.titration-card,
.titration-plot-card,
.titration-summary-card {
  background: var(--surface-0, #ffffff);
  border: 1px solid var(--border, #d0d7de);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 20px 40px -32px rgba(15, 23, 42, 0.4);
}

.titration-field-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .titration-field-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

.titration-field {
  display: grid;
  gap: 6px;
}

.titration-field span {
  font-weight: 600;
  color: var(--text-muted, #475569);
}

.titration-field input,
.titration-field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border, #d0d7de);
  border-radius: 10px;
  background: var(--surface-0, #ffffff);
  font: inherit;
}

.titration-field input:focus-visible,
.titration-field select:focus-visible {
  outline: 2px solid var(--accent-300, #a5b4fc);
  outline-offset: 2px;
}

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

.titration-actions .button.primary {
  background: linear-gradient(135deg, var(--accent-700, #1d4ed8), var(--accent-500, #3b82f6));
  color: #ffffff;
  border: none;
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: 0 16px 32px -26px rgba(29, 78, 216, 0.9);
}

.titration-actions .button {
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 600;
}

.titration-error {
  margin-top: 16px;
  color: var(--danger-700, #b91c1c);
  font-weight: 600;
}

.titration-layout {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

@media (min-width: 1100px) {
  .titration-layout {
    grid-template-columns: minmax(0, 55%) minmax(0, 45%);
    align-items: start;
  }
}

.titration-plot-card canvas {
  width: 100%;
  height: auto;
  background: var(--surface-50, #f8fafc);
  border: 1px solid var(--border, #d0d7de);
  border-radius: 12px;
}

.titration-slider {
  margin-top: 20px;
}

.titration-slider label {
  display: grid;
  gap: 8px;
}

.titration-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.titration-slider input[type='range'] {
  flex: 1;
}

.titration-slider output {
  min-width: 64px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.titration-summary-list {
  list-style: disc;
  padding-left: 20px;
  color: var(--text-muted, #475569);
  margin: 16px 0 0;
}

.titration-summary-card h3 {
  margin-top: 24px;
}

.titration-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-variant-numeric: tabular-nums;
}

.titration-table th,
.titration-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border, #d0d7de);
  text-align: left;
}

.titration-table th {
  background: var(--surface-50, #f8fafc);
  font-weight: 600;
}

.hint {
  margin-top: 24px;
  color: var(--text-muted, #64748b);
  font-size: 0.9rem;
}