:root {
  --bg-1: #f7f4eb;
  --bg-2: #dce8e6;
  --panel: #fffdfa;
  --ink: #1f2d2c;
  --muted: #5f6f6d;
  --accent: #0f766e;
  --accent-2: #cc5803;
  --danger: #a61b1b;
  --border: #d7d5cd;
  --code-bg: #f2f4f3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 10% 10%, var(--bg-2), transparent 40%),
    radial-gradient(circle at 85% 90%, #e8ddd2, transparent 40%),
    var(--bg-1);
}

.layout {
  width: min(1100px, 94vw);
  margin: 1.5rem auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 16px 30px rgba(24, 41, 41, 0.08);
}

h1,
h2,
h3 {
  margin: 0.4rem 0 0.6rem;
}

.lead {
  margin-top: 0;
  color: var(--muted);
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 120px;
  font: inherit;
  padding: 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.button-row {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

button {
  border: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

button.secondary {
  background: var(--accent-2);
}

.status {
  margin-top: 0.7rem;
  color: var(--muted);
  min-height: 1.2rem;
}

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

.camera-wrap {
  margin-top: 0.8rem;
}

.camera-wrap video {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #111;
}

.hidden {
  display: none;
}

.key-metrics {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.metric {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.6rem;
  background: linear-gradient(145deg, #ffffff, #f1f6f5);
}

.metric span {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.metric strong {
  display: block;
  margin-top: 0.25rem;
  word-break: break-word;
}

.code-block {
  margin-top: 0.2rem;
  margin-bottom: 1rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 56px;
}

@media (min-width: 920px) {
  .layout {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .input-panel {
    position: sticky;
    top: 1rem;
  }
}

.title-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.page-note {
  width: min(1100px, 94vw);
  margin: -0.3rem auto 1rem;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.25;
  opacity: 0.85;
  text-align: center;
}

.page-note a {
  color: var(--accent);
}

@media (max-width: 700px) {
  .key-metrics {
    grid-template-columns: 1fr;
  }
}