:root {
  color-scheme: light;
  --bg1: #f4eee3;
  --bg2: #d9e4e8;
  --card: #ffffffd9;
  --ink: #142033;
  --muted: #4d5a6a;
  --line: #b8c2cf;
  --btn: #142033;
  --btn-ink: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top right, var(--bg2), var(--bg1));
}

.app {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 24px 16px calc(24px + env(safe-area-inset-bottom));
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4.6vw, 2.3rem);
}

.subtitle {
  margin-top: 8px;
  color: var(--muted);
}

.camera-wrap {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #000;
  min-height: 260px;
}

video {
  display: block;
  width: 100%;
  height: auto;
  max-height: 68vh;
  object-fit: cover;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

button {
  flex: 1;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 1rem;
  font-weight: 700;
  background: var(--btn);
  color: var(--btn-ink);
}

button:disabled {
  opacity: 0.45;
}

.fallback {
  margin-top: 14px;
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.fallback input {
  width: 100%;
}

.result {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  padding: 14px;
}

.swatch {
  width: 100%;
  height: 110px;
  border-radius: 10px;
  border: 1px solid #00000026;
  background: #ccc;
  margin-bottom: 10px;
}

.result p {
  margin: 6px 0;
  font-size: 1rem;
}

.note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 450px) {
  .actions {
    flex-direction: column;
  }
}