/* ==========================================================================
   Trix Overrides — Light Sky Blue Theme
   For Rails Action Text (Trix editor)
   - Clean, professional medical aesthetic
   - Sky blue accents for focus and interactions
   - Light, readable typography
   ========================================================================== */

/* ------------------------- CSS Variables ------------------------- */
:root {
  /* Light theme (default) */
  --trix-editor-bg: #ffffff;
  --trix-toolbar-bg: #f8fafc;
  --trix-border: #e0f2fe;
  --trix-fg: #111827;
  --trix-fg-dim: #6b7280;
  --trix-accent: #0ea5e9;        /* sky-500 */
  --trix-accent-weak: rgba(14, 165, 233, 0.1);
  --trix-accent-strong: rgba(14, 165, 233, 0.2);
  --trix-danger: #ef4444;
  --trix-radius: 12px;
  --trix-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* ------------------------- Toolbar ------------------------- */
trix-toolbar {
  background: var(--trix-toolbar-bg);
  border: 1px solid var(--trix-border);
  border-radius: var(--trix-radius) var(--trix-radius) 0 0;
  color: var(--trix-fg);
  box-shadow: var(--trix-shadow);
}

trix-toolbar .trix-button-group {
  border: 1px solid var(--trix-border);
  background: transparent;
  border-radius: 10px;
  margin: 0.4rem 0.35rem;
  overflow: hidden;
}

trix-toolbar .trix-button {
  color: var(--trix-fg);
  background: transparent;
  border-left-color: var(--trix-border);
  transition: background 0.15s ease, color 0.15s ease;
}

trix-toolbar .trix-button:not(:disabled):hover {
  background: var(--trix-accent-weak);
}

trix-toolbar .trix-button:disabled {
  opacity: 0.35;
}

trix-toolbar .trix-button--active,
trix-toolbar .trix-button:active {
  background: var(--trix-accent-strong);
}

trix-toolbar .trix-dialog {
  background: var(--trix-toolbar-bg);
  color: var(--trix-fg);
  border: 1px solid var(--trix-border);
  border-radius: 10px;
  box-shadow: var(--trix-shadow);
}

trix-toolbar .trix-input {
  background: #f0f9ff;
  color: var(--trix-fg);
  border: 1px solid var(--trix-border);
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
}

trix-toolbar .trix-input::placeholder {
  color: var(--trix-fg-dim);
}

/* ------------------------- Editor ------------------------- */
trix-editor {
  background: var(--trix-editor-bg);
  color: var(--trix-fg);
  border: 1px solid var(--trix-border);
  border-top: none;
  border-radius: 0 0 var(--trix-radius) var(--trix-radius);
  min-height: 220px;
  padding: 14px 16px;
  line-height: 1.7;
}

trix-editor:empty:not(:focus)::before {
  content: attr(placeholder);
  color: var(--trix-fg-dim);
}

trix-editor:focus {
  box-shadow: 0 0 0 3px var(--trix-accent-weak);
  border-color: var(--trix-accent);
}

trix-editor ::selection {
  background: var(--trix-accent-weak);
}

trix-editor a {
  color: var(--trix-accent);
  text-decoration: none;
  border-bottom: 1px dashed var(--trix-accent);
}

trix-editor blockquote {
  margin: 0.9rem 0;
  padding: 0.6rem 0.9rem;
  border-left: 3px solid var(--trix-accent);
  background: #f0f9ff;
  border-radius: 8px;
}

trix-editor pre {
  background: #1e293b;
  color: #e5e7eb;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  overflow: auto;
}

trix-editor code {
  background: #f1f5f9;
  color: #1e293b;
  padding: 0.15rem 0.35rem;
  border-radius: 6px;
}

trix-editor table {
  border-collapse: collapse;
  width: 100%;
  border-radius: 10px;
}

trix-editor table td,
trix-editor table th {
  border: 1px solid var(--trix-border);
  padding: 0.5rem 0.6rem;
}

trix-editor table th {
  background: #f0f9ff;
}

trix-editor ul {
  list-style: disc;
  margin-left: 1.25rem;
}

trix-editor ol {
  list-style: decimal;
  margin-left: 1.25rem;
}

/* ------------------------- Error ------------------------- */
.trix-invalid trix-editor {
  border-color: var(--trix-danger) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18) !important;
}