:root{--bg: #0f172a;--card: #1e293b;--ink: #f1f5f9;--muted: #94a3b8;--accent: #16a34a;--accent-d: #15803d;--good: #16a34a;--warn: #f59e0b;--bad: #ef4444;--line: #334155;--sand: #d9b779;--loam: #8b6b4a;--silt: #a7b58a;--clay: #c2603f}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}.wrap{max-width:480px;margin:0 auto;padding:16px 16px 96px}h1{font-size:1.6rem;margin:8px 0 4px}h2{font-size:1.25rem;margin:0 0 8px}.muted{color:var(--muted)}.small{font-size:.85rem}button{font:inherit;cursor:pointer;border:none;border-radius:12px;padding:14px 18px;background:var(--accent);color:#fff;min-height:48px}button:active{background:var(--accent-d)}input,select{font:inherit;width:100%;padding:14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);min-height:48px;margin-bottom:10px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin:12px 0}.head{margin-bottom:4px}.tag{margin:0;line-height:1.4}.progress{display:flex;gap:8px;margin-bottom:12px}.dot{flex:1;height:6px;border-radius:4px;background:var(--line);transition:background .2s}.dot.on{background:var(--accent)}.stepnum{margin:0 0 6px}.q{line-height:1.35;margin-bottom:16px}.opts{display:flex;flex-direction:column;gap:10px}.opt{background:var(--bg);border:1px solid var(--line);color:var(--ink);text-align:left;line-height:1.35;min-height:56px}.opt:active{background:var(--card);border-color:var(--accent)}.ghost{background:transparent;color:var(--muted);border:1px solid var(--line);width:100%;margin-top:12px}.ghost:active{background:var(--card)}.back{width:auto;margin-top:14px;padding:10px 16px;min-height:44px}.result{border-left:6px solid var(--loam)}.result.cat-sand{border-left-color:var(--sand)}.result.cat-loam{border-left-color:var(--loam)}.result.cat-silt{border-left-color:var(--silt)}.result.cat-clay{border-left-color:var(--clay)}.soiltype{font-size:1.7rem;margin:2px 0 8px}.pill{display:inline-block;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.82rem;color:var(--ink)}.pill.small{padding:3px 9px;font-size:.78rem}.blurb{line-height:1.5;margin:12px 0}.sub{font-size:1rem;margin:18px 0 8px;color:var(--accent)}.amend{margin:0;padding-left:20px;line-height:1.6}.amend li{margin-bottom:6px}.savebox{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}.save{width:100%;margin-top:4px}.thumb{width:100%;max-height:200px;object-fit:cover;border-radius:12px;margin-bottom:10px;display:block}.limit{margin-top:18px;border-top:1px solid var(--line);padding-top:14px;line-height:1.5}.upgrade{display:block;text-align:center;text-decoration:none;background:var(--warn);color:#1f1300;font-weight:700;border-radius:12px;padding:15px 18px;min-height:48px;margin-top:8px}.upgrade:active{filter:brightness(.92)}.upgrade.soft{background:transparent;color:var(--warn);border:1px solid var(--warn);font-weight:600}.saved{margin-top:24px}.savedhead{display:flex;align-items:baseline;justify-content:space-between}.sample{display:flex;gap:12px;align-items:flex-start;border-left:6px solid var(--loam)}.sample.cat-sand{border-left-color:var(--sand)}.sample.cat-loam{border-left-color:var(--loam)}.sample.cat-silt{border-left-color:var(--silt)}.sample.cat-clay{border-left-color:var(--clay)}.sample .thumb{width:72px;height:72px;margin-bottom:0;flex-shrink:0}.sampleinfo{flex:1;min-width:0}.sampleinfo strong{display:block;margin-bottom:6px}.notes{margin:6px 0 2px;line-height:1.4}.del{background:transparent;color:var(--muted);border:1px solid var(--line);padding:0;width:44px;height:44px;min-height:44px;flex-shrink:0;border-radius:10px}.del:active{background:var(--card);color:var(--bad)}.foot{margin-top:28px;line-height:1.5;text-align:center}