@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  --bg: #0A0B0E;
  --surface: #121417;
  --surface-raised: #161A1F;
  --hairline: #262B31;
  --text: #ECEEF1;
  --text-muted: #838B94;
  --signal: #FFB627;
  --danger: #FF6B5E;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --chrome: "Space Grotesk", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: var(--chrome);
  line-height: 1.5;
}

button, input, textarea { font: inherit; }

button, input, textarea { outline: none; }

.container {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding: 28px 32px 36px;
}

.hero {
  padding: 4px 0 30px;
  border-bottom: 1px solid var(--hairline);
}

.live-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--text-muted);
  font: 700 11px/1 var(--chrome);
  letter-spacing: .08em;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 10px rgba(255, 182, 39, .7);
}

.hero-brand {
  margin-bottom: 6px;
  color: var(--signal);
  font: 700 13px/1.2 var(--chrome);
  letter-spacing: .03em;
}

.hero h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.02;
  letter-spacing: -.04em;
}

.hero p {
  margin: 12px 0 0;
  color: var(--text-muted);
  font-size: 15px;
}

.panel {
  border: 1px solid var(--hairline);
  background: var(--surface);
}

.input-panel {
  margin-top: 22px;
  padding: 22px;
}

.section-header, .results-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 14px;
}

.section-header h2, .results-header h2 {
  margin: 0;
  font-size: 19px;
  line-height: 1.2;
}

.section-header p, .results-header p {
  margin: 5px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

.counter, .summary-metric strong, .rank-cell, .domain-cell, .signal-value, .page-info {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.counter {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
}

.counter[data-over-limit="true"] { color: var(--danger); }

textarea {
  display: block;
  width: 100%;
  min-height: 218px;
  resize: vertical;
  padding: 15px;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  color: var(--text);
  background: #0E1013;
  font: 400 14px/1.75 var(--mono);
  caret-color: var(--signal);
}

textarea::placeholder, .search-input::placeholder { color: #5D656E; }

textarea:focus, .search-input:focus {
  border-color: var(--signal);
  box-shadow: 0 0 0 1px var(--signal);
}

.actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.btn {
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 10px 15px;
  color: var(--text);
  background: transparent;
  font: 700 13px/1 var(--chrome);
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background-color .15s ease;
}

.btn:focus-visible, .sortable:focus-visible, .pagination-btn:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary {
  border-color: var(--signal);
  color: #0A0B0E;
  background: var(--signal);
}

.btn-primary:hover:not(:disabled) { background: #FFC34D; }

.btn-secondary:hover:not(:disabled) {
  border-color: #5C636B;
  background: #181B20;
}

.hidden { display: none !important; }

.loading-panel, .error-panel {
  margin-top: 16px;
  padding: 17px 20px;
}

.loading-panel {
  display: flex;
  align-items: center;
  gap: 14px;
}

.loading-panel strong, .error-panel strong { font-size: 14px; }

.loading-panel p, .error-panel p {
  margin: 3px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

.spinner {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border: 2px solid var(--hairline);
  border-top-color: var(--signal);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

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

.error-panel {
  border-color: rgba(255, 107, 94, .45);
}

.error-panel strong, .error-panel p, .error-message { color: var(--danger); }

.error-message {
  margin-top: 10px;
  padding: 9px 11px;
  border-left: 2px solid var(--danger);
  background: rgba(255, 107, 94, .06);
  font-size: 13px;
}

.summary-panel {
  display: grid;
  grid-template-columns: minmax(260px, 1.8fr) repeat(3, 1fr);
  margin-top: 16px;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--surface-raised);
}

.summary-metric {
  min-height: 116px;
  padding: 18px 20px;
  border-left: 1px solid var(--hairline);
}

.summary-metric:first-child { border-left: 0; }

.summary-metric span {
  display: block;
  margin-bottom: 10px;
  color: var(--text-muted);
  font: 500 12px/1.2 var(--chrome);
}

.summary-metric strong {
  display: block;
  color: var(--text);
  font-size: 28px;
  line-height: 1;
}

.average-metric {
  position: relative;
  overflow: hidden;
}

.average-metric::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 2px;
  background: var(--signal);
  box-shadow: 0 0 18px rgba(255, 182, 39, .45);
}

.average-metric strong {
  color: var(--signal);
  font-size: clamp(44px, 7vw, 70px);
  letter-spacing: -.07em;
  text-shadow: 0 0 16px rgba(255, 182, 39, .35);
}

.results-panel {
  margin-top: 16px;
  padding: 22px;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.search-label {
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
}

.search-input {
  width: min(360px, 100%);
  padding: 9px 11px;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  color: var(--text);
  background: #0E1013;
  font: 400 13px var(--mono);
  caret-color: var(--signal);
}

.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  table-layout: fixed;
}

th, td {
  padding: 13px 12px;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
}

th {
  color: var(--text-muted);
  font: 700 11px/1.2 var(--chrome);
  letter-spacing: .04em;
}

th:nth-child(1) { width: 76px; }
th:nth-child(2) { width: 34%; }
th:nth-child(3) { width: 44%; }
th:nth-child(4) { width: 130px; }

.sortable {
  cursor: pointer;
  user-select: none;
}

.sortable:hover { color: var(--signal); }

tbody tr {
  position: relative;
  transition: background-color .15s ease;
}

tbody tr::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
}

tbody tr:hover { background: rgba(255, 255, 255, .018); }
tbody tr:hover::before { background: var(--signal); }

.rank-cell {
  color: #606872;
  font-size: 13px;
  font-weight: 500;
}

.domain-cell {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.signal-cell {
  min-width: 310px;
}

.signal {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
}

.signal-track {
  display: block;
  flex: 1;
  height: 9px;
  padding: 1px;
  border: 1px solid #343A42;
  background: #0B0D10;
}

.signal-fill {
  display: block;
  height: 100%;
  background: var(--signal);
  box-shadow: 0 0 8px rgba(255, 182, 39, .3);
  transform-origin: left center;
}

.signal-empty .signal-track {
  background: repeating-linear-gradient(90deg, #242930 0 5px, transparent 5px 9px);
}

.signal-empty .signal-fill { display: none; }

.signal-value {
  min-width: 30px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  text-align: right;
}

.status {
  font: 700 11px/1 var(--chrome);
  letter-spacing: .04em;
}

.status-success { color: var(--signal); }
.status-failed, .status-not-found { color: var(--danger); }

.pagination-container { padding-top: 16px; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pagination-btn {
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 8px 11px;
  color: var(--text);
  background: transparent;
  font: 500 12px var(--chrome);
  cursor: pointer;
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--signal);
  color: var(--signal);
}

.pagination-btn:disabled { opacity: .35; cursor: not-allowed; }

.page-info {
  color: var(--text-muted);
  font-size: 12px;
}

footer {
  padding-top: 24px;
  color: #5D656E;
  font-size: 11px;
}

@media (max-width: 760px) {
  .container { padding: 20px 16px 28px; }

  .hero { padding-bottom: 22px; }

  .input-panel, .results-panel { padding: 17px; }

  .section-header, .results-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-panel {
    grid-template-columns: 1fr 1fr;
  }

  .summary-metric {
    min-height: 100px;
    border-left: 0;
  }

  .summary-metric:nth-child(2),
  .summary-metric:nth-child(4) {
    border-left: 1px solid var(--hairline);
  }

  .summary-metric:nth-child(n + 3) {
    border-top: 1px solid var(--hairline);
  }

  .average-metric { grid-column: 1 / -1; }

  .average-metric strong { font-size: 54px; }

  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .search-input { width: 100%; }

  .actions { flex-direction: column; }
  .btn { width: 100%; }
}

@media (max-width: 430px) {
  .summary-panel { grid-template-columns: 1fr; }
  .average-metric { grid-column: auto; }
  .summary-metric:nth-child(2),
  .summary-metric:nth-child(4) { border-left: 0; }
  .summary-metric:nth-child(n + 2) { border-top: 1px solid var(--hairline); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}