/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f0f4f8;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.container {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.10);
  max-width: 680px;
  width: 100%;
  padding: 40px 36px 36px;
}

header {
  text-align: center;
  margin-bottom: 36px;
}
header h1 {
  font-size: 2rem;
  color: #1a2e44;
  margin-bottom: 8px;
}
header p {
  color: #5a7390;
  font-size: 0.97rem;
}

/* ── Drop Zone ── */
.drop-zone {
  border: 2.5px dashed #94b8d8;
  border-radius: 14px;
  background: #f5f9fd;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.drop-zone.drag-over {
  border-color: #1a6fb5;
  background: #deeaf5;
}
.drop-icon { font-size: 3rem; margin-bottom: 12px; }
.drop-zone p { color: #4a6680; font-size: 1rem; margin-bottom: 6px; }
.drop-zone .sub { color: #8aabb8; font-size: 0.9rem; }
.file-hint { color: #aab8c4; font-size: 0.82rem; margin-top: 10px; }

.btn-upload {
  display: inline-block;
  margin-top: 14px;
  padding: 10px 28px;
  background: #1a6fb5;
  color: #fff;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.18s;
}
.btn-upload:hover { background: #155a96; }

/* ── File Info ── */
.file-info {
  background: #eef6ff;
  border: 1px solid #b8d8f5;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.93rem;
  color: #1a3a5c;
  margin-bottom: 20px;
}
.file-info strong { display: block; font-size: 1rem; margin-bottom: 4px; }

/* ── Data Summary ── */
.data-summary {
  background: #fafafa;
  border: 1px solid #e4ecf4;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 24px;
}
.data-summary table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.data-summary thead tr { background: #1a6fb5; color: #fff; }
.data-summary th, .data-summary td {
  padding: 9px 12px;
  text-align: left;
  border-bottom: 1px solid #e4ecf4;
}
.data-summary tbody tr:last-child td { border-bottom: none; }
.data-summary tbody tr:nth-child(even) { background: #f4f8fd; }
.tag-count {
  display: inline-block;
  background: #1a6fb5;
  color: #fff;
  border-radius: 12px;
  padding: 1px 10px;
  font-size: 0.8rem;
  margin-left: 4px;
}
.summary-footer {
  padding: 10px 14px;
  background: #eef6ff;
  font-size: 0.87rem;
  color: #1a3a5c;
  border-top: 1px solid #e4ecf4;
}

/* ── Actions ── */
.actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}
.btn-primary, .btn-secondary {
  padding: 11px 26px;
  border-radius: 8px;
  font-size: 0.96rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.18s, transform 0.1s;
}
.btn-primary { background: #1a6fb5; color: #fff; }
.btn-primary:hover { background: #155a96; }
.btn-primary:active { transform: scale(0.97); }
.btn-secondary { background: #eef2f8; color: #3a5472; }
.btn-secondary:hover { background: #dce6f4; }

/* ── Progress ── */
.progress-section {
  text-align: center;
  padding: 32px 0;
}
.spinner {
  width: 48px; height: 48px;
  border: 5px solid #dce9f5;
  border-top-color: #1a6fb5;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 18px;
}
@keyframes spin { to { transform: rotate(360deg); } }
#progressText { color: #4a6680; font-size: 0.96rem; }

/* ── Print / PDF area ── */
@media print {
  body { background: #fff; padding: 0; display: block; }
  .container { display: none; }
  #printArea {
    display: block !important;
  }
  .bin-tag-page {
    page-break-after: always;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20mm;
  }
  .bin-tag-page:last-child { page-break-after: auto; }
}