:root {
  --color-brand: #5666f5;
  --color-brand-50: #f4f6ff;
  --color-brand-100: #e6e9ff;
  --color-brand-200: #c8d0ff;
  --color-brand-300: #a9b6ff;
  --color-brand-400: #899aff;
  --color-brand-500: #5666f5;
  --color-brand-600: #3a4be6;
  --color-brand-700: #2736c2;
  --color-brand-800: #1d2999;
  --color-brand-900: #131c73;

  --color-accent: #ff7a59;
  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-danger: #dc2626;
  --color-neutral-50: #f8fafc;
  --color-neutral-100: #f1f5f9;
  --color-neutral-200: #e2e8f0;
  --color-neutral-300: #cbd5f5;
  --color-neutral-400: #94a3b8;
  --color-neutral-500: #64748b;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1e293b;
  --color-neutral-900: #0f172a;

  --color-background: var(--color-neutral-50);
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-surface-muted: #eef2ff;
  --color-border-subtle: rgba(15, 23, 42, 0.08);
  --color-border-strong: rgba(15, 23, 42, 0.14);
  --color-text-strong: #0f172a;
  --color-text-muted: #475569;
  --color-text-inverse: #f8fafc;
  --focus-ring-color: rgba(86, 102, 245, 0.3);

  --radius-lg: 0.75rem;
  --radius-md: 0.5rem;
  --radius-sm: 0.375rem;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 16px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 16px 32px rgba(15, 23, 42, 0.16);

  color-scheme: light;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-background);
  color: var(--color-text-strong);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-neutral-50: #0f172a;
    --color-neutral-100: #172554;
    --color-neutral-200: #1d2a5e;
    --color-neutral-300: #24316a;
    --color-neutral-400: #334072;
    --color-neutral-500: #47536f;
    --color-neutral-600: #64748b;
    --color-neutral-700: #94a3b8;
    --color-neutral-800: #cbd5f5;
    --color-neutral-900: #e2e8f0;

    --color-background: #020617;
    --color-surface: #0b1220;
    --color-surface-elevated: #111c30;
    --color-surface-muted: rgba(86, 102, 245, 0.12);
    --color-border-subtle: rgba(148, 163, 184, 0.24);
    --color-border-strong: rgba(148, 163, 184, 0.36);
    --color-text-strong: #f8fafc;
    --color-text-muted: #cbd5f5;
    --color-text-inverse: #020617;
    --focus-ring-color: rgba(86, 102, 245, 0.5);

    color-scheme: dark;
    background-color: var(--color-background);
    color: var(--color-text-strong);
  }
}

body {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  background-color: var(--color-background);
  color: var(--color-text-strong);
}

.hc-heading-1 {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hc-heading-2 {
  font-size: 2rem;
  line-height: 1.25;
  font-weight: 600;
}

.hc-heading-3 {
  font-size: 1.5rem;
  line-height: 1.3;
  font-weight: 600;
}

.hc-body {
  font-size: 1rem;
  line-height: 1.6;
}

.hc-mono {
  font-family: "JetBrains Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}


.hc-card {
  background-color: var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  border: 1px solid var(--color-border-subtle);
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.hc-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.hc-card__footer {
  border-color: var(--color-border-subtle);
}

.hc-surface-subtle {
  background: linear-gradient(135deg, rgba(86, 102, 245, 0.08) 0%, rgba(255, 122, 89, 0.08) 100%);
  border-radius: var(--radius-lg);
}

.hc-focus-ring {
  position: relative;
}

.hc-focus-ring:focus-visible {
  outline: 2px solid var(--color-brand-500);
  outline-offset: 2px;
}

.hc-button {
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.hc-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.hc-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.hc-button:focus-visible {
  box-shadow: 0 0 0 3px var(--focus-ring-color);
}

.hc-btn-primary {
  background: linear-gradient(135deg, var(--color-brand-500), var(--color-brand-600));
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.hc-btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-brand-600), var(--color-brand-700));
}

.hc-btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-brand-600);
  border-color: rgba(86, 102, 245, 0.35);
}

.hc-btn-secondary:hover:not(:disabled) {
  background-color: var(--color-surface-muted);
}

.hc-btn-subtle {
  background-color: rgba(86, 102, 245, 0.12);
  color: var(--color-brand-600);
  border-color: transparent;
}

.hc-btn-subtle:hover:not(:disabled) {
  background-color: rgba(86, 102, 245, 0.2);
}

.hc-btn-danger {
  background-color: var(--color-danger);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.hc-btn-danger:hover:not(:disabled) {
  background-color: #b91c1c;
}

@media (prefers-color-scheme: dark) {
  .hc-btn-secondary {
    color: var(--color-brand-200);
    background-color: rgba(148, 163, 184, 0.08);
    border-color: rgba(148, 163, 184, 0.32);
  }

  .hc-btn-secondary:hover:not(:disabled) {
    background-color: rgba(148, 163, 184, 0.16);
  }

  .hc-btn-subtle {
    background-color: rgba(86, 102, 245, 0.16);
    color: var(--color-brand-100);
  }

  .hc-btn-subtle:hover:not(:disabled) {
    background-color: rgba(86, 102, 245, 0.24);
  }

  .hc-btn-danger {
    box-shadow: none;
  }
}

.hc-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border-radius: 9999px;
  padding: 0.22rem 0.65rem;
  background-color: var(--color-surface-muted);
  color: var(--color-text-strong);
  font-size: 0.875rem;
  font-weight: 500;
}

.hc-tag--accent {
  background-color: rgba(255, 122, 89, 0.16);
  color: var(--color-accent);
}

.hc-form-label {
  font-weight: 500;
  color: var(--color-text-strong);
  margin-bottom: 0.375rem;
}

.hc-input-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.95rem;
}

.hc-input {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  padding: 0.55rem 0.8rem;
  color: var(--color-text-strong);
  background-color: var(--color-surface);
  transition: border-color 0.2s, box-shadow 0.2s, background-color 0.3s;
}

.hc-input:focus {
  border-color: var(--color-brand-500);
  box-shadow: 0 0 0 3px var(--focus-ring-color);
  outline: none;
}

.hc-input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.hc-input-error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.18);
}

.hc-helper-text {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.hc-error-text {
  font-size: 0.8125rem;
  color: var(--color-danger);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.hc-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  background-color: var(--color-brand-100);
  color: var(--color-brand-600);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (prefers-color-scheme: dark) {
  .hc-card {
    box-shadow: none;
  }

  .hc-tag {
    color: var(--color-text-muted);
  }

  .hc-badge {
    background-color: rgba(86, 102, 245, 0.24);
    color: var(--color-brand-50);
  }

  .hc-helper-text {
    color: var(--color-text-muted);
  }
}

.hc-select {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hc-select.is-disabled {
  opacity: 0.6;
  pointer-events: none;
}

.hc-select__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  padding: 0.55rem 0.8rem;
  color: var(--color-text-strong);
  font: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.hc-select__trigger:hover {
  border-color: var(--color-border-strong);
  background-color: var(--color-surface-muted);
}

.hc-select__trigger:focus-visible {
  outline: none;
  border-color: var(--color-brand-500);
  box-shadow: 0 0 0 3px var(--focus-ring-color);
}

.hc-select__value {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
}

.hc-select__label {
  font-weight: 600;
  font-size: 0.95rem;
}

.hc-select__description {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.hc-select__placeholder {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.hc-select__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: transform 0.2s ease;
}

.hc-select.is-open .hc-select__icon {
  transform: rotate(180deg);
}

.hc-select__dropdown {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  z-index: 45;
}

.hc-select__options:focus {
  outline: none;
}

.hc-select__search {
  padding: 0 0.75rem 0.25rem;
}

.hc-select__search-input {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface-muted);
  padding: 0.45rem 0.6rem;
  font: inherit;
  color: var(--color-text-strong);
}

.hc-select__search-input::placeholder {
  color: var(--color-text-muted);
}

.hc-select__options {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 220px;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.hc-select__option {
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.hc-select__option.is-active,
.hc-select__option:hover {
  background-color: rgba(86, 102, 245, 0.12);
}

.hc-select__option.is-selected {
  color: var(--color-brand-600);
  font-weight: 600;
}

.hc-select__option-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.hc-select__option-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.hc-select__option-description {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.hc-select__option-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.hc-select__empty {
  padding: 0.6rem 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.hc-select__manage {
  margin-top: 0.2rem;
  padding: 0.6rem 0.75rem;
  width: 100%;
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  background: transparent;
  color: var(--color-brand-600);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.hc-select__manage:hover {
  background-color: rgba(86, 102, 245, 0.08);
}

.hc-select__manage:focus-visible {
  outline: none;
  background-color: rgba(86, 102, 245, 0.12);
}

@media (prefers-color-scheme: dark) {
  .hc-select__trigger {
    background-color: var(--color-surface);
  }

  .hc-select__option.is-active,
  .hc-select__option:hover {
    background-color: rgba(86, 102, 245, 0.2);
  }

  .hc-select__option.is-selected {
    color: var(--color-brand-100);
  }

  .hc-select__search-input {
    border-color: var(--color-border-strong);
    background-color: rgba(255, 255, 255, 0.04);
    color: var(--color-text-strong);
  }

  .hc-select__manage {
    border-top-color: var(--color-border-strong);
    color: var(--color-brand-100);
  }

  .hc-select__manage:hover,
  .hc-select__manage:focus-visible {
    background-color: rgba(86, 102, 245, 0.28);
  }
}