* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: #0f172a;
  color: #f1f5f9;
  min-height: 100vh;
}
.wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px 48px;
  text-align: center;
}
h1 {
  font-size: 1.6rem;
  margin-bottom: 4px;
}
.sub {
  color: #94a3b8;
  margin-top: 0;
  margin-bottom: 24px;
}
.btn-group {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.btn {
  flex: 1;
  padding: 28px 0;
  font-size: 1.4rem;
  font-weight: 700;
  border: none;
  border-radius: 16px;
  color: #fff;
  cursor: pointer;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-in {
  background: #16a34a;
}
.btn-out {
  background: #dc2626;
}

.camera-box {
  margin-bottom: 20px;
}
.camera-box video {
  width: 100%;
  border-radius: 16px;
  background: #000;
  transform: scaleX(-1);
}
.capture-status {
  margin-top: 8px;
  color: #facc15;
  font-weight: 600;
}

.result-box {
  padding: 16px;
  border-radius: 12px;
  font-size: 1.05rem;
  line-height: 1.5;
}
.result-box.ok {
  background: #14532d;
  border: 1px solid #22c55e;
}
.result-box.error {
  background: #450a0a;
  border: 1px solid #ef4444;
}
.warn {
  color: #facc15;
  font-weight: 700;
}

.hidden {
  display: none !important;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
  margin-bottom: 20px;
}
.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: #cbd5e1;
}
.form input {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #334155;
  background: #1e293b;
  color: #f1f5f9;
  font-size: 1rem;
}