:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #657089;
  --border: #d9dfeb;
  --primary: #155eef;
  --primary-dark: #0f49bd;
  --danger: #c2410c;
  --danger-dark: #9a3412;
  --soft: #eef4ff;
  --shadow: 0 14px 35px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

button, input, textarea, select { font: inherit; }
button {
  border: 0;
  cursor: pointer;
  border-radius: 12px;
  padding: 11px 14px;
  font-weight: 800;
  min-height: 44px;
}
button:active { transform: translateY(1px); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 {
  margin: 0;
  font-size: clamp(18px, 4vw, 24px);
  line-height: 1.15;
}
.topbar p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.app-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(300px, 1fr);
  gap: 16px;
  padding: 16px;
  max-width: 1500px;
  margin: 0 auto;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 16px;
}
.receiver-card, .list-card { grid-column: 1 / -1; }

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.section-title h2 {
  margin: 0;
  font-size: clamp(17px, 3.8vw, 19px);
}

textarea {
  width: 100%;
  min-height: 260px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  outline: none;
  line-height: 1.5;
  background: #fbfcff;
}
textarea:focus, input:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21, 94, 239, 0.12);
}
label {
  display: block;
  font-weight: 800;
  margin: 12px 0 6px;
  color: #27344f;
}
input, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  min-height: 44px;
  outline: none;
  background: #fbfcff;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(210px, 1fr));
  gap: 12px;
}
.address-grid { margin-top: 8px; }
.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.input-with-btn {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}
.actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
}
.export-row { justify-content: flex-end; }

.primary-btn { background: var(--primary); color: #ffffff; }
.primary-btn:hover { background: var(--primary-dark); }
.secondary-btn { background: var(--soft); color: var(--primary); }
.ghost-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.danger-btn { background: #fff1eb; color: var(--danger); }
.danger-btn:hover { color: #ffffff; background: var(--danger-dark); }
.small-btn { min-height: 36px; padding: 8px 10px; border-radius: 10px; }
.wide-btn { width: 100%; margin-top: 18px; }

.hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}
.status-msg {
  margin: 10px 0 0;
  min-height: 22px;
  color: var(--primary);
  font-weight: 800;
}
.status-msg.error { color: var(--danger); }
.badge {
  background: var(--soft);
  color: var(--primary);
  border-radius: 999px;
  padding: 7px 12px;
  font-weight: 900;
  white-space: nowrap;
}

.scanner-box {
  margin-top: 12px;
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 12px;
  background: #fbfcff;
}
.scanner-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.scanner-video,
.reader-box {
  width: 100%;
  min-height: 260px;
  background: #111827;
  border-radius: 14px;
  overflow: hidden;
  object-fit: cover;
}
#reader video { border-radius: 14px; }
.scanner-actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}
.file-scan-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  border-radius: 12px;
  min-height: 44px;
  padding: 11px 14px;
  background: var(--soft);
  color: var(--primary);
  font-weight: 800;
  cursor: pointer;
}
.file-scan-btn input { display: none; }
.scanner-hint { margin-top: 10px; }
.hidden { display: none !important; }

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}
th, td {
  text-align: left;
  padding: 11px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
th {
  font-size: 13px;
  color: var(--muted);
  background: #fbfcff;
}
.empty-row { text-align: center; color: var(--muted); padding: 22px; }
.row-action-btn { min-height: 34px; padding: 7px 10px; }
.mobile-parcel-list { display: none; }
.empty-mobile-card {
  color: var(--muted);
  text-align: center;
  padding: 18px;
  border: 1px dashed var(--border);
  border-radius: 14px;
}
.parcel-mini-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: #fbfcff;
  margin-bottom: 10px;
}
.mini-card-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}
.mini-card-grid {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 6px 10px;
  font-size: 14px;
}
.mini-card-grid span { color: var(--muted); }
.mini-card-grid b { word-break: break-word; }

dialog {
  width: min(960px, calc(100vw - 24px));
  border: 0;
  border-radius: 20px;
  padding: 0;
  box-shadow: 0 30px 90px rgba(15, 23, 42, 0.28);
}
dialog::backdrop { background: rgba(15, 23, 42, 0.45); }
.settings-form { padding: 18px; }

@media (max-width: 860px) {
  body { background: #ffffff; }
  .topbar {
    align-items: flex-start;
    padding: 12px;
  }
  .topbar p { display: none; }
  .topbar .secondary-btn { padding-inline: 12px; }
  .app-grid {
    grid-template-columns: 1fr;
    padding: 10px;
    gap: 10px;
  }
  .card {
    border-radius: 16px;
    padding: 13px;
    box-shadow: none;
  }
  .section-title { align-items: flex-start; }
  textarea { min-height: 230px; font-size: 15px; }
  .form-grid, .mini-grid, .input-with-btn {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .input-with-btn button { width: 100%; }
  .actions-row button { flex: 1 1 150px; }
  .export-row { justify-content: stretch; }
  .export-row button { width: 100%; }
  .scanner-video, .reader-box { min-height: 320px; }
  .table-wrap { display: none; }
  .mobile-parcel-list { display: block; }
  dialog {
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
  }
  .settings-form {
    min-height: 100dvh;
    overflow-y: auto;
    padding: 14px;
  }
}

@media (max-width: 430px) {
  .topbar h1 { font-size: 17px; }
  button { padding-inline: 12px; }
  .card { padding: 12px; }
  .section-title { gap: 8px; }
  .section-title h2 { font-size: 16px; }
  label { font-size: 14px; }
  input, select, textarea { font-size: 16px; }
  .scanner-video, .reader-box { min-height: 280px; }
  .mini-card-top { align-items: flex-start; }
}

#reader video,
#reader canvas {
  width: 100% !important;
  max-width: 100% !important;
  border-radius: 14px;
}

#reader canvas.drawingBuffer {
  position: absolute;
  left: 0;
  top: 0;
}