* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #1f2430;
  background: #f4f5f7;
  display: grid;
  grid-template-columns: 1fr 320px;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

.topbar {
  grid-column: 1 / -1;
  background: #1f2430;
  color: #fff;
  padding: 20px 28px;
}
.topbar h1 { margin: 0 0 4px; font-size: 22px; }
.subtitle { margin: 0; color: #b8bdc9; font-size: 14px; }

main { padding: 24px 28px; overflow-x: hidden; }

.brand-form { margin-bottom: 18px; }
.brand-form label { display: block; font-weight: 600; margin-bottom: 6px; }
.brand-row { display: flex; gap: 10px; }
#brandInput {
  flex: 1;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid #cfd3da;
  border-radius: 6px;
}
button {
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  background: #f97316;
  color: #fff;
  cursor: pointer;
}
button:hover { background: #ea580c; }
button.secondary { background: #e2e8f0; color: #1f2430; }
button.secondary:hover { background: #cbd5e1; }
button:disabled { opacity: 0.5; cursor: default; }
.hint { font-size: 12.5px; color: #6b7280; margin: 8px 0 0; }
.hint code { background: #e9eaee; padding: 1px 5px; border-radius: 4px; }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.tab-btn {
  background: #e9eaee;
  color: #1f2430;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
}
.tab-btn:hover { background: #dde0e6; }
.tab-btn.active { background: #1f2430; color: #fff; }

/* Difficulty dot — shown before the label on country tabs */
.tab-btn.diff-easy::before,
.tab-btn.diff-medium::before,
.tab-btn.diff-hard::before,
.tab-btn.diff-very-hard::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
  flex-shrink: 0;
}
.tab-btn.diff-easy::before    { background: #22c55e; }
.tab-btn.diff-medium::before  { background: #eab308; }
.tab-btn.diff-hard::before    { background: #ef4444; }
.tab-btn.diff-very-hard::before { background: #a855f7; }

.tab-tools { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.add-tab-btn { margin-bottom: 0; }

.add-tab-form {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
.add-tab-form.hidden { display: none; }
.add-tab-form h3 { margin: 0 0 14px; font-size: 15px; }
.add-tab-form .form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.add-tab-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  flex: 1;
  min-width: 200px;
}
.add-tab-form label.grow { flex: 2; }
.add-tab-form .optional { font-weight: 400; color: #6b7280; }
.add-tab-form input[type="text"] {
  padding: 9px 11px;
  font-size: 14px;
  font-weight: 400;
  border: 1px solid #cfd3da;
  border-radius: 6px;
}
.add-tab-form .checkbox-label {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-weight: 400;
}
.add-tab-form .checkbox-label input { width: 16px; height: 16px; cursor: pointer; }
.add-tab-form .form-actions { display: flex; gap: 10px; margin-top: 4px; }

.tab-panel { background: #fff; border-radius: 10px; padding: 20px 22px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.placeholder { color: #6b7280; }

.zone-info {
  font-size: 13px;
  color: #4b5563;
  background: #f8f9fb;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 16px;
}
.zone-info strong { color: #1f2430; }

.tier-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px 0 8px;
}
.tier-actions h3 { margin: 0; font-size: 15px; }
.check-btn {
  font-size: 12px;
  padding: 6px 12px;
  background: #1f2430;
}
.check-btn:hover { background: #353c4a; }

.domain-list { list-style: none; margin: 0; padding: 0; }
.domain-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 4px;
  border-bottom: 1px solid #f1f2f4;
  font-family: "SF Mono", Monaco, "IBM Plex Mono", monospace;
  font-size: 13.5px;
}
.domain-row:last-child { border-bottom: none; }
.domain-row .name { flex: 1; }
.domain-row input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }

.badge {
  font-family: -apple-system, sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge.available { background: #dcfce7; color: #15803d; }
.badge.taken { background: #fee2e2; color: #b91c1c; }
.badge.unknown { background: #f1f5f9; color: #64748b; }
.badge.checking { background: #fef3c7; color: #92400e; }

.flagged-section { margin-top: 24px; padding-top: 16px; border-top: 1px dashed #e5e7eb; }
.flagged-section h3 { font-size: 14px; color: #b45309; margin: 0 0 8px; }
.flagged-row { font-family: "SF Mono", Monaco, monospace; font-size: 13px; color: #92400e; padding: 4px 0; }
.flagged-row .reason { color: #a16207; font-size: 12px; }

.notes { margin-top: 18px; font-size: 12.5px; color: #6b7280; }
.notes p { margin: 4px 0; }

.shortlist {
  background: #fff;
  border-left: 1px solid #e5e7eb;
  padding: 22px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.shortlist-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.shortlist-header h2 { font-size: 16px; margin: 0; }
.shortlist-actions { display: flex; gap: 6px; }
.shortlist-actions button { font-size: 12px; padding: 7px 12px; }
#shortlistItems { list-style: none; margin: 0; padding: 0; }
#shortlistItems li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-family: "SF Mono", Monaco, monospace;
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid #f1f2f4;
}
#shortlistItems li button {
  background: none;
  color: #9ca3af;
  font-size: 14px;
  font-weight: 700;
  padding: 0 6px;
}
#shortlistItems li button:hover { color: #ef4444; background: none; }
.copied-msg { font-size: 12.5px; color: #15803d; margin-top: 8px; min-height: 16px; }

@media (max-width: 880px) {
  body { grid-template-columns: 1fr; }
  .shortlist { position: static; height: auto; border-left: none; border-top: 1px solid #e5e7eb; }
}