc-shell .btn-full{width:100%;justify-content:center;margin-top:6px}

.upload{border:2px dashed var(--calc-line-2);border-radius:12px;background:var(--calc-bg-2);min-height:172px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;padding:24px 16px;text-align:center;transition:border-color .15s,background .15s}
.upload:hover{border-color:var(--calc-blue);background:var(--calc-blue-soft)}
.upload.drag{border-color:var(--calc-blue);background:var(--calc-blue-soft)}
.upload-empty:not([hidden]){display:flex;flex-direction:column;align-items:center;gap:10px}
.upload-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:var(--calc-blue-soft);color:var(--calc-blue)}
.upload-title{margin:0;font-size:14.5px;font-weight:700;color:var(--calc-ink-soft)}
.upload-hint{margin:0;font-size:11.5px;color:var(--calc-muted);font-weight:500}
.upload-preview{padding:0;text-align:center;width:100%}
.upload-preview-frame{position:relative;width:100%}
.upload-preview img{display:block;width:100%;max-height:min(200px,32vh);height:auto;object-fit:contain;object-position:center;border-radius:8px;background:var(--calc-bg-2)}
.upload-replace-btn{position:absolute;top:8px;right:8px;width:32px;height:32px;border-radius:50%;background:rgba(17,33,59,.72);color:#fff;border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s,transform .15s}
.upload-replace-btn:hover{background:rgba(17,33,59,.9);transform:scale(1.06)}
.upload-replace-btn:focus-visible{outline:2px solid #fff;outline-offset:2px}

.fld-error{font-size:11.5px;color:#C0392B;margin:4px 0 0}
.submit-hint{font-size:12px;color:var(--calc-muted);text-align:center;margin:2px 0 0}
.fld input.invalid,.fld select.invalid{border-color:#C0392B}

.segmented{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.seg-btn{min-height:44px;padding:9px 12px;border:1px solid var(--calc-line-2);border-radius:8px;background:var(--calc-bg-2);font:inherit;font-size:12.5px;font-weight:600;color:var(--calc-ink-soft);cursor:pointer}
.seg-btn.on{border-color:var(--calc-blue);background:var(--calc-blue-soft);color:var(--calc-blue)}

.row-2,.more-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}
.fld.full{grid-column:1/-1}
.fld span{display:block;font-family:var(--calc-ff-m);font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--calc-muted);margin-bottom:4px}
.fld span em{font-style:normal;text-transform:none;letter-spacing:0;opacity:.8}
.fld{min-width:0}
.fld input,.fld select{width:100%;max-width:100%;min-height:44px;padding:12px 10px;border:1px solid var(--calc-line-2);border-radius:8px;background:var(--calc-bg-2);font:inherit;font-size:14px;color:var(--calc-ink)}
.fld.full{grid-column:1/-1}

.color-block{display:grid;gap:8px;padding:10px;border:1px solid var(--calc-line);border-radius:10px;background:var(--calc-bg-2);min-width:0;overflow:hidden}
.color-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0}
.color-picker-wrap{position:relative;width:40px;height:34px;flex:none;border-radius:8px;border:1px solid var(--calc-line-2);overflow:hidden;background:#fff}
.color-picker-swatch{position:absolute;inset:0;border-radius:7px}
.color-line code{font-family:var(--calc-ff-m);font-size:11px;color:var(--calc-muted)}
.swatches{display:flex;gap:5px;flex-wrap:wrap}
.swatch{position:relative;width:24px;height:24px;border-radius:999px;border:2px solid #fff;box-shadow:0 0 0 1px var(--calc-line-2);cursor:pointer;padding:0}
.swatch::before{content:"";position:absolute;inset:-8px}
.swatch.on{box-shadow:0 0 0 2px var(--calc-blue)}

.preview-history{margin-top:14px}
.preview-history-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.preview-history-thumb{width:56px;height:56px;border-radius:8px;border:2px solid transparent;background-size:cover;background-position:center;cursor:pointer;padding:0;box-shadow:0 0 0 1px var(--calc-line-2)}
.preview-history-thumb.on{border-color:var(--calc-blue)}

.more summary{cursor:pointer;color:var(--calc-blue);font-size:12px;font-weight:600;list-style:none}
.more summary::-webkit-details-marker{display:none}
.more-grid{padding-top:8px}
.hint{font-size:12px;min-height:16px;margin:0;color:var(--calc-muted)}

/* Estimate page */
.calc-page{min-height:100vh;background:var(--calc-bg);color:var(--calc-ink);font-family:var(--calc-ff);font-size:15px;line-height:1.5}
.calc-page .wrap{max-width:920px;margin:0 auto;padding:0 20px}
.calc-page .btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--calc-ff-d);font-weight:800;font-size:12px;padding:11px 16px;border-radius:8px;cursor:pointer;border:2px solid transparent;text-transform:uppercase;text-decoration:none}
.calc-page .btn-sm{padding:8px 12px;font-size:11px}
.calc-page .btn-p{background:var(--calc-blue);color:#fff}.calc-page .btn-p:hover{background:var(--calc-blue-deep)}
.calc-page .btn-o{background:#fff;border-color:var(--calc-line-2);color:var(--calc-ink)}.calc-page .btn-o:hover{border-color:var(--calc-blue);color:var(--calc-blue)}
.calc-page .muted{color:var(--calc-muted)}
.calc-page .eyebrow{font-family:var(--calc-ff-m);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--calc-blue)}

.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--calc-line)}
.site-header .nav{display:flex;align-items:center;justify-content:space-between;height:52px}
.site-header .brand{display:flex;align-items:center;gap:8px;font-family:var(--calc-ff-d);font-weight:900;font-size:17px;color:var(--calc-ink);text-decoration:none}
.site-header .brand img{height:28px}

.panel{background:#fff;border:1px solid var(--calc-line);border-radius:14px;padding:28px 24px}
.result-panel{padding:32px 0 48px}
.result-actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.estimate-doc{background:#fff;border:1px solid var(--calc-line);border-radius:14px;padding:28px 24px}
.est-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--calc-line)}
.est-head .eyebrow{margin:0 0 6px}
.est-head h2{font-size:26px;margin:0;font-family:var(--calc-ff-d);font-weight:800;letter-spacing:-.01em}
.est-contact{margin:8px 0 0;font-size:14px;color:var(--calc-muted)}
.price-exact{font-family:var(--calc-ff-d);font-weight:900;font-size:32px;letter-spacing:-.03em;color:var(--calc-ink)}
.price-range-note{margin:6px 0 0}
.price-block{margin-bottom:8px}
.color-chips{display:flex;flex-wrap:wrap;gap:10px}
.color-chip{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600}
.color-chip .swatch,.selection-colors .swatch{width:24px;height:24px;border-radius:50%;border:1px solid rgba(0,0,0,.12);box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);flex:none}
.pattern-desc{display:block;margin-top:4px;font-size:12px;font-weight:500;color:var(--calc-muted)}
.selection-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0}
.selections-block{background:var(--calc-bg-2);border:1px solid var(--calc-line);border-radius:12px;padding:14px 16px;margin-bottom:20px}
.est-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.est-photo img{width:100%;border-radius:10px;border:1px solid var(--calc-line)}
.price-range{font-family:var(--calc-ff-d);font-weight:900;font-size:28px;letter-spacing:-.03em}
.price-note{font-family:var(--calc-ff-m);font-size:11px;color:var(--calc-blue);margin:4px 0}
.design-summary{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.design-chip{font-size:11px;font-weight:600;background:var(--calc-bg-2);border:1px solid var(--calc-line);border-radius:999px;padding:3px 8px 3px 3px;display:inline-flex;align-items:center;gap:5px}
.design-chip .dot{width:14px;height:14px;border-radius:50%;border:1px solid rgba(0,0,0,.08)}
.analysis{font-size:14px;color:var(--calc-ink-soft);margin:8px 0}
.issues{margin:0 0 8px;padding-left:18px;color:var(--calc-muted);font-size:13px}
.line-items{border-top:1px solid var(--calc-line);border-bottom:1px solid var(--calc-line);padding:8px 0;margin:8px 0}
.line-row{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px solid var(--calc-line);font-size:13px}
.line-row:last-child{border-bottom:0}
.line-row .note{font-size:11px;color:var(--calc-muted)}
.line-row .name{font-weight:600}
.line-row .amt{font-family:var(--calc-ff-d);font-weight:800;white-space:nowrap;font-size:13px}
.line-total{display:flex;justify-content:space-between;padding-top:8px;font-family:var(--calc-ff-d);font-weight:900;font-size:16px}
.label{font-family:var(--calc-ff-m);font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--calc-muted);margin:6px 0 4px}
.est-photo .ba-slider{margin:0;max-width:none}
.design-editor-toggle-row{margin-top:10px}
.design-editor-toggle-row .btn{width:100%;justify-content:center}
.design-editor{display:grid;gap:10px;margin-top:10px;padding:14px;border:1px solid var(--calc-line);border-radius:10px;background:var(--calc-bg-2)}
.est-photo-generating{position:relative}
.est-photo-generating img{aspect-ratio:3/2;object-fit:cover;display:block}
.est-photo-generating .preview-loading{position:absolute;inset:0;margin:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;border-radius:10px;border:none;background:rgba(11,20,40,.6)}
.est-photo-generating .preview-loading .cap{color:#fff}
.preview-card.preview-loading{aspect-ratio:4/3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;border-radius:8px;border:1px solid var(--calc-line);background:var(--calc-bg-2)}
.preview-card .cap{font-family:var(--calc-ff-m);font-size:9px;color:var(--calc-muted);text-align:center;margin-top:4px}
.preview-progress-ring{position:relative;width:64px;height:64px;display:flex;align-items:center;justify-content:center}
.preview-progress-track{stroke:var(--calc-line)}
.preview-progress-fill{stroke:var(--calc-blue);transition:stroke-dashoffset .2s linear}
.preview-progress-pct{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--calc-ff-m);font-size:12px;font-weight:700;color:var(--calc-blue)}
.est-foot{margin-top:24px;padding-top:16px;border-top:1px solid var(--calc-line);font-size:13px}
.location-pill{display:inline-block;margin-top:8px;font-size:12px;font-weight:600;color:var(--calc-blue);background:var(--calc-blue-soft);border:1px solid rgba(26,92,214,.25);padding:5px 10px;border-radius:999px}
.sqft-line{font-size:13px;color:var(--calc-ink-soft);margin:6px 0 0}
.est-detail{margin:16px 0;padding:14px 0;border-top:1px solid var(--calc-line)}
.muted{color:var(--calc-muted)}
.tiny{font-size:11px;margin-top:6px}

.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--calc-ink);color:#fff;padding:10px 16px;border-radius:999px;font-size:13px;z-index:99}

.selection-grid div{margin:0}
.selection-grid dt{font-family:var(--calc-ff-m);font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--calc-muted);margin:0 0 4px}
.selection-grid dd{margin:0;font-size:14px;font-weight:600;color:var(--calc-ink-soft);line-height:1.45}
.selection-colors{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}
.selections-block{margin-top:0;padding-top:0;border-top:0}
.previews-note{margin:0 0 10px}
@media (max-width:680px){.selection-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.selection-grid{grid-template-columns:1fr}}
.app-page{padding:36px 0 48px}
.app-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}
.app-head h1{font-family:var(--calc-ff-d);font-size:clamp(28px,4vw,36px);margin:8px 0 0}
.app-panel{max-width:640px;margin:0 auto;text-align:center;padding:32px 24px}
.estimate-list{display:grid;gap:12px}
.estimate-card{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 20px;border:1px solid var(--calc-line);border-radius:12px;background:#fff;text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s}
.estimate-card:hover{border-color:var(--calc-blue);box-shadow:0 8px 24px rgba(26,92,214,.08)}
.estimate-card h2{margin:0 0 6px;font-family:var(--calc-ff-d);font-size:18px}
.estimate-card-meta{margin:0;color:var(--calc-muted);font-size:13px}
.estimate-card-date{margin:6px 0 0;color:var(--calc-muted);font-size:12px}
.estimate-card-price{font-family:var(--calc-ff-d);font-weight:800;font-size:16px;white-space:nowrap;color:var(--calc-blue)}

.generating-panel{text-align:center;padding:36px 24px;max-width:520px;margin:0 auto}
.generating-panel h2{margin:0 0 20px;font-family:var(--calc-ff-d);font-size:22px}
.estimate-progress{text-align:left}
.estimate-progress-meta{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:10px;font-family:var(--calc-ff-m);font-size:12px}
.estimate-progress-pct{font-weight:700;color:var(--calc-blue);font-size:13px}
.estimate-progress-remaining{color:var(--calc-muted)}
.estimate-progress-track{height:10px;border-radius:999px;background:var(--calc-bg-2);border:1px solid var(--calc-line);overflow:hidden}
.estimate-progress-fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--calc-blue),#4B8BF4);transition:width .35s ease-out}
.estimate-progress-total{margin:12px 0 6px;font-size:12px}
.estimate-progress-step{margin:0;font-size:14px;font-weight:600;color:var(--calc-ink-soft);line-height:1.45}
.estimate-progress-stall{margin:10px 0 0;font-size:12px;line-height:1.45;color:var(--calc-blue)}
.preview-progress-wrap{margin:0 0 14px;padding:12px 14px;border:1px solid var(--calc-line);border-radius:10px;background:var(--calc-bg-2)}
.preview-progress-head{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px;font-family:var(--calc-ff-m);font-size:11px}
.preview-progress-label{font-weight:700;color:var(--calc-ink-soft)}
.preview-progress-remaining{color:var(--calc-muted)}
.preview-progress-track{height:8px}
@media (max-width:860px){.est-grid{grid-template-columns:1fr}.est-photo .ba-slider-frame,.est-photo-generating img{aspect-ratio:4/3}}
@media (max-width:520px){.row-2,.more-grid{grid-template-columns:1fr}}

.dashboard-page .estimate-doc{border:0;padding:0;background:transparent}
.dashboard-page .result-panel{padding:0}
@media print{
  .dashboard-header,.dashboard-drawer,.dashboard-settings-panel,.dashboard-backdrop,.verify-banner,.no-print{display:none!important}
  .dashboard-shell{display:block}
  .dashboard-main{padding:0;max-width:none}
  .estimate-doc{border:0;padding:0}
}