:root{--bg1:#d9f2ec;--bg2:#eef7f4;--ink:#12302f;--muted:#5d7a78;--accent:#1fa38a;--accent-dark:#0f3d3e;--line:#dbe8e5;color:var(--ink);font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box;margin:0}body{background:linear-gradient(135deg, var(--bg1), var(--bg2));min-height:100vh}.page{place-items:center;min-height:100vh;padding:24px;display:grid}.card{background:#fff;border-radius:20px;grid-template-columns:1fr 1fr;gap:28px;width:100%;max-width:820px;padding:32px;display:grid;box-shadow:0 20px 50px #0f3d3e1f}.head{grid-column:1/-1;align-items:center;gap:12px;display:flex}.logo{background:var(--accent);color:#fff;border-radius:12px;place-items:center;width:40px;height:40px;font-size:20px;font-weight:800;display:grid}h1{letter-spacing:-.02em;font-size:24px;font-weight:800}.inputs{flex-direction:column;gap:22px;display:flex}.field{flex-direction:column;gap:10px;display:flex}.field>span{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:13px;font-weight:600}.input-wrap{background:#f4f9f8;border:2px solid #0000;border-radius:12px;align-items:center;padding:0 16px;transition:border-color .15s;display:flex}.input-wrap:focus-within,.input-wrap.custom{border-color:var(--accent)}.input-wrap input{min-width:0;font:inherit;color:var(--ink);font-variant-numeric:tabular-nums;background:0 0;border:none;outline:none;flex:1;padding:12px 0;font-size:22px;font-weight:700}.prefix,.suffix{color:var(--muted);font-size:20px;font-weight:700}.prefix{margin-right:8px}.suffix{margin-left:8px}input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}.presets{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.chip{font:inherit;border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;border-radius:10px;padding:10px 0;font-size:15px;font-weight:700;transition:all .15s}.chip:hover{border-color:var(--accent)}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.stepper{background:#f4f9f8;border-radius:12px;justify-content:space-between;align-items:center;padding:6px;display:flex}.stepper strong{font-size:16px}.stepper button{width:40px;height:40px;color:var(--accent-dark);cursor:pointer;background:#fff;border:none;border-radius:10px;font-size:22px;font-weight:700;box-shadow:0 1px 3px #00000014}.stepper button:disabled{opacity:.4;cursor:default}.results{background:var(--accent-dark);color:#fff;border-radius:16px;flex-direction:column;gap:18px;padding:28px;display:flex}.row{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.row span{color:#a9d6cd;font-weight:500}.row strong{font-variant-numeric:tabular-nums;font-size:26px}.row.total{border-top:1px solid #ffffff26;padding-top:18px}.row.total strong{color:#5ef0cf;letter-spacing:-.02em;font-size:40px}.split{grid-template-columns:1fr 1fr;gap:10px;display:grid}.split div{background:#ffffff14;border-radius:12px;flex-direction:column;gap:4px;padding:12px;display:flex}.split span{color:#a9d6cd;font-size:12px}.split strong{font-variant-numeric:tabular-nums;font-size:18px}.reset{font:inherit;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-dark);cursor:pointer;background:#5ef0cf;border:none;border-radius:12px;margin-top:auto;padding:14px;font-weight:700}.reset:disabled{opacity:.35;cursor:default}@media (width<=720px){.card{grid-template-columns:1fr;padding:22px}.row.total strong{font-size:34px}}