/* Enhanced Formatting Button Styles */
.format-btn {
    width: 36px !important;
    height: 36px !important;
    border: 1px solid transparent !important;
    background: var(--bg-color) !important;
    color: var(--text-color) !important;
    border-radius: var(--radius-sm) !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s ease !important;
    font-size: 14px !important;
    position: relative !important;
    margin: 0 1px !important;
    user-select: none !important;
}

.format-btn:hover {
    background: var(--hover-color) !important;
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    transform: translateY(-1px) !important;
    box-shadow: var(--shadow-sm) !important;
}

.format-btn:active {
    transform: translateY(0) !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

.format-btn.active {
    background: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color) !important;
    box-shadow: var(--shadow-sm) !important;
}

.format-btn.active:hover {
    background: var(--accent-color) !important;
    border-color: var(--accent-color) !important;
}

.format-btn:focus {
    outline: none !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.2) !important;
}

.format-btn[data-command="bold"] i {
    font-weight: 900 !important;
}

.format-btn[data-command="italic"] i {
    font-style: italic !important;
}

.format-btn[data-command="underline"] i {
    text-decoration: underline !important;
}

.format-btn[data-command="removeFormat"] {
    color: var(--secondary-text) !important;
}

.format-btn[data-command="removeFormat"]:hover {
    color: #e74c3c !important;
    background: rgba(231, 76, 60, 0.1) !important;
    border-color: #e74c3c !important;
}

/* Enhanced Rich Text Editor */
.rich-text-editor {
    caret-color: var(--primary-color) !important;
}

.rich-text-editor:focus {
    border-color: var(--primary-color) !important;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05), 0 0 0 3px rgba(66, 133, 244, 0.15) !important;
}

/* Formatting indicators in text */
.rich-text-editor b,
.rich-text-editor strong {
    font-weight: bold;
    color: inherit;
}

.rich-text-editor i,
.rich-text-editor em {
    font-style: italic;
    color: inherit;
}

.rich-text-editor u {
    text-decoration: underline;
    color: inherit;
}

/* Selection highlighting */
.rich-text-editor::selection {
    background-color: rgba(66, 133, 244, 0.2);
}

/* Improved toolbar spacing */
.formatting-toolbar {
    gap: 3px !important;
    padding: 10px 15px !important;
}

.formatting-toolbar .separator {
    height: 24px !important;
    margin: 0 8px !important;
    background: var(--border-color) !important;
}

/* Accessibility improvements */
.format-btn[aria-pressed="true"] {
    background: var(--primary-color) !important;
    color: white !important;
}

/* Animation for state changes */
@keyframes formatApplied {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.format-btn.applying {
    animation: formatApplied 0.2s ease-out;
}

/* Keyboard focus improvements */
.format-btn:focus-visible {
    outline: 2px solid var(--primary-color) !important;
    outline-offset: 2px !important;
}

/* Dark mode specific enhancements */
.dark-mode .format-btn {
    background: var(--card-bg) !important;
}

.dark-mode .format-btn:hover {
    background: var(--hover-color) !important;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .format-btn {
        width: 40px !important;
        height: 40px !important;
        font-size: 16px !important;
    }
    
    .formatting-toolbar {
        padding: 12px !important;
        gap: 4px !important;
    }
}