/* ===== EDITOR SECTION ===== */
.editor-wrapper {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  flex: 1; 
  border: none;
  background: var(--editor-bg);
  border-radius: 8px 8px 0 0;
  box-shadow: none;
  overflow: hidden;
}

.editor-container {
    display: flex;
    flex: 1;
    min-width: 0;
    overflow: auto; 
    position: relative;
    isolation: isolate;
    cursor: text;
}

/* Container for all editor layers sitting next to the gutter */
.editor-content-layers {
    flex: 1; 
    display: grid;
    grid-template-columns: 100%;
    position: relative;
    min-width: 0;
}

.editor-content-layers > * {
    grid-area: 1 / 1;
    width: 100%;
    min-height: 100%;
    box-sizing: border-box;
}

/* ===== EDITOR LAYERS ===== */
#code-text,
#highlighted-code {
    font-family: inherit;
    font-size: 14px;
    padding: var(--editor-padding) 20px;
    background: transparent;
    outline: none;
    white-space: pre-wrap; 
    word-break: break-word;
    overflow-wrap: break-word;
    margin: 0;
    width: 100%;
    box-sizing: border-box;
    line-height: var(--editor-line-height);
    
    /* Font rendering */
    font-variant-ligatures: normal;
    text-rendering: optimizeLegibility;
    tab-size: 4;
    -moz-tab-size: 4;
}

#highlighted-code {
    z-index: 1;
    pointer-events: none;
    color: var(--text);
    overflow: hidden;
}

#selection-overlay {
    z-index: 2;
    pointer-events: none;
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: var(--editor-padding) 20px;
    box-sizing: border-box;
    overflow: visible;
}

#selection-overlay.is-active {
    display: block;
}

#selection-overlay .selection-block,
#selection-overlay .cursor-block {
    position: absolute;
}

#selection-overlay .selection-block {
    background: var(--selection-bg);
    border-radius: 3px;
}

#selection-overlay .cursor-block {
    width: 2px;
    min-width: 2px;
    background: var(--caret, #ffffff);
    border-radius: 1px;
    box-shadow: 0 0 6px rgba(97, 218, 251, 0.45);
    animation: caretPulse 1s steps(2, start) infinite;
}

@keyframes caretPulse {
    0%, 45% { opacity: 0; }
    50%, 100% { opacity: 1; }
}

#code-text {
    z-index: 3;
    color: transparent;
    background: transparent;
    caret-color: var(--caret, #ffffff);
    pointer-events: auto;
    user-select: text;
    -webkit-user-select: text;
    
    resize: none;
    min-height: 100%;
    width: 100%;
    min-width: 100%;
    overflow: visible;
    padding-bottom: 0; 
    height: auto;
}

#code-text:focus::before {
    content: none;
}

#code-text:empty::before {
    content: attr(data-placeholder);
    color: var(--text-secondary);
    opacity: 0.4;
    pointer-events: none;
    position: absolute;
    top: var(--editor-padding);
    left: 20px;
    font-style: italic;
}

#active-line-indicator {
    z-index: 0;
    position: absolute; 
    left: 0;
    right: 0;
    transform: translateY(0); 
    will-change: transform;
    
    height: calc(var(--editor-line-height) * 1em);
    background: var(--active-line-bg);
    border-radius: 4px;
    pointer-events: none;
    transition: transform 0.12s ease;
}