:root {
  --bg: #eef2eb;
  --panel: rgba(255, 255, 255, 0.92);
  --text: #142123;
  --muted: #506067;
  --accent: #0f7b68;
  --accent-dark: #0a5648;
  --error: #8a1f1f;
  --border: rgba(20, 33, 35, 0.12);
  --shadow: 0 18px 40px rgba(22, 34, 36, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 123, 104, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(190, 143, 72, 0.12), transparent 24%),
    linear-gradient(160deg, #f6f4ed 0%, #e6efe9 100%);
  color: var(--text);
}

.wrap {
  width: min(1160px, 94vw);
  margin: 28px auto 32px;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.muted {
  color: var(--muted);
  margin-top: 0.4rem;
}

.compact {
  margin-bottom: 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
}

.status-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.status-label,
.preset-grid span {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-card strong {
  font-size: 1.5rem;
}

.status-file {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 0.92rem;
}

.status-ok strong {
  color: var(--accent-dark);
}

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

.error {
  background: #fdecec;
  color: var(--error);
  border: 1px solid #f4c1c1;
  padding: 12px 14px;
  border-radius: 14px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.row {
  margin-bottom: 12px;
}

.row label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

input[type="file"],
input[type="number"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 0.98rem;
  background: rgba(255, 255, 255, 0.9);
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.preset-grid div {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.7);
}

.preset-grid strong {
  display: block;
  margin-top: 6px;
  font-size: 1.02rem;
}

button {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(15, 123, 104, 0.2);
}

button:hover {
  filter: brightness(0.98);
}

iframe {
  width: 100%;
  height: 72vh;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.viewer {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

code {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
  }

  iframe {
    height: 62vh;
  }
}