:root {
  --bgrp-ink: #0f172a;
  --bgrp-muted: #64748b;
  --bgrp-brand: #1d4ed8;
  --bgrp-brand-dark: #1e3a8a;
  --bgrp-surface: #ffffff;
  --bgrp-border: #dbeafe;
  --bgrp-bg: #f8fbff;
  --bgrp-radius: 16px;
  --bgrp-shadow: 0 18px 40px rgba(30, 58, 138, 0.15);
}

.bgrp-wrap {
  max-width: 1240px;
  margin: 48px auto;
  padding: 0 20px;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  color: var(--bgrp-ink);
}

.bgrp-header {
  text-align: center;
  margin-bottom: 28px;
}

.bgrp-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bgrp-brand);
  font-weight: 700;
}

.bgrp-header h2 {
  margin: 8px 0 10px;
  font-size: 44px;
  line-height: 1.1;
  color: var(--bgrp-brand-dark);
}

.bgrp-subtitle {
  margin: 0;
  color: var(--bgrp-muted);
  font-size: 17px;
}

.bgrp-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 20px;
}

.bgrp-card {
  border: 1px solid var(--bgrp-border);
  border-radius: var(--bgrp-radius);
  background: var(--bgrp-surface);
  box-shadow: var(--bgrp-shadow);
  padding: 22px;
}

.bgrp-dropzone {
  border: 2px dashed #93c5fd;
  border-radius: 14px;
  background: linear-gradient(145deg, #eff6ff, #f8fbff);
  min-height: 210px;
  display: grid;
  place-items: center;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.bgrp-dropzone.dragging {
  border-color: var(--bgrp-brand);
  transform: scale(1.01);
}

.bgrp-dropzone-inner {
  cursor: pointer;
  display: grid;
  gap: 8px;
}

.bgrp-dropzone-inner strong {
  font-size: 21px;
}

.bgrp-dropzone-inner span {
  color: var(--bgrp-muted);
}

.bgrp-actions {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.bgrp-btn {
  border: 0;
  border-radius: 10px;
  font-weight: 700;
  padding: 11px 16px;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.bgrp-btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--bgrp-brand), var(--bgrp-brand-dark));
}

.bgrp-btn-muted {
  color: var(--bgrp-brand-dark);
  background: #e7f0ff;
}

.bgrp-status {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--bgrp-muted);
}

.bgrp-status.ok {
  color: #15803d;
}

.bgrp-status.err {
  color: #b91c1c;
}

.bgrp-status.run {
  color: #0c4a6e;
}

.bgrp-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.bgrp-preview-grid h3 {
  margin: 0 0 8px;
  font-size: 14px;
}

.bgrp-preview {
  min-height: 250px;
  border: 1px solid var(--bgrp-border);
  border-radius: 12px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #fff;
}

.bgrp-preview img {
  max-width: 100%;
  max-height: 300px;
  display: block;
}

.checker {
  background-image:
    linear-gradient(45deg, #f3f4f6 25%, transparent 25%),
    linear-gradient(-45deg, #f3f4f6 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #f3f4f6 75%),
    linear-gradient(-45deg, transparent 75%, #f3f4f6 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.bgrp-download-wrap {
  margin-top: 16px;
}

@media (max-width: 980px) {
  .bgrp-grid {
    grid-template-columns: 1fr;
  }

  .bgrp-header h2 {
    font-size: 36px;
  }
}

@media (max-width: 680px) {
  .bgrp-preview-grid {
    grid-template-columns: 1fr;
  }

  .bgrp-header h2 {
    font-size: 30px;
  }
}