:root {
  --bg-a: #f4efe3;
  --bg-b: #dbe7c9;
  --ink: #1f2a1f;
  --muted: #566452;
  --card: #fffef7;
  --accent: #0d7a5f;
  --accent-ink: #ffffff;
  --error: #b3261e;
  --border: #d9decf;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 20%, rgba(13, 122, 95, 0.15), transparent 35%),
    radial-gradient(circle at 85% 80%, rgba(171, 104, 41, 0.16), transparent 32%),
    linear-gradient(135deg, var(--bg-a), var(--bg-b));
  min-height: 100vh;
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(760px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 18px 34px rgba(24, 40, 25, 0.14);
}

h1 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
}

p {
  margin-top: 0;
  margin-bottom: 18px;
  color: var(--muted);
}

form {
  display: grid;
  gap: 12px;
}

label {
  font-weight: 700;
  font-size: 0.95rem;
}

input[type="text"],
input[type="file"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
}

button {
  margin-top: 8px;
  border: 0;
  border-radius: 10px;
  padding: 12px 16px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  filter: brightness(0.95);
}

.status {
  margin-top: 16px;
  color: var(--ink);
}

.status.error {
  color: var(--error);
}

.links {
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #f8fbf2;
}

.links p {
  margin: 0 0 8px;
  color: var(--ink);
  font-weight: 700;
}

.links a {
  display: block;
  color: #0a5f96;
  text-decoration: none;
  margin-bottom: 6px;
  overflow-wrap: anywhere;
}

.links a:hover {
  text-decoration: underline;
}

.result {
  margin-top: 12px;
  padding: 12px;
  background: #f6f8ef;
  border: 1px solid var(--border);
  border-radius: 10px;
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
}