:root{
  --green:#183f2b; --green2:#286043; --cream:#f4f1e7; --ink:#172019;
  --muted:#68736b; --line:#d8ded9; --white:#fff; --yellow:#ffd23f; --blue:#3d7eff; --red:#a72c2c;
}
*{box-sizing:border-box}
body{margin:0;background:var(--cream);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,select{font:inherit}
.app-header{padding:calc(18px + env(safe-area-inset-top)) 18px 16px;background:linear-gradient(135deg,var(--green),#0f2d1e);color:white;display:flex;align-items:center;justify-content:space-between}
h1{margin:0;font-size:2rem}.subtitle{margin:.2rem 0 0;opacity:.82}.eyebrow{font-size:.7rem;letter-spacing:.14em;font-weight:800;margin:0 0 5px;color:#8eb79e}
.tabs{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:repeat(3,1fr);background:white;border-bottom:1px solid var(--line)}
.tab{border:0;background:white;padding:14px;font-weight:750;color:var(--muted)}
.tab.active{color:var(--green);border-bottom:3px solid var(--green)}
main{max-width:920px;margin:auto;padding:16px}
.view{display:none}.view.active{display:block}
.card{background:white;border:1px solid var(--line);border-radius:18px;padding:16px;margin-bottom:14px;box-shadow:0 8px 30px rgba(28,55,39,.06)}
.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
label{display:grid;gap:6px;font-size:.83rem;font-weight:700;color:#39453d}
input,select{width:100%;border:1px solid #cbd4cd;border-radius:11px;padding:12px;background:#fbfcfb;color:var(--ink)}
.camera-actions,.button-row,.section-heading{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
button,.file-button{border:0;border-radius:12px;padding:12px 15px;font-weight:800;cursor:pointer;text-align:center}
.primary{background:var(--green);color:white}.secondary{background:#eaf0ec;color:var(--green)}.ghost{background:transparent;color:white;border:1px solid rgba(255,255,255,.45)}.danger{background:#f8e7e7;color:var(--red)}
.file-button input{display:none}.hint,.status{font-size:.8rem;color:var(--muted);line-height:1.45}
.image-canvas{width:100%;height:auto;border-radius:14px;display:none;background:#111;margin-top:12px}
.empty-state{min-height:260px;border:2px dashed #cbd4cd;border-radius:14px;display:grid;place-items:center;text-align:center;color:var(--muted);padding:30px;margin-top:12px}
.result-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.metric{border-radius:16px;padding:18px;text-align:center}.metric span{display:block;font-size:2.4rem;font-weight:900}.metric small{font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.sunlight{background:#fff7d4}.canopy{background:#e8f0ff}
.slider-label{margin:18px 0 10px}.legend{display:flex;gap:20px;margin:10px 0 18px;color:var(--muted);font-size:.82rem;font-weight:700}.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px}.yellow{background:var(--yellow)}.blue{background:var(--blue)}
.record-list{display:grid;gap:10px;margin-top:14px}.record{border:1px solid var(--line);border-radius:14px;padding:13px;display:grid;grid-template-columns:1fr auto;gap:8px}.record h3{margin:0}.record p{margin:4px 0;color:var(--muted);font-size:.82rem}.badge{font-size:.75rem;font-weight:850;padding:7px 9px;border-radius:999px;background:#eef4ef;color:var(--green);align-self:start}.record-actions{grid-column:1/-1;display:flex;gap:8px}.record-actions button{padding:8px 10px;font-size:.78rem}
.compact button{padding:9px 11px;font-size:.8rem}.check{display:flex;align-items:center;gap:10px;margin:14px 0}.check input{width:auto}
.hidden{display:none!important}footer{text-align:center;color:var(--muted);padding:16px 16px calc(22px + env(safe-area-inset-bottom));font-size:.75rem}
@media(max-width:620px){.field-grid{grid-template-columns:1fr}.result-row{grid-template-columns:1fr 1fr}.button-row>*{flex:1}.section-heading{align-items:flex-start}}
@media print{.app-header,.tabs,footer,#measure,#settings,.button-row,.record-actions{display:none!important}#records{display:block!important}.card{box-shadow:none;border:0}.record{break-inside:avoid}}