:root{
  --pst-accent: #0b74de;
  --pst-muted: #6b7280;
  --pst-border: #e6e9ef;
  --pst-success: #16a34a;
  --pst-danger: #ef4444;
  --pst-radius: 12px;
  --pst-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.pst-widget {
  background: #ffffff;
  border: 1px solid var(--pst-border);
  border-radius: var(--pst-radius);
  padding: 18px;
  max-width: 820px;
  margin: 12px auto;
  box-shadow: 0 6px 18px rgba(15,23,42,0.06);
  font-family: var(--pst-font);
  color: #111827;
}

.pst-title {
  font-size: 18px;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pst-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.pst-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f9fafb;
  border-radius: 10px;
  padding: 8px;
  width: 44px;
  height: 44px;
  color: var(--pst-muted);
  border: 1px solid var(--pst-border);
}

.pst-input {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--pst-border);
  font-size: 14px;
  outline: none;
}

.pst-input:focus {
  box-shadow: 0 0 0 3px rgba(11,116,222,0.06);
  border-color: var(--pst-accent);
}

.pst-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: none;
  border-radius: 10px;
  background: var(--pst-accent);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}

.pst-btn.loading {
  opacity: 0.85;
  cursor: default;
}

.pst-result {
  margin-top: 14px;
  min-height: 46px;
}

/* Card + score */
.pst-card {
  border-top: 1px solid var(--pst-border);
  padding-top: 12px;
}

.pst-score-row {
  display: flex;
  gap: 18px;
  align-items: center;
}

.pst-score-circle {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  font-weight:700;
  font-size:20px;
  background: linear-gradient(180deg,#ffffff,#f7fafc);
  border: 1px solid var(--pst-border);
}

.pst-score-circle span {
  font-size:12px;
  color:var(--pst-muted);
  font-weight:500;
}

.pst-score-bar {
  flex: 1;
  height: 12px;
  background: #f3f4f6;
  border-radius: 999px;
  overflow: hidden;
}

.pst-score-fill {
  height: 100%;
  width: 0%;
  transition: width 0.8s cubic-bezier(.2,.9,.3,1);
  background: linear-gradient(90deg, var(--pst-accent), #3b82f6);
}

/* Metrics grid */
.pst-metrics {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}

.pst-metrics li {
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--pst-border);
  background: #fbfdff;
  font-size: 14px;
}

.pst-metrics li i {
  width: 22px;
  text-align: center;
  color: var(--pst-accent);
}

/* Suggestions */
.pst-suggestions {
  margin-top: 8px;
  font-size: 14px;
}

.pst-suggestions ul {
  margin: 6px 0 0 18px;
}

/* Helpers */
.pst-loading {
  color: var(--pst-muted);
  font-weight: 600;
  display:flex;
  gap:10px;
  align-items:center;
}

.pst-error {
  color: var(--pst-danger);
  background: #fff3f2;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(239,68,68,0.12);
}

.pst-note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--pst-muted);
}