:root {
  --green: #0f4c3a;
  --green-light: #16694f;
  --red: #b3261e;
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #6b7280;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, Roboto, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  background: var(--green);
  color: white;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 { font-size: 18px; margin: 0; }

#logout-btn, .btn-secondary {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.6);
  color: white;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
}

main { padding: 16px; max-width: 520px; margin: 0 auto; }

.hidden { display: none !important; }

input, button {
  font-size: 16px; /* prevents iOS zoom-on-focus */
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  width: 100%;
  margin-bottom: 12px;
}

button {
  background: var(--green);
  color: white;
  border: none;
  font-weight: 600;
}

button:active { background: var(--green-light); }

button.danger { background: var(--red); }

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.order-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.order-card .marketplace-tag {
  display: inline-block;
  background: #e6f0ec;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  width: fit-content;
}

.order-card .sku { font-size: 15px; font-weight: 600; }
.order-card .meta { font-size: 13px; color: var(--muted); }

.step {
  text-align: center;
}

.step .label {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}

.step .value {
  font-size: 20px;
  font-weight: 700;
  color: var(--green);
  word-break: break-all;
}

#qr-reader {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
}

.banner {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 12px;
  font-size: 14px;
}

.banner.success { background: #e6f4ea; color: #1a7431; }
.banner.error { background: #fdecea; color: var(--red); }

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 40px 16px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--green);
  font-weight: 600;
  padding: 8px;
  width: auto;
  text-decoration: underline;
}