:root {
  --bg: #f4f7f9;
  --surface: #ffffff;
  --border: #dce3ea;
  --text: #152232;
  --muted: #5d6c7d;
  --primary: #007980;
  --primary-hover: #005f65;
  --accent: #009999;
  --success: #1b8a4b;
  --warn: #b4690e;
  --danger: #c4314b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.app-shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: 20px 20px 48px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #007980, #009999);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.brand h1 {
  margin: 0;
  font-size: 20px;
}

.subtitle {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.top-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.select-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 13px;
}

.select-group select,
.sheet-selectors select {
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--text);
  outline: none;
}

.checkbox-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
}

.notice-banner {
  background: #e9f5f6;
  border: 1px solid #b8dfe2;
  color: #10494d;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tab {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.panel { display: none; }
.panel.active { display: block; }

.batch-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 960px) {
  .batch-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 1px 3px rgba(16, 30, 46, 0.04);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.card h2 {
  margin: 0;
  font-size: 16px;
}

.drop-zone {
  border: 2px dashed #b9c8d6;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  background: #fafcfd;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.drop-zone.dragover {
  border-color: var(--primary);
  background: #eef8f8;
}

.drop-icon { font-size: 26px; }

.sheet-config {
  margin-top: 12px;
  padding: 10px 12px;
  background: #f6f9fb;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.sheet-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.sheet-selectors {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  font-size: 13px;
}

.sheet-selectors label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
}

.divider {
  margin: 14px 0 8px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  resize: vertical;
}

textarea:focus, input[type="text"]:focus {
  outline: 2px solid rgba(0, 121, 128, 0.2);
  border-color: var(--primary);
}

.submit-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.input-summary {
  font-size: 13px;
  color: var(--muted);
}

.input-summary.error { color: var(--danger); font-weight: 600; }

.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-success { background: var(--success); color: #fff; }
.btn-outline { background: #fff; border-color: var(--border); color: var(--text); }
.btn-outline:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: transparent; color: var(--muted); border-color: transparent; }
.btn-ghost:hover { background: #eef3f7; color: var(--text); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: #e8eef3;
  color: #314357;
}

.badge-info { background: #dff1f3; color: #055b61; }
.badge-done { background: #dcf3e6; color: #166b3a; }
.badge-warn { background: #fef0d6; color: #995506; }
.badge-err { background: #fde6ea; color: #a71f37; }
.badge-spare { background: #fff0d6; color: #9a5700; margin-left: 6px; }

.empty-state {
  padding: 28px 12px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.job-status-box { display: flex; flex-direction: column; gap: 12px; }
.job-top { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.job-actions { display: flex; flex-wrap: wrap; gap: 6px; }

.progress-track {
  width: 100%;
  height: 10px;
  background: #e9eff4;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.3s ease;
}

.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stat-pill {
  flex: 1 1 78px;
  background: #f6f9fb;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
}

.stat-done strong { color: var(--success); }
.stat-warn strong { color: var(--warn); }
.stat-err strong { color: var(--danger); }

.recent-job-hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

.results-card { margin-top: 16px; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  background: #f6f9fb;
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

.data-table td {
  padding: 9px 10px;
  border-bottom: 1px solid #edf1f5;
  vertical-align: top;
}

.data-table tbody tr { cursor: pointer; }
.data-table tbody tr:hover { background: #f8fbfc; }

.empty-cell { text-align: center; color: var(--muted); padding: 28px !important; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

.single-form {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.single-form input[type="text"] {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.single-result {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.detail-header-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.detail-thumb {
  width: 110px;
  height: 110px;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 6px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.specs-table th, .specs-table td {
  border: 1px solid #e6ecf2;
  padding: 6px 10px;
  text-align: left;
}

.specs-table tr.sec-row td {
  background: #eef5f6;
  font-weight: 700;
  color: #0e4f53;
}

.platform-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.metric-box {
  background: #f6f9fb;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.metric-box .label { font-size: 12px; color: var(--muted); }
.metric-box .val { font-size: 22px; font-weight: 700; margin-top: 4px; }

.sub-heading { margin: 14px 0 8px; font-size: 14px; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 24, 38, 0.45);
}

.modal-content {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: 12px;
  max-width: 820px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 { margin: 0; font-size: 16px; }

.modal-body {
  padding: 16px 18px;
  overflow-y: auto;
}