/* graphing-calculator — extracted from inline <style> */
/* ============ Canvas container ============ */
.evvy-gc-canvas-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 50%;
  background: var(--bs-body-bg, #fff);
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: var(--evvy-radius-lg, 12px);
  overflow: hidden;
  cursor: crosshair;
  touch-action: none;
}
.evvy-gc-canvas-wrap canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.evvy-gc-coords {
  position: absolute;
  top: 8px;
  right: 10px;
  background: color-mix(in srgb, var(--bs-body-bg, #fff) 88%, transparent);
  backdrop-filter: blur(4px);
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: var(--bs-border-radius, 6px);
  padding: 3px 10px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.75rem;
  color: var(--evvy-text-secondary, #666);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.evvy-gc-coords.visible {
  opacity: 1;
}

/* ============ Function rows ============ */
.evvy-gc-fn-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.evvy-gc-fn-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bs-body-bg, #fff);
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: var(--bs-border-radius, 6px);
  padding: 0.4rem 0.6rem;
  transition: border-color 0.15s ease;
}
.evvy-gc-fn-row:focus-within {
  border-color: var(--cluster-dark);
}
.evvy-gc-fn-color {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--evvy-border-color, #DEE2E6);
  flex-shrink: 0;
  cursor: pointer;
}
.evvy-gc-fn-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.9375rem;
  color: var(--evvy-text-primary, #333);
  outline: none;
  min-width: 0;
}
.evvy-gc-fn-input::placeholder {
  color: var(--evvy-text-muted, #999);
}
.evvy-gc-fn-btn {
  background: none;
  border: none;
  padding: 2px;
  cursor: pointer;
  color: var(--evvy-text-secondary, #666);
  font-size: 1rem;
  line-height: 1;
  transition: color 0.15s ease;
}
.evvy-gc-fn-btn:hover {
  color: var(--cluster-dark);
}
.evvy-gc-fn-btn.evvy-gc-hidden i::before {
  content: "\F33C";
}
.evvy-gc-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: 1px dashed var(--evvy-border-color, #DEE2E6);
  border-radius: var(--bs-border-radius, 6px);
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--evvy-text-secondary, #666);
  cursor: pointer;
  transition: all 0.15s ease;
}
.evvy-gc-add-btn:hover {
  border-color: var(--cluster-dark);
  color: var(--cluster-dark);
}
.evvy-gc-add-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ============ View controls ============ */
.evvy-gc-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}
.evvy-gc-range-group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--evvy-text-secondary, #666);
}
.evvy-gc-range-group input {
  width: 72px;
  text-align: center;
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}
.evvy-gc-check {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--evvy-text-secondary, #666);
  cursor: pointer;
  user-select: none;
}
.evvy-gc-check input {
  accent-color: var(--cluster-dark);
}

/* ============ Feature detection (premium) ============ */
.evvy-gc-features {
  background: var(--bs-body-bg, #fff);
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: var(--evvy-radius-lg, 12px);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  max-height: 280px;
  overflow-y: auto;
}
.evvy-gc-feat-fn {
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.evvy-gc-feat-item {
  display: flex;
  gap: 0.5rem;
  padding: 0.15rem 0;
  color: var(--evvy-text-secondary, #666);
}
.evvy-gc-feat-item span:first-child {
  font-weight: 600;
  min-width: 110px;
  color: var(--evvy-text-primary, #333);
}

/* ============ Value table (premium) ============ */
.evvy-gc-table-wrap {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: var(--evvy-radius-lg, 12px);
  margin-top: 0.5rem;
}
.evvy-gc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}
.evvy-gc-table thead {
  position: sticky;
  top: 0;
  background: var(--cluster-dark);
  color: var(--cluster-text, #F0F4F8);
}
.evvy-gc-table th {
  padding: 0.4rem 0.65rem;
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.evvy-gc-table td {
  padding: 0.3rem 0.65rem;
  border-bottom: 1px solid var(--evvy-border-color, #DEE2E6);
  font-family: 'SFMono-Regular', Consolas, monospace;
}
.evvy-gc-table tbody tr:hover {
  background: color-mix(in srgb, var(--cluster-dark) 5%, transparent);
}

/* ============ Dark mode ============ */
[data-bs-theme="dark"] .evvy-gc-canvas-wrap {
  background: var(--evvy-gray-100, #1E1E1E);
}
[data-bs-theme="dark"] .evvy-gc-fn-row {
  background: var(--evvy-gray-100, #1E1E1E);
}
[data-bs-theme="dark"] .evvy-gc-features {
  background: var(--evvy-gray-100, #1E1E1E);
}
[data-bs-theme="dark"] .evvy-gc-table thead {
  background: var(--cluster-dark);
  color: #1a1a2e;
}
[data-bs-theme="dark"] .evvy-gc-coords {
  background: color-mix(in srgb, var(--evvy-gray-100, #1E1E1E) 88%, transparent);
}

/* ============ Mobile ============ */
@media (max-width: 575.98px) {
  .evvy-gc-canvas-wrap { padding-bottom: 66%; }
  .evvy-gc-fn-input { font-size: 0.8125rem; }
  .evvy-gc-controls { gap: 0.5rem; }
  .evvy-gc-range-group input { width: 60px; }
}