.sltblt-app {
  --sltblt-primary: #2563EB;
  --sltblt-primary-dark: #1D4ED8;
  --sltblt-text: #172033;
  --sltblt-muted: #64748B;
  --sltblt-border: #DCE3EC;
  --sltblt-bg: #F8FAFC;
  --sltblt-surface: #FFFFFF;
  --sltblt-success: #15803D;
  --sltblt-warning: #D97706;
  --sltblt-danger: #DC2626;
  --sltblt-radius: 18px;
  --sltblt-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  max-width: 1050px;
  margin: 0 auto;
  color: var(--sltblt-text);
  font-family: inherit;
}

.sltblt-app * { box-sizing: border-box; }

.sltblt-card {
  background: var(--sltblt-surface);
  border: 1px solid var(--sltblt-border);
  border-radius: var(--sltblt-radius);
  box-shadow: var(--sltblt-shadow);
  padding: 24px;
  margin: 0 0 20px;
}

.sltblt-hero { background: linear-gradient(180deg, #fff 0%, #f8fbff 100%); }

.sltblt-eyebrow {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--sltblt-primary);
  margin-bottom: 8px;
}

.sltblt-title {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
}

.sltblt-subtitle,
.sltblt-section-head p,
.sltblt-diagnostics p,
.sltblt-note-block p,
.sltblt-consistency p {
  color: var(--sltblt-muted);
  line-height: 1.65;
}

.sltblt-subtitle { margin: 0 0 20px; font-size: 17px; }

.sltblt-notice {
  border-radius: 14px;
  padding: 14px 16px;
  margin: 0 0 20px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  line-height: 1.5;
}
.sltblt-notice-info {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: #1E3A8A;
}

.sltblt-grid { display: grid; gap: 16px; }
.sltblt-grid-2 { grid-template-columns: 1fr; }

.sltblt-field label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
}

.sltblt-input,
.sltblt-select {
  width: 100%;
  min-height: 50px;
  border: 1px solid #CBD5E1;
  border-radius: 12px;
  background: #fff;
  color: var(--sltblt-text);
  padding: 0 14px;
  font: inherit;
  font-size: 16px;
}

.sltblt-input:focus,
.sltblt-select:focus,
.sltblt-btn:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .22);
  outline-offset: 2px;
  border-color: var(--sltblt-primary);
}

.sltblt-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.sltblt-actions-wrap { flex-wrap: wrap; }

.sltblt-btn {
  min-height: 48px;
  border: 0;
  border-radius: 12px;
  padding: 0 18px;
  font: inherit;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.sltblt-btn:hover { transform: translateY(-1px); }
.sltblt-btn:disabled { cursor: not-allowed; opacity: .55; transform: none; }

.sltblt-btn-primary {
  background: var(--sltblt-primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, .22);
}
.sltblt-btn-primary:hover { background: var(--sltblt-primary-dark); }

.sltblt-btn-secondary {
  background: #F1F5F9;
  color: #1E293B;
  border: 1px solid #CBD5E1;
}
.sltblt-btn-small { min-height: 40px; font-size: 14px; padding: 0 14px; }

.sltblt-btn-heard {
  width: 100%;
  min-height: 68px;
  background: #0F172A;
  color: #fff;
  font-size: 19px;
  margin-top: 18px;
}

.sltblt-progress-wrap { margin-bottom: 18px; }
.sltblt-progress-meta,
.sltblt-consistency-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  margin-bottom: 8px;
}
.sltblt-progress {
  height: 10px;
  background: #E2E8F0;
  border-radius: 999px;
  overflow: hidden;
}
.sltblt-progress-bar {
  height: 100%;
  width: 0;
  background: var(--sltblt-primary);
  transition: width .25s ease;
}

.sltblt-cue-area {
  min-height: 230px;
  border: 1px dashed #CBD5E1;
  border-radius: 16px;
  background: var(--sltblt-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.sltblt-cue-orb {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: #CBD5E1;
  box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  transition: all .12s ease;
}
.sltblt-cue-orb.is-active {
  background: var(--sltblt-primary);
  transform: scale(1.12);
  box-shadow: 0 0 0 16px rgba(37, 99, 235, .12);
}

.sltblt-status { margin: 20px 0 0; font-weight: 700; }
.sltblt-inline-message { min-height: 24px; margin-top: 12px; color: var(--sltblt-muted); }
.sltblt-inline-message.is-error { color: var(--sltblt-danger); font-weight: 700; }
.sltblt-secondary-actions { margin-top: 14px; }

.sltblt-result-heading,
.sltblt-section-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}
.sltblt-result-heading h3,
.sltblt-section-head h3,
.sltblt-diagnostics h3,
.sltblt-note-block h3 {
  margin: 0 0 6px;
}

.sltblt-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border-radius: 999px;
  padding: 0 12px;
  background: #EEF2FF;
  color: #3730A3;
  font-size: 13px;
  font-weight: 800;
}

.sltblt-primary-result {
  text-align: center;
  border-radius: 18px;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  padding: 26px 18px;
  margin: 22px 0;
}
.sltblt-primary-label {
  display: block;
  color: #475569;
  font-weight: 700;
  margin-bottom: 5px;
}
.sltblt-primary-result strong {
  font-size: clamp(44px, 8vw, 68px);
  line-height: 1;
  color: var(--sltblt-primary);
}
.sltblt-primary-result div span { font-size: 22px; font-weight: 800; }
.sltblt-primary-result p { max-width: 720px; margin: 12px auto 0; color: #334155; }

.sltblt-metric-grid,
.sltblt-use-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.sltblt-metric,
.sltblt-use-card,
.sltblt-diagnostic-item {
  border: 1px solid var(--sltblt-border);
  border-radius: 14px;
  padding: 15px;
  background: #fff;
}
.sltblt-metric span,
.sltblt-use-card span,
.sltblt-diagnostic-item span {
  display: block;
  color: var(--sltblt-muted);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
}
.sltblt-metric strong,
.sltblt-use-card strong,
.sltblt-diagnostic-item strong { font-size: 18px; }

.sltblt-consistency,
.sltblt-diagnostics {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--sltblt-border);
}
.sltblt-use-grid { margin-top: 18px; }

.sltblt-history-list { display: grid; gap: 10px; margin-top: 14px; }
.sltblt-history-item {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  padding: 13px 14px;
  border: 1px solid var(--sltblt-border);
  border-radius: 12px;
}
.sltblt-history-item small { color: var(--sltblt-muted); }
.sltblt-history-item strong { white-space: nowrap; }
.sltblt-empty { color: var(--sltblt-muted); margin: 0; }

.sltblt-notes {
  display: grid;
  gap: 18px;
}
.sltblt-note-block + .sltblt-note-block {
  border-top: 1px solid var(--sltblt-border);
  padding-top: 18px;
}
.sltblt-note-block p { margin: 0; }

[hidden] { display: none !important; }

@media (min-width: 720px) {
  .sltblt-card { padding: 30px; }
  .sltblt-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .sltblt-metric-grid { grid-template-columns: repeat(3, 1fr); }
  .sltblt-use-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 560px) {
  .sltblt-result-heading,
  .sltblt-section-head {
    flex-direction: column;
  }
  .sltblt-actions,
  .sltblt-actions-wrap {
    flex-direction: column;
  }
  .sltblt-btn { width: 100%; }
  .sltblt-metric-grid { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .sltblt-btn,
  .sltblt-progress-bar,
  .sltblt-cue-orb {
    transition: none;
  }
}