:root {
  --tsmc-primary: #ea580c;
  --tsmc-secondary: #fbbf24;
  --tsmc-accent-oil: #dc2626;
  --tsmc-neutral: #1e293b;
  --tsmc-neutral-light: #64748b;
  --tsmc-border: #e2e8f0;
  --tsmc-bg: #fff;
  --tsmc-bg-light: #f8fafc;
}

:root.theme-dark {
  --tsmc-primary: #f97316;
  --tsmc-secondary: #fcd34d;
  --tsmc-accent-oil: #ef4444;
  --tsmc-neutral: #f1f5f9;
  --tsmc-neutral-light: #9ca3af;
  --tsmc-border: rgba(255, 255, 255, 0.1);
  --tsmc-bg: #0f172a;
  --tsmc-bg-light: rgba(15, 23, 42, 0.8);
}

.tsmc-root {
  width: 100%;
  color: var(--tsmc-neutral);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--tsmc-bg);
}

.tsmc-mission-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  padding: 0.75rem;
  background: var(--tsmc-bg-light);
  border-bottom: 2px solid var(--tsmc-primary);
}

.tsmc-mission-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem;
  border: 2px solid var(--tsmc-border);
  border-radius: 0.5rem;
  background: var(--tsmc-bg);
  color: var(--tsmc-neutral-light);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 150ms ease;
}

.tsmc-mission-btn.active {
  border-color: var(--tsmc-primary);
  background: var(--tsmc-primary);
  color: #fff;
  box-shadow: 0 4px 8px rgba(234, 88, 12, 0.25);
}

.tsmc-mission-btn svg {
  width: 18px;
  height: 18px;
}

.tsmc-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  max-width: 100%;
  transition: background-color 300ms ease;
}

.tsmc-container.tsmc-oil-mode {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.08) 0%, rgba(34, 197, 94, 0.04) 100%);
}

.tsmc-oil-mode .tsmc-mission-selector {
  background: rgba(34, 197, 94, 0.1);
  border-bottom-color: #22c55e;
}

.tsmc-oil-mode .tsmc-mission-btn.active {
  background: #22c55e;
  border-color: #22c55e;
  box-shadow: 0 4px 8px rgba(34, 197, 94, 0.25);
}

.tsmc-oil-mode .tsmc-slider {
  background: linear-gradient(to right, #86efac, #22c55e);
}

.tsmc-oil-mode .tsmc-slider::-webkit-slider-thumb {
  background: #22c55e;
  box-shadow: 0 2px 6px rgba(34, 197, 94, 0.4);
}

.tsmc-oil-mode .tsmc-slider::-moz-range-thumb {
  background: #22c55e;
  box-shadow: 0 2px 6px rgba(34, 197, 94, 0.4);
}

.tsmc-oil-mode .tsmc-slider-value-display {
  color: #22c55e;
}

.tsmc-oil-mode .tsmc-quick-btn.active {
  background: #22c55e;
  border-color: #22c55e;
  box-shadow: 0 3px 8px rgba(34, 197, 94, 0.25);
}

.tsmc-oil-mode .tsmc-mega-result {
  border-color: #22c55e;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.12) 0%, rgba(34, 197, 94, 0.06) 100%);
}

.tsmc-oil-mode .tsmc-result-label,
.tsmc-oil-mode .tsmc-result-big {
  color: #22c55e;
}

.tsmc-oil-mode .tsmc-reset-btn {
  border-color: #22c55e;
  color: #22c55e;
}

.tsmc-oil-mode .tsmc-reset-btn:hover {
  background: #22c55e;
  color: #fff;
}

.tsmc-input-section,
.tsmc-ratio-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.tsmc-section-label {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--tsmc-neutral);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.tsmc-slider-container {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.tsmc-slider {
  width: 100%;
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(to right, #fcd34d, #f97316);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.tsmc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--tsmc-primary);
  cursor: grab;
  box-shadow: 0 2px 6px rgba(234, 88, 12, 0.4);
  border: 2px solid var(--tsmc-bg);
}

.tsmc-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--tsmc-primary);
  cursor: grab;
  box-shadow: 0 2px 6px rgba(234, 88, 12, 0.4);
  border: 2px solid var(--tsmc-bg);
}

.tsmc-slider-value-display {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--tsmc-primary);
  line-height: 1;
}

.tsmc-unit {
  font-size: 1rem;
  margin-left: 0.3rem;
  color: var(--tsmc-neutral);
}

.tsmc-quick-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.4rem;
}

.tsmc-quick-btn {
  padding: 0.6rem 0.5rem;
  border: 2px solid var(--tsmc-border);
  border-radius: 0.4rem;
  background: var(--tsmc-bg-light);
  color: var(--tsmc-neutral);
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 120ms ease;
}

.tsmc-quick-btn:active {
  transform: scale(0.95);
}

.tsmc-quick-btn.active {
  background: var(--tsmc-primary);
  color: #fff;
  border-color: var(--tsmc-primary);
  box-shadow: 0 3px 8px rgba(234, 88, 12, 0.25);
}

.tsmc-quick-btn.hidden {
  display: none;
}

.tsmc-ratio-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.tsmc-ratio-card {
  padding: 0.75rem;
  border: 2px solid var(--tsmc-border);
  border-radius: 0.5rem;
  background: var(--tsmc-bg-light);
  color: var(--tsmc-neutral);
  cursor: pointer;
  transition: all 150ms ease;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  align-items: center;
  text-align: center;
}

.tsmc-ratio-card:hover {
  border-color: var(--tsmc-primary);
  background: var(--tsmc-bg);
}

.tsmc-ratio-card.active {
  background: var(--tsmc-primary);
  color: #fff;
  border-color: var(--tsmc-primary);
  box-shadow: 0 4px 10px rgba(234, 88, 12, 0.25);
}

.tsmc-ratio-value {
  font-size: 1rem;
  font-weight: 800;
}

.tsmc-ratio-desc {
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.9;
  line-height: 1.3;
}

.tsmc-mega-result {
  background: linear-gradient(135deg, rgba(234, 88, 12, 0.12) 0%, rgba(251, 191, 36, 0.06) 100%);
  border: 2.5px solid var(--tsmc-primary);
  border-radius: 0.75rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  align-items: center;
  text-align: center;
}

.tsmc-result-label {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--tsmc-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tsmc-result-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.3rem;
}

.tsmc-result-big {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--tsmc-primary);
  line-height: 1;
  letter-spacing: -1px;
}

.tsmc-result-unit {
  font-size: 1rem;
  font-weight: 700;
  color: var(--tsmc-neutral);
}

.tsmc-container-visual {
  width: 100%;
  max-width: 120px;
  height: auto;
}

.tsmc-share-btn {
  padding: 0.6rem;
  border: 2px solid var(--tsmc-primary);
  border-radius: 0.4rem;
  background: var(--tsmc-bg);
  color: var(--tsmc-primary);
  cursor: pointer;
  transition: all 150ms ease;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tsmc-share-btn:hover {
  background: var(--tsmc-primary);
  color: #fff;
}

.tsmc-share-btn svg {
  width: 20px;
  height: 20px;
}

.tsmc-oil-mode .tsmc-share-btn {
  border-color: #22c55e;
  color: #22c55e;
}

.tsmc-oil-mode .tsmc-share-btn:hover {
  background: #22c55e;
  color: #fff;
}

.tsmc-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem;
  background: var(--tsmc-bg-light);
  border-radius: 0.5rem;
  border: 1.5px solid var(--tsmc-border);
}

.tsmc-checklist-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--tsmc-neutral);
}

.tsmc-checklist-item svg {
  width: 18px;
  height: 18px;
  color: var(--tsmc-primary);
  flex-shrink: 0;
}

@media (min-width: 480px) {
  .tsmc-quick-buttons {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (min-width: 768px) {
  .tsmc-container {
    padding: 1.5rem;
    max-width: 500px;
    margin: 0 auto;
  }

  .tsmc-ratio-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}