:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #15221c;
  background: #f4f7f5;
  line-height: 1.5;
}

* { box-sizing: border-box; }

body { margin: 0; min-height: 100vh; }

.container {
  width: min(100% - 2rem, 820px);
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 5rem) 0;
}

header { margin-bottom: 2rem; }
.eyebrow { color: #26734d; font-weight: 750; letter-spacing: .08em; margin: 0 0 .35rem; text-transform: uppercase; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); letter-spacing: -.04em; line-height: 1.05; margin: 0; }
.intro { color: #526259; font-size: 1.05rem; margin: .8rem 0 0; }

form, .results {
  background: #fff;
  border: 1px solid #dce5df;
  border-radius: 18px;
  box-shadow: 0 14px 35px rgba(20, 50, 35, .07);
  padding: clamp(1.2rem, 4vw, 2rem);
}

.results { margin-top: 1.25rem; }
h2 { font-size: 1.15rem; margin: 0 0 1rem; }
.field { display: flex; flex-direction: column; gap: .45rem; }
label { font-weight: 700; }

textarea, input {
  background: #fbfdfc;
  border: 1px solid #bac9c0;
  border-radius: 10px;
  color: inherit;
  font: inherit;
  padding: .85rem 1rem;
  width: 100%;
}

textarea { min-height: 180px; resize: vertical; }
input[readonly] { background: #f1f5f2; }
textarea:focus, input:focus { border-color: #26734d; box-shadow: 0 0 0 3px rgba(38, 115, 77, .16); outline: none; }
.field-meta { color: #66756d; display: flex; font-size: .84rem; gap: 1rem; justify-content: space-between; }

button {
  background: #176b46;
  border: 0;
  border-radius: 10px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  margin-top: 1.25rem;
  min-height: 48px;
  padding: .75rem 1.25rem;
  width: 100%;
}
button:hover { background: #105638; }
button:focus-visible { outline: 3px solid #91c9ab; outline-offset: 3px; }
button:disabled { cursor: wait; opacity: .7; }
.status, .error { margin: .9rem 0 0; }
.status { color: #46584e; }
.error { background: #fff0f0; border-radius: 8px; color: #9c2929; padding: .75rem; }
.result-grid { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }
.result-wide { grid-column: 1 / -1; }

@media (max-width: 600px) {
  .container { width: min(100% - 1rem, 820px); padding: 1rem 0 2rem; }
  form, .results { border-radius: 14px; }
  .result-grid { grid-template-columns: 1fr; }
  .result-wide { grid-column: auto; }
  .field-meta { align-items: flex-end; flex-direction: column; gap: .2rem; }
}

@media (prefers-reduced-motion: no-preference) {
  button { transition: background-color .15s ease, opacity .15s ease; }
}