.sps-root {
  --sps-ink: #1f2937;
  --sps-muted: #64748b;
  --sps-line: #d9e2ec;
  --sps-panel: #fff;
  --sps-soft: #f6f8fb;
  --sps-ok: #16875d;
  --sps-warn: #d93025;

  color: var(--sps-ink);
}

.theme-dark .sps-root {
  --sps-ink: #e5edf7;
  --sps-muted: #a8b5c6;
  --sps-line: #2c3a4e;
  --sps-panel: #111827;
  --sps-soft: #0b1120;
}

.sps-shell {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
  gap: 24px;
  align-items: start;
}

.sps-card {
  border: 1px solid var(--sps-line);
  border-radius: 8px;
  background: var(--sps-panel);
  padding: 24px;
}

.sps-panel,
.sps-preview-wrap {
  min-width: 0;
}

.sps-field {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.sps-label,
.sps-device-label,
.sps-meter-top {
  font-size: 0.86rem;
  font-weight: 700;
  color: #334155;
}

.sps-input,
.sps-textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 15px;
  line-height: 1.45;
  color: #172033;
  background: #fff;
}

.sps-url-control {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.sps-url-input {
  min-width: 0;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.sps-fetch-button {
  flex: 0 0 auto;
  border: 1px solid #cbd5e1;
  border-left: 0;
  border-radius: 0 6px 6px 0;
  padding: 0 14px;
  background: #174ea6;
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.sps-fetch-button:disabled {
  cursor: progress;
  opacity: 0.72;
}

.sps-fetch-message {
  min-height: 1.2em;
  margin: 0;
  color: var(--sps-muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.sps-fetch-message[data-tone='success'] {
  color: var(--sps-ok);
  font-weight: 700;
}

.sps-fetch-message[data-tone='error'] {
  color: var(--sps-warn);
  font-weight: 700;
}

.theme-dark .sps-input,
.theme-dark .sps-textarea,
.theme-dark .sps-segment button {
  border-color: #334155;
  background: #0f172a;
  color: #e5edf7;
}

.theme-dark .sps-fetch-button {
  border-color: #334155;
  background: #2563eb;
}

.theme-dark .sps-label,
.theme-dark .sps-device-label,
.theme-dark .sps-meter-top,
.theme-dark .sps-preview-title {
  color: #d6e1f0;
}

.sps-textarea {
  min-height: 108px;
  resize: vertical;
}

.sps-device {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.sps-segment {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid #cbd5e1;
  border-radius: 7px;
  overflow: hidden;
}

.sps-segment button {
  border: 0;
  border-right: 1px solid #cbd5e1;
  background: #fff;
  color: #334155;
  padding: 8px 12px;
  font-weight: 700;
  cursor: pointer;
}

.sps-segment button:last-child {
  border-right: 0;
}

.sps-segment button[aria-pressed='true'] {
  background: #e8f0fe;
  color: #174ea6;
}

.theme-dark .sps-segment button[aria-pressed='true'] {
  background: #1e3a5f;
  color: #bfdbfe;
}

.sps-meter {
  display: grid;
  gap: 7px;
  margin-top: 14px;
}

.sps-meter-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.sps-track {
  height: 10px;
  border-radius: 999px;
  background: #e5eaf1;
  overflow: hidden;
}

.sps-fill {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--sps-ok);
  transition: width 120ms ease, background-color 120ms ease;
}

.sps-meter.sps-over .sps-fill {
  background: var(--sps-warn);
}

.sps-meter-status {
  font-size: 0.82rem;
  color: var(--sps-muted);
}

.sps-meter.sps-over .sps-meter-status {
  color: var(--sps-warn);
  font-weight: 700;
}

.sps-preview-wrap {
  border-left: 1px solid var(--sps-line);
  background: var(--sps-soft);
  border-radius: 8px;
  padding: 24px;
}

.sps-preview-title {
  margin: 0 0 14px;
  color: #334155;
  font-size: 0.92rem;
}

.sps-serp {
  width: min(100%, 652px);
  border-radius: 8px;
  background: #fff;
  padding: 18px;
  font-family: Arial, Helvetica, sans-serif;
  box-shadow: 0 1px 2px rgb(60, 64, 67, 0.14), 0 1px 3px 1px rgb(60, 64, 67, 0.08);
}

.theme-dark .sps-serp {
  background: #f8fafc;
}

.sps-serp.sps-mobile {
  max-width: 390px;
}

.sps-url-line {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  margin-bottom: 6px;
}

.sps-favicon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #edf2f7;
  color: #5f6368;
  font-size: 14px;
  font-weight: 700;
}

.sps-favicon-image {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #edf2f7;
  object-fit: contain;
}

.sps-hidden {
  display: none;
}

.sps-url-text {
  min-width: 0;
  color: #202124;
  font-size: 14px;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sps-serp-title {
  margin: 0 0 4px;
  color: #1a0dab;
  font-size: 20px;
  line-height: 1.3;
  font-weight: 400;
}

.sps-description {
  margin: 0;
  color: #4d5156;
  font-size: 14px;
  line-height: 1.58;
}

.sps-measure {
  position: fixed;
  inset: auto auto -9999px -9999px;
  visibility: hidden;
  white-space: nowrap;
  pointer-events: none;
}

@media (max-width: 780px) {
  .sps-shell {
    grid-template-columns: 1fr;
  }

  .sps-card {
    padding: 16px;
  }

  .sps-preview-wrap {
    border-left: 0;
    border-top: 1px solid var(--sps-line);
    padding: 18px 0 0;
    background: transparent;
  }
}