/* Lexical Editor Styles - Blexycal
 * CSS Custom Properties for easy theming and customization.
 * Override these variables in your application to customize the editor.
 */

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */
.lexical-editor-container {
    /* === Colors === */
    --blexycal-primary: #4299e1;
    --blexycal-primary-hover: #2b6cb0;
    --blexycal-primary-light: rgba(66, 153, 225, 0.1);

    --blexycal-bg: white;
    --blexycal-bg-secondary: #f7fafc;
    --blexycal-bg-hover: #edf2f7;
    --blexycal-bg-active: #e2e8f0;

    --blexycal-text: #1a202c;
    --blexycal-text-secondary: #4a5568;
    --blexycal-text-muted: #718096;
    --blexycal-text-placeholder: #a0aec0;

    --blexycal-border: #e2e8f0;
    --blexycal-border-hover: #cbd5e0;
    --blexycal-border-focus: var(--blexycal-primary);

    --blexycal-error: #fc8181;
    --blexycal-error-light: rgba(252, 129, 129, 0.1);

    /* === Typography === */
    --blexycal-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    --blexycal-font-mono: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    --blexycal-font-size: 15px;
    --blexycal-line-height: 1.6;

    /* === Spacing === */
    --blexycal-padding: 12px 16px;
    --blexycal-min-height: 150px;
    --blexycal-border-radius: 8px;
    --blexycal-border-radius-sm: 4px;
    --blexycal-border-radius-lg: 12px;

    /* === Shadows === */
    --blexycal-shadow-focus: 0 0 0 3px var(--blexycal-primary-light);
    --blexycal-shadow-dropdown: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --blexycal-shadow-hover: 0 2px 4px rgba(0, 0, 0, 0.05);

    /* === Mentions === */
    --blexycal-mention-bg: #ebf8ff;
    --blexycal-mention-text: #2c5282;
    --blexycal-mention-avatar-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* === Code === */
    --blexycal-code-bg: #f7fafc;
    --blexycal-code-block-bg: #2d3748;
    --blexycal-code-block-text: #e2e8f0;

    /* === Custom Blots === */
    --blexycal-blot-bg: #f7fafc;
    --blexycal-blot-border: #e2e8f0;

    /* === Transitions === */
    --blexycal-transition: 0.2s ease;
}

/* ============================================
   Container Styles
   ============================================ */
.lexical-editor-container {
    position: relative;
    border: 1px solid var(--blexycal-border);
    border-radius: var(--blexycal-border-radius);
    background: var(--blexycal-bg);
    font-family: var(--blexycal-font-family);
}

.lexical-editor {
    min-height: var(--blexycal-min-height);
    padding: var(--blexycal-padding);
    outline: none;
    font-size: var(--blexycal-font-size);
    line-height: var(--blexycal-line-height);
    color: var(--blexycal-text);
}

.lexical-editor:focus {
    outline: none;
}

.lexical-editor-container:focus-within {
    border-color: var(--blexycal-border-focus);
    box-shadow: var(--blexycal-shadow-focus);
}

/* ============================================
   Placeholder
   ============================================ */
.lexical-editor[data-placeholder]:empty:before {
    content: attr(data-placeholder);
    color: var(--blexycal-text-placeholder);
    pointer-events: none;
    position: absolute;
}

/* ============================================
   Rich Text Formatting
   ============================================ */
.lexical-editor strong,
.lexical-editor .lexical-bold {
    font-weight: 700;
}

.lexical-editor em,
.lexical-editor .lexical-italic {
    font-style: italic;
}

.lexical-editor .lexical-strikethrough {
    text-decoration: line-through;
}

.lexical-editor .lexical-underline {
    text-decoration: underline;
}

.lexical-editor .lexical-underlineStrikethrough {
    text-decoration: underline line-through;
}

.lexical-editor code {
    background-color: var(--blexycal-code-bg);
    border: 1px solid var(--blexycal-border);
    border-radius: var(--blexycal-border-radius-sm);
    padding: 2px 6px;
    font-family: var(--blexycal-font-mono);
    font-size: 0.9em;
}

.lexical-editor pre {
    background-color: var(--blexycal-code-block-bg);
    color: var(--blexycal-code-block-text);
    padding: 16px;
    border-radius: calc(var(--blexycal-border-radius-sm) + 2px);
    overflow-x: auto;
    margin: 12px 0;
}

.lexical-editor pre code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
}

/* ============================================
   Headings
   ============================================ */
.lexical-editor h1 {
    font-size: 2em;
    font-weight: 700;
    margin: 16px 0 8px;
}

.lexical-editor h2 {
    font-size: 1.5em;
    font-weight: 600;
    margin: 14px 0 7px;
}

.lexical-editor h3 {
    font-size: 1.25em;
    font-weight: 600;
    margin: 12px 0 6px;
}

.lexical-editor h4 {
    font-size: 1.1em;
    font-weight: 600;
    margin: 10px 0 5px;
}

.lexical-editor h5 {
    font-size: 1em;
    font-weight: 600;
    margin: 8px 0 4px;
}

.lexical-editor h6 {
    font-size: 0.9em;
    font-weight: 600;
    margin: 8px 0 4px;
    color: var(--blexycal-text-secondary);
}

/* ============================================
   Lists
   ============================================ */
.lexical-editor ul,
.lexical-editor ol {
    margin: 8px 0;
    padding-left: 24px;
}

.lexical-editor li {
    margin: 4px 0;
}

/* Nested lists */
.lexical-editor ul ul,
.lexical-editor ol ol,
.lexical-editor ul ol,
.lexical-editor ol ul {
    margin: 4px 0;
}

/* ============================================
   Links
   ============================================ */
.lexical-editor a {
    color: var(--blexycal-primary);
    text-decoration: underline;
    cursor: pointer;
    transition: all var(--blexycal-transition);
    background-color: rgba(66, 153, 225, 0.08);
    padding: 0 2px;
    border-radius: 2px;
}

.lexical-editor a:hover {
    color: var(--blexycal-primary-hover);
    background-color: rgba(66, 153, 225, 0.15);
}

.lexical-editor a::after {
    content: "🔗";
    font-size: 0.7em;
    margin-left: 2px;
    opacity: 0.6;
}

/* ============================================
   Mentions - Discord/Slack style with avatars
   ============================================ */
.lexical-mention {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--blexycal-mention-bg);
    color: var(--blexycal-mention-text);
    padding: 2px 8px 2px 4px;
    border-radius: var(--blexycal-border-radius-lg);
    font-weight: 500;
    vertical-align: middle;
    line-height: 1.4;
}

.mention-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.mention-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mention-avatar-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blexycal-mention-avatar-gradient);
    color: white;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.mention-name {
    line-height: 1;
}

/* ============================================
   Mention Dropdown
   ============================================ */
.lexical-mention-dropdown {
    position: absolute;
    background: var(--blexycal-bg);
    border: 1px solid var(--blexycal-border);
    border-radius: calc(var(--blexycal-border-radius-sm) + 2px);
    box-shadow: var(--blexycal-shadow-dropdown);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    min-width: 200px;
    /* Smooth position transitions */
    transition: opacity 0.15s ease;
}

/* Dropdown positioned above cursor */
.lexical-mention-dropdown.dropdown-above {
    transform-origin: bottom left;
}

/* Dropdown positioned to the left */
.lexical-mention-dropdown.dropdown-left {
    transform-origin: top right;
}

.lexical-mention-dropdown.dropdown-above.dropdown-left {
    transform-origin: bottom right;
}

.lexical-mention-item {
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color var(--blexycal-transition);
}

.lexical-mention-item:hover,
.lexical-mention-item.selected {
    background-color: var(--blexycal-bg-secondary);
}

.lexical-mention-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.lexical-mention-avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--blexycal-mention-avatar-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.lexical-mention-text {
    flex: 1;
    min-width: 0;
}

.lexical-mention-name {
    font-weight: 500;
    color: var(--blexycal-text);
    font-size: 14px;
}

.lexical-mention-type {
    font-size: 12px;
    color: var(--blexycal-text-muted);
    text-transform: capitalize;
}

/* ============================================
   Images
   ============================================ */
.lexical-image {
    max-width: 100%;
    height: auto;
    border-radius: calc(var(--blexycal-border-radius-sm) + 2px);
    margin: 12px 0;
    display: block;
}

/* ============================================
   Files
   ============================================ */
.lexical-file {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: var(--blexycal-bg-secondary);
    border: 1px solid var(--blexycal-border);
    border-radius: calc(var(--blexycal-border-radius-sm) + 2px);
    color: var(--blexycal-text-secondary);
    text-decoration: none;
    font-size: 0.9em;
    margin: 4px 0;
    transition: all var(--blexycal-transition);
}

.lexical-file:hover {
    background-color: var(--blexycal-bg-hover);
    border-color: var(--blexycal-border-hover);
}

.lexical-file::before {
    content: "📎";
}

/* ============================================
   Blockquote
   ============================================ */
.lexical-editor blockquote {
    border-left: 4px solid var(--blexycal-border);
    padding-left: 16px;
    margin: 12px 0;
    color: var(--blexycal-text-secondary);
    font-style: italic;
}

/* ============================================
   Custom Blots
   ============================================ */
.lexical-custom-blot {
    display: inline-flex;
    vertical-align: middle;
    margin: 4px 2px;
    align-self: center;
}

.lexical-custom-blot[data-blot-inline="false"] {
    display: block;
    margin: 8px 0;
    align-self: stretch;
}

/* Paragraphs containing inline blots use flexbox for vertical centering */
.lexical-editor .lexical-paragraph {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 4px !important;
}

/* Handle empty paragraphs between blots - hide them to prevent line breaks */
.lexical-editor > p:empty,
.lexical-editor > .lexical-paragraph:empty {
    display: none;
}

/* ============================================
   Read-only Mode
   ============================================ */
.lexical-editor-container.readonly {
    background-color: var(--blexycal-bg-secondary);
    border-color: var(--blexycal-border);
}

.lexical-editor-container.readonly .lexical-editor {
    cursor: default;
}

/* ============================================
   Error State
   ============================================ */
.lexical-editor-container.error {
    border-color: var(--blexycal-error);
}

.lexical-editor-container.error:focus-within {
    box-shadow: 0 0 0 3px var(--blexycal-error-light);
}

/* ============================================
   Drag and Drop State
   ============================================ */
.lexical-editor-container.blexycal-drag-over {
    border-color: var(--blexycal-primary);
    background-color: var(--blexycal-primary-light);
    box-shadow: var(--blexycal-shadow-focus);
}

.lexical-editor-container.blexycal-drag-over::after {
    content: "Drop files here";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--blexycal-font-size);
    color: var(--blexycal-primary);
    font-weight: 500;
    pointer-events: none;
}

/* ============================================
   Dark Theme (Example - Override variables)
   ============================================ */
.lexical-editor-container.theme-dark {
    --blexycal-bg: #1a202c;
    --blexycal-bg-secondary: #2d3748;
    --blexycal-bg-hover: #4a5568;
    --blexycal-bg-active: #718096;

    --blexycal-text: #e2e8f0;
    --blexycal-text-secondary: #a0aec0;
    --blexycal-text-muted: #718096;
    --blexycal-text-placeholder: #4a5568;

    --blexycal-border: #4a5568;
    --blexycal-border-hover: #718096;

    --blexycal-mention-bg: rgba(66, 153, 225, 0.2);
    --blexycal-mention-text: #90cdf4;

    --blexycal-code-bg: #2d3748;
    --blexycal-code-block-bg: #1a202c;
    --blexycal-code-block-text: #e2e8f0;

    --blexycal-blot-bg: #2d3748;
    --blexycal-blot-border: #4a5568;
}

/* ============================================
   Compact Theme (Example - Override variables)
   ============================================ */
.lexical-editor-container.theme-compact {
    --blexycal-padding: 8px 12px;
    --blexycal-min-height: 100px;
    --blexycal-font-size: 14px;
    --blexycal-border-radius: 4px;
}