.equivalent-exposure-calculator-card {
  --n-bg: #fff;
  --n-text: #0f172a;
  --n-muted: #334155;
  --n-border: #cbd5e1;
  --n-brand: #4f46e5;
  --n-brand-hover: #4338ca;
  --n-brand-light: #eef2ff;
  --n-card-bg: #f8fafc;
  --n-input-bg: #fff;
  --n-select-menu-bg: #fff;
  --n-success: #16a34a;
  --n-warning: #d97706;
  --n-error: #dc2626;

  background-color: var(--n-bg);
  color: var(--n-text);
  border: 1px solid var(--n-border);
  border-radius: 20px;
  padding: 28px;
  max-width: 1080px;
  margin: 0 auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.theme-dark .equivalent-exposure-calculator-card {
  --n-bg: #0b0f19;
  --n-text: #f8fafc;
  --n-muted: #cbd5e1;
  --n-border: rgba(255, 255, 255, 0.12);
  --n-brand: #818cf8;
  --n-brand-hover: #6366f1;
  --n-brand-light: rgba(99, 102, 241, 0.15);
  --n-card-bg: #131b2e;
  --n-input-bg: rgba(0, 0, 0, 0.3);
  --n-select-menu-bg: #111827;

  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.equivalent-exposure-calculator-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 820px) {
  .equivalent-exposure-calculator-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.equivalent-exposure-calculator-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.equivalent-exposure-calculator-control-card {
  background-color: var(--n-card-bg);
  border: 1px solid var(--n-border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.equivalent-exposure-calculator-panel-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--n-brand);
  margin-bottom: 4px;
}

.equivalent-exposure-calculator-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.equivalent-exposure-calculator-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--n-text);
}

.equivalent-exposure-calculator-custom-select {
  position: relative;
  width: 100%;
}

.equivalent-exposure-calculator-custom-select-trigger {
  background-color: var(--n-input-bg);
  border: 1px solid var(--n-border);
  color: var(--n-text);
  padding: 10px 14px;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  user-select: none;
}

.equivalent-exposure-calculator-chevron {
  width: 18px;
  height: 18px;
  fill: var(--n-muted);
  transition: transform 0.2s ease;
}

.equivalent-exposure-calculator-open .equivalent-exposure-calculator-chevron {
  transform: rotate(180deg);
}

.equivalent-exposure-calculator-custom-select-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--n-select-menu-bg);
  border: 1px solid var(--n-border);
  border-radius: 10px;
  margin-top: 6px;
  z-index: 50;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  max-height: 200px;
  overflow-y: auto;
}

.equivalent-exposure-calculator-open .equivalent-exposure-calculator-custom-select-menu {
  display: block;
}

.equivalent-exposure-calculator-custom-select-option {
  padding: 10px 14px;
  cursor: pointer;
  color: var(--n-text);
  font-size: 0.875rem;
  transition: background-color 0.2s ease;
}

.equivalent-exposure-calculator-custom-select-option:hover {
  background-color: var(--n-brand-light);
}

.equivalent-exposure-calculator-selected {
  font-weight: 700;
  color: var(--n-brand);
  background-color: var(--n-brand-light);
}

.equivalent-exposure-calculator-disabled {
  opacity: 0.6;
  pointer-events: none;
  cursor: not-allowed;
}

.equivalent-exposure-calculator-presets-box {
  background-color: var(--n-card-bg);
  border: 1px solid var(--n-border);
  border-radius: 16px;
  padding: 16px;
}

.equivalent-exposure-calculator-presets-title {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--n-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.equivalent-exposure-calculator-presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.equivalent-exposure-calculator-preset-chip {
  background-color: var(--n-bg);
  border: 1px solid var(--n-border);
  color: var(--n-text);
  padding: 10px 12px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.equivalent-exposure-calculator-preset-chip:hover {
  border-color: var(--n-brand);
  background-color: var(--n-brand-light);
  transform: translateY(-2px);
}

.equivalent-exposure-calculator-preset-active {
  border-color: var(--n-brand);
  background-color: var(--n-brand-light);
  color: var(--n-brand);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
  font-weight: 800;
}

.equivalent-exposure-calculator-preset-name {
  font-size: 0.8rem;
  font-weight: 700;
  text-align: left;
  line-height: 1.3;
}

.equivalent-exposure-calculator-stage-card {
  background-color: var(--n-card-bg);
  border: 1px solid var(--n-border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.exposure-triangle-svg {
  width: 100%;
  max-width: 420px;
  height: auto;
}

.effects-summary {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}

.effect-chip {
  background-color: var(--n-bg);
  border: 1px solid var(--n-border);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--n-text);
  display: flex;
  align-items: center;
  gap: 6px;
}

.equivalent-exposure-calculator-stat-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--n-text);
}

.equivalent-exposure-calculator-stat-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--n-brand);
}

.equivalent-exposure-calculator-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
}

.ev-dark {
  background-color: #312e81;
  color: #fff;
  border: 1px solid #4338ca;
}

.ev-low {
  background-color: #1e1b4b;
  color: #fff;
  border: 1px solid #3730a3;
}

.ev-medium {
  background-color: #064e3b;
  color: #fff;
  border: 1px solid #047857;
}

.ev-high {
  background-color: #075985;
  color: #fff;
  border: 1px solid #0284c7;
}

.ev-sunny {
  background-color: #78350f;
  color: #fff;
  border: 1px solid #b45309;
}