* {
  box-sizing: border-box;
}

body {
  font-family: Helvetica, Arial, sans-serif;
  background: #f4f4f4;
  margin: 0;
  padding: 16px;
  color: #222;
}

h1 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 4px;
}

.subtitle {
  font-size: 0.85rem;
  color: #666;
  margin: 0 0 20px;
}

.scanner-section {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.scanner-section h2 {
  font-size: 1rem;
  margin: 0 0 12px;
}

#viewport {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4/3;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

#viewport video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#viewport canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.scan-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.scan-frame {
  width: 70%;
  height: 40%;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 6px;
  box-shadow: 0 0 0 2000px rgba(0,0,0,0.35);
}

.btn-row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

button {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  padding: 9px 18px;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  font-weight: 600;
}

#startBtn {
  background: #2563eb;
  color: #fff;
}

#stopBtn {
  background: #e5e7eb;
  color: #333;
  display: none;
}

.manual-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.manual-row input {
  flex: 1;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 16px;
  padding: 8px 12px;
  border: 1px solid #d1d5db;
  border-radius: 7px;
  outline: none;
}

.manual-row input:focus {
  border-color: #2563eb;
}

.manual-row button {
  background: #2563eb;
  color: #fff;
}

#feedback {
  margin-top: 12px;
  min-height: 32px;
  font-size: 0.9rem;
}

.feedback-ok {
  color: #16a34a;
  font-weight: 600;
}

.feedback-warn {
  color: #d97706;
  font-weight: 600;
}

.feedback-err {
  color: #dc2626;
  font-weight: 600;
}

.records-section {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.records-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.records-header h2 {
  font-size: 1rem;
  margin: 0;
}

.header-btns {
  display: flex;
  gap: 8px;
}

#exportBtn {
  background: #16a34a;
  color: #fff;
  font-size: 0.82rem;
  padding: 7px 14px;
}

#exportBtn:disabled {
  background: #d1d5db;
  color: #999;
  cursor: not-allowed;
}

#clearBtn {
  background: #fee2e2;
  color: #b91c1c;
  font-size: 0.82rem;
  padding: 7px 14px;
}

.filter-row {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.filter-row button {
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: 500;
  background: #e5e7eb;
  color: #333;
}

.filter-row button.active {
  background: #2563eb;
  color: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

thead th {
  text-align: left;
  padding: 7px 10px;
  background: #f9fafb;
  border-bottom: 2px solid #e5e7eb;
  font-weight: 600;
  color: #555;
}

tbody tr:nth-child(even) {
  background: #fafafa;
}

tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid #f0f0f0;
  vertical-align: middle;
}

.check-cell {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
}

.check-item .tick {
  color: #16a34a;
  font-size: 1rem;
  line-height: 1;
}

.check-item .time-label {
  color: #444;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
}

.badge-done {
  background: #dcfce7;
  color: #15803d;
}

.badge-partial {
  background: #fef9c3;
  color: #92400e;
}

.empty-msg {
  text-align: center;
  color: #aaa;
  padding: 30px 0;
  font-size: 0.9rem;
}

.conn-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 5px;
  background: #d1d5db;
}

.conn-dot.ok { background: #16a34a; }
.conn-dot.err { background: #dc2626; }

#connStatus {
  font-size: 0.78rem;
  color: #888;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}

.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 22px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
  z-index: 9999;
  max-width: 90vw;
  text-align: center;
  pointer-events: none;
  animation: toast-in 0.18s ease;
}

.toast-ok  { background: #16a34a; }
.toast-warn { background: #d97706; }
.toast-err  { background: #dc2626; }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.btn-edit-id {
  font-size: 0.72rem;
  padding: 2px 5px;
  background: none;
  color: #ccc;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  margin-left: 4px;
  vertical-align: middle;
  line-height: 1.4;
}

.btn-edit-id:hover { color: #2563eb; border-color: #2563eb; }

.btn-del-scan {
  font-size: 0.65rem;
  padding: 1px 4px;
  background: none;
  color: #ddd;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-weight: 700;
  line-height: 1;
  vertical-align: middle;
}

.btn-del-scan:hover { color: #dc2626; background: #fee2e2; }

.btn-del-row {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: #fee2e2;
  color: #b91c1c;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
}

.btn-del-row:hover { background: #fecaca; }

.edit-id-input {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 16px;
  padding: 3px 6px;
  border: 2px solid #2563eb;
  border-radius: 4px;
  width: 100%;
  font-weight: 700;
  outline: none;
}