:root{--navy: #1f3a5f;--navy-2: #2c5282;--bg: #f4f6f9;--card: #ffffff;--ink: #1a202c;--muted: #718096;--line: #e2e8f0;--green: #38a169;--amber: #e2a22b;--red: #e53e3e}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}.app{max-width:640px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}.topbar{background:var(--navy);color:#fff;padding:calc(env(safe-area-inset-top) + 16px) 18px 16px}.topbar .logo{display:block;height:34px;width:auto;margin:0 0 12px}.topbar h1{margin:0;font-size:22px;font-weight:700}.blurb{margin:8px 0 0;font-size:13px;color:#cbd5e0;line-height:1.4}main{padding:16px;display:flex;flex-direction:column;gap:16px;flex:1}.card{background:var(--card);border-radius:14px;padding:16px;box-shadow:0 1px 3px #00000014}.field-label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:8px}.segmented{display:flex;gap:6px;margin-bottom:16px}.seg{flex:1;padding:11px 6px;border:1px solid var(--line);background:#fff;border-radius:9px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer}.seg.active{background:var(--navy-2);border-color:var(--navy-2);color:#fff}.row{display:flex;gap:12px}.field{flex:1;margin-bottom:14px}.field:last-child{margin-bottom:0}.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}.field input,.field select{width:100%;padding:12px;border:1px solid var(--line);border-radius:9px;font-size:17px;background:#fff;color:var(--ink)}.field input:focus,.field select:focus{outline:2px solid var(--navy-2);border-color:var(--navy-2)}.results{display:flex;flex-direction:column;gap:16px}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat{background:var(--card);border-radius:12px;padding:14px;box-shadow:0 1px 3px #00000014;display:flex;flex-direction:column;gap:4px}.stat.primary{grid-column:1 / -1;background:var(--navy);color:#fff}.stat.muted .stat-value{color:var(--muted);font-size:15px;font-weight:500}.stat-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;opacity:.8}.stat-value{font-size:22px;font-weight:700}.stat.primary .stat-value{font-size:28px}.legend-block{display:flex;flex-direction:column;gap:8px}.legend-title{font-size:13px;font-weight:600;color:var(--muted)}.legend{display:flex;flex-wrap:wrap;gap:6px}.chip{font-size:11px;font-weight:700;padding:4px 9px;border-radius:20px;color:#1a202c}.chip.green{background:var(--green);color:#fff}.chip.amber{background:var(--amber);color:#1a202c}.chip.red{background:var(--red);color:#fff}.options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.options-3{grid-template-columns:1fr 1fr 1fr;gap:8px}.option-col{background:var(--card);border-radius:12px;padding:14px;box-shadow:0 1px 3px #00000014}.options-3 .option-col{padding:10px}.option-col h3{margin:0 0 10px;font-size:13px;color:var(--navy)}.options-3 .option-col h3{font-size:11px}.option-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.options-3 .option-col{align-self:start}.opt{display:flex;justify-content:space-between;align-items:baseline;padding:10px 12px;border-radius:8px}.opt .size{font-size:16px;font-weight:700}.opt .meta{display:flex;align-items:center;gap:6px}.opt .shape-icon{height:15px;width:auto;display:block}.opt .ratio{font-size:12px;font-weight:600;opacity:.9}.options-3 .opt{flex-direction:column;align-items:flex-start;gap:4px;padding:8px 10px}.options-3 .opt .size{font-size:15px}.opt.green{background:var(--green);color:#fff}.opt.amber{background:var(--amber);color:#1a202c}.opt.red{background:var(--red);color:#fff}.empty{font-size:13px;color:var(--muted)}.foot{padding:18px;text-align:center;font-size:12px;color:var(--muted)}