:root {
  --bg: #0f172a;
  --card: #1e293b;
  --card-2: #273449;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --highlight: #fde047;
  --border: #334155;
  --danger: #f87171;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #17203a, #101a2e);
}

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

.online-count {
  font-size: 0.8rem;
  color: var(--muted);
}

.online-count::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: middle;
  box-shadow: 0 0 6px rgba(34,197,94,0.5);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-name {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
}

.logout-form {
  display: inline;
  margin: 0;
  padding: 0;
}

.app-header h1 { margin: 0; font-size: 1.25rem; font-weight: 600; }

.badge {
  background: #065f46;
  color: #6ee7b7;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
  align-items: start;
}

.lookup-banner {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  color: #fff;
  text-align: center;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.lookup-banner.hidden { display: none; }

.lookup-banner-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

.content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tab {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
}

.tab.active {
  background: var(--accent-dark);
  color: white;
  border-color: var(--accent-dark);
}

.hidden { display: none !important; }

textarea {
  width: 100%;
  resize: vertical;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-family: "Consolas", "Cascadia Mono", monospace;
  font-size: 0.875rem;
}

input[type="file"] {
  color: var(--muted);
  font-size: 0.875rem;
}

.hint {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 8px 0 0;
}

.hint code, code {
  background: var(--card-2);
  padding: 1px 5px;
  border-radius: 4px;
}

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.dataset-row { justify-content: space-between; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); }

#dataset-info { color: var(--muted); font-size: 0.875rem; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.875rem;
  cursor: pointer;
}

.btn.primary { background: var(--accent-dark); color: white; }
.btn.primary:hover { background: var(--accent); }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn.ghost:hover { color: var(--danger); border-color: var(--danger); }

.search-card { position: relative; }

.search-box {
  display: flex;
  align-items: center;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px 8px;
}

.search-box:focus-within { border-color: var(--accent-dark); }

.search-icon { padding: 0 6px; font-size: 0.9rem; filter: grayscale(1) brightness(1.4); }

#search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 1rem;
  padding: 10px 6px;
}

#search-input::placeholder { color: var(--muted); }

.clear-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px 10px;
}
.clear-btn:hover { color: var(--text); }

.result-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 10px;
  min-height: 1em;
}

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

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.8rem;
}

.sort-label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.8rem;
}

input[type="date"], select {
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 0.8rem;
  font-family: inherit;
}

input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.7); }

.export-btns { display: flex; gap: 10px; align-items: center; }

.include-one-label {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  white-space: nowrap;
}

.include-one-label input { accent-color: var(--accent-dark); }

.state-sidebar {
  position: sticky;
  top: 16px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 48px);
  padding: 0;
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.sidebar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.area-count {
  color: var(--accent);
  font-size: 0.78rem;
  background: rgba(56, 189, 248, 0.12);
  padding: 3px 8px;
  border-radius: 999px;
}

.state-list {
  overflow-y: auto;
  flex: 1;
  padding: 6px 0;
}

.state-row { border-bottom: 1px solid rgba(51, 65, 85, 0.5); }

.state-row:last-child { border-bottom: none; }

.state-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 0.85rem;
  text-align: left;
}

.state-header:hover { background: rgba(255, 255, 255, 0.04); }

.state-header .chevron {
  color: var(--muted);
  transition: transform 0.15s ease;
  font-size: 0.7rem;
}

.state-row.open .chevron { transform: rotate(90deg); }

.state-name { font-weight: 600; }

.state-name:hover { color: var(--accent); }

.state-header.state-selected .state-name { color: var(--accent); }

.state-codes {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 0 12px 10px;
}

.state-row.open .state-codes { display: grid; }

.chip {
  background: var(--card-2);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 0;
  font-family: "Consolas", "Cascadia Mono", monospace;
  font-size: 0.78rem;
  cursor: pointer;
  text-align: center;
}

.chip:hover { border-color: var(--accent); color: var(--text); }

.chip.selected {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: white;
  font-weight: 700;
}

.btn.small {
  padding: 4px 10px;
  font-size: 0.75rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.btn.small:hover:not(:disabled) { color: var(--accent); border-color: var(--accent); }
.btn.small:disabled { opacity: 0.45; cursor: not-allowed; }

.results {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  max-height: 55vh;
  overflow-y: auto;
}

.results li {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.95rem;
}

.result-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.result-name {
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
}

.result-num {
  font-family: "Consolas", "Cascadia Mono", monospace;
  letter-spacing: 0.5px;
}

.result-date {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.results li:nth-child(odd) { background: rgba(255,255,255,0.03); }
.results li:hover { background: rgba(56,189,248,0.12); }

.result-checkbox {
  accent-color: var(--accent-dark);
  cursor: pointer;
  flex-shrink: 0;
}

.results li.selected { background: rgba(56,189,248,0.18); }

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

.lookup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.lookup-header h2 { margin: 0; font-size: 0.95rem; font-weight: 600; }

.lookup-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

#lookup-progress {
  color: var(--accent);
  font-size: 0.78rem;
}

.age-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
}

.age-filter-label {
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.age-wheel-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.age-wheel-wrap label {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 0.8rem;
}

.age-sep {
  color: var(--muted);
  font-size: 0.8rem;
}

.age-wheel {
  width: 64px;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 2px;
  font-size: 0.8rem;
  text-align: center;
  cursor: pointer;
}

.lookup-results {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 50vh;
  overflow-y: auto;
}

.lookup-results li {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(51,65,85,0.4);
}


.lookup-phone {
  font-family: "Consolas", "Cascadia Mono", monospace;
  color: var(--accent);
  font-weight: 600;
}

.lookup-details {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 4px;
  white-space: pre-wrap;
  word-break: break-word;
}

.lookup-empty {
  text-align: center;
  color: var(--muted);
  padding: 20px 0;
}

.lookup-not-found, .lookup-no-match, .lookup-no-phone, .lookup-found {
  background: rgba(255,255,255,0.03);
}
.lookup-not-found { background: rgba(248,113,113,0.15) !important; border-left: 3px solid var(--danger); }
.lookup-no-match { background: rgba(148,163,184,0.15) !important; border-left: 3px solid var(--muted); }
.lookup-no-phone { background: rgba(245,158,11,0.15) !important; border-left: 3px solid #f59e0b; }
.lookup-found { background: rgba(34,197,94,0.15) !important; border-left: 3px solid #22c55e; }

mark { background: var(--highlight); color: #1e293b; border-radius: 2px; padding: 0 1px; }

.email-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 999px;
  margin-left: 4px;
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.email-valid { background: rgba(34,197,94,0.2); color: #4ade80; }
.email-invalid { background: rgba(248,113,113,0.2); color: #f87171; }
.email-disposable { background: rgba(245,158,11,0.2); color: #fbbf24; }

.cached-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(99,102,241,0.2);
  color: #a5b4fc;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  margin-right: 6px;
  vertical-align: middle;
}

.cached-result { opacity: 0.75; }

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 32px 0 16px;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  main { grid-template-columns: 1fr; }
  .state-sidebar {
    position: static;
    max-height: 300px;
  }
}

@media (max-width: 480px) {
  main { padding: 16px 10px 48px; }
  .app-header { padding: 12px 16px; }
}

.lang-switch { display: inline-flex; align-items: center; margin-left: 8px; }
.lang-select {
  background: #0f172a;
  color: #e2e8f0;
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.8rem;
  cursor: pointer;
}
.lang-select:focus { outline: none; border-color: #3b82f6; }
.lang-avatar { width: 32px; height: 32px; border-radius: 50%; background: #1e293b; padding: 2px; margin-right: 6px; vertical-align: middle; }