/* Modern CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary-color: #2196F3;
    --secondary-color: #1976D2;
    --background-color: #ffffff;
    --text-color: #333333;
    --toolbar-bg: #f5f5f5;
    --border-color: #e0e0e0;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --error-color: #F44336;
    --info-color: #2196F3;
    --hover-color: rgba(0,0,0,0.05);
    --active-color: rgba(0,0,0,0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* Header Styles */
.header {
    padding: 1rem 0;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: black;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 1.25em;
}

/* Toolbar Styles */
.toolbar {
    background-color: var(--toolbar-bg);
    padding: 0.5rem;
    border-radius: 8px;
    margin: 1rem 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.toolbar-group {
    display: flex;
    gap: 0.25rem;
    padding: 0.25rem;
    border-right: 1px solid var(--border-color);
    align-items: center;
}

.toolbar-group:last-child {
    border-right: none;
}

.btn {
    padding: 0.5rem;
    border: none;
    border-radius: 4px;
    background-color: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
    min-width: 32px;
    justify-content: center;
    position: relative;
}

.btn:hover {
    background-color: var(--hover-color);
}

.btn:active {
    background-color: var(--active-color);
    transform: translateY(1px);
}

.btn.active {
    background-color: var(--active-color);
    color: var(--primary-color);
}

.btn i {
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
}

/* Editor Container */
.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    height: calc(100vh - 180px); /* Adjust height to take most of the viewport */
}

#toolbar-container {
    background: var(--toolbar-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

#editor {
    flex: 1;
    padding: 1rem;
    background: var(--background-color);
    color: var(--text-color);
    min-height: calc(100vh - 250px); /* Minimum height for the editor */
    overflow-y: auto;
}

/* CKEditor Customization */
.ck-toolbar {
    border: none !important;
    background: var(--toolbar-bg) !important;
}

.ck-toolbar__items {
    flex-wrap: wrap !important;
}

.ck-editor__editable {
    background: var(--background-color) !important;
    color: var(--text-color) !important;
    min-height: calc(100vh - 250px) !important; /* Match editor min-height */
    height: 100% !important;
    max-height: none !important;
}

.ck.ck-button {
    color: var(--text-color) !important;
    background: transparent !important;
}

.ck.ck-button:hover {
    background: var(--hover-color) !important;
}

.ck.ck-button.ck-on {
    background: var(--active-color) !important;
    color: var(--primary-color) !important;
}

/* Dark theme support for CKEditor */
[data-theme="dark"] .ck.ck-editor__main > .ck-editor__editable {
    background: var(--background-color) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .ck.ck-toolbar {
    background: var(--toolbar-bg) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .ck.ck-button {
    color: var(--text-color) !important;
}

[data-theme="dark"] .ck.ck-dropdown__panel {
    background: var(--background-color) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .ck.ck-list {
    background: var(--background-color) !important;
}

[data-theme="dark"] .ck.ck-list__item:hover:not(.ck-disabled) {
    background: var(--hover-color) !important;
}

/* Status Bar */
.status-bar {
    padding: 0.5rem;
    background-color: var(--toolbar-bg);
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    box-shadow: 0 -2px 4px rgba(0,0,0,0.05);
}

.status-left, .status-right {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Color Picker */
.color-picker {
    width: 32px;
    height: 32px;
    padding: 2px;
    border-radius: 4px;
    cursor: pointer;
    background-color: transparent;
    border: 1px solid var(--border-color);
}

.color-picker::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
}

.color-picker::-moz-color-swatch {
    border: none;
    border-radius: 2px;
}

/* Dropdown Menus */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--background-color);
    min-width: 160px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-radius: 4px;
    z-index: 1000;
    border: 1px solid var(--border-color);
}

.dropdown-content a {
    padding: 0.75rem 1rem;
    text-decoration: none;
    display: block;
    color: var(--text-color);
    transition: background-color 0.2s;
}

.dropdown-content a:hover {
    background-color: var(--toolbar-bg);
}

.show {
    display: block;
}

/* Select Styles */
select.btn {
    padding-right: 1.5rem;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1em;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 4px;
    color: white;
    font-size: 0.9rem;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    animation: slideIn 0.3s ease-out;
}

.toast-success {
    background-color: var(--success-color);
}

.toast-error {
    background-color: var(--error-color);
}

.toast-info {
    background-color: var(--info-color);
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Theme Support */
[data-theme="dark"] {
    --background-color: #1e1e1e;
    --text-color: #ffffff;
    --toolbar-bg: #2d2d2d;
    --border-color: #404040;
    --hover-color: rgba(255,255,255,0.05);
    --active-color: rgba(255,255,255,0.1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--toolbar-bg);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
    transition: background-color 0.2s;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Theme Switcher */
.theme-switcher {
    display: flex;
    gap: 0.5rem;
}

.theme-switcher .btn {
    padding: 0.5rem;
    border: none;
    border-radius: 4px;
    background-color: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-color);
}

.theme-switcher .btn:hover {
    background-color: rgba(0,0,0,0.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
    }

    .header {
        padding: 0.5rem 0;
    }

    .status-bar {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .status-left, .status-right {
        width: 100%;
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    .header, .status-bar {
        display: none;
    }

    .container {
        padding: 0;
    }

    .editor-container {
        margin: 0;
    }

    .tox.tox-tinymce {
        border: none !important;
    }
}

/* Tabs Styles */
.tabs-container {
    margin-bottom: 0.5rem;
}

.tabs-header {
    display: flex;
    align-items: center;
    background: var(--toolbar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    padding: 0.5rem;
    gap: 0.5rem;
}

.tabs-list {
    display: flex;
    gap: 0.25rem;
    flex: 1;
    overflow-x: auto;
    scrollbar-width: thin;
    padding-bottom: 0.25rem;
    align-items: center;
    min-height: 42px; /* Prevent layout shift during drag */
}

.tabs-list::-webkit-scrollbar {
    height: 4px;
}

.tab {
    user-select: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    white-space: nowrap;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    position: relative;
}

.tab:hover {
    background: var(--hover-color);
}

.tab.active {
    background: var(--active-color);
    border-color: var(--primary-color);
}

.tab.dragging {
    opacity: 0.5;
    cursor: move;
    z-index: 1000;
}

.tab .close-btn {
    opacity: 0.6;
    transition: opacity 0.2s;
    cursor: pointer;
    font-size: 1.2em;
    line-height: 1;
    padding: 0.2em;
    border-radius: 50%;
}

.tab .close-btn:hover {
    opacity: 1;
    background: rgba(255, 0, 0, 0.1);
}

.tabs-list::-webkit-scrollbar {
    height: 4px;
}

.tabs-list::-webkit-scrollbar-track {
    background: var(--background-color);
}

.tabs-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.tabs-list::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.new-tab-btn {
    padding: 0.5rem;
    border-radius: 4px;
    background: transparent;
    border: 1px solid var(--border-color);
}

.new-tab-btn:hover {
    background: var(--hover-color);
}

#editors-container {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 0 0 8px 8px;
    overflow: hidden;
    height: calc(100vh - 230px);
}

.editor-instance {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
}

.editor-instance.active {
    opacity: 1;
    visibility: visible;
}

/* Tab renaming styles */
.tab-name-input {
    background: transparent;
    border: none;
    outline: none;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
    margin: 0;
    width: 100px;
    max-width: 150px;
}

.tab-name {
    display: inline-block;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Drag and drop styles */
.tab.dragging {
    opacity: 0.5;
    cursor: move;
}

.tab {
    user-select: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    white-space: nowrap;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.tabs-list {
    display: flex;
    gap: 0.25rem;
    flex: 1;
    overflow-x: auto;
    scrollbar-width: thin;
    padding-bottom: 0.25rem;
    align-items: center;
    min-height: 42px; /* Prevent layout shift during drag */
}

.tabs-list::-webkit-scrollbar {
    height: 4px;
}

/* Status Bar Enhancements */
#save-status {
    transition: color 0.3s ease;
    font-weight: 500;
    min-width: 100px;
    display: inline-block;
    text-align: right;
}

#save-status:not(:empty) {
    padding-left: 20px;
    position: relative;
}

#save-status:not(:empty)::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

#save-status[style*="warning-color"]::before {
    background-color: var(--warning-color);
}

#save-status[style*="success-color"]::before {
    background-color: var(--success-color);
    animation: none;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* AI Assistant Styles */
.ai-assistant {
    position: relative;
}

.ai-btn {
    color: var(--primary-color);
    font-size: 1.1em;
}

.ai-menu {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    width: 220px;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 1000;
}

.ai-menu.show {
    display: block;
}

.ai-menu-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ai-menu-content {
    padding: 0.5rem;
}

.ai-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    background: none;
    color: var(--text-color);
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    position: relative;
}

.ai-option:hover {
    background: var(--hover-color);
}

.ai-menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

.ai-submenu {
    position: relative;
}

.submenu-arrow {
    margin-left: auto;
    font-size: 0.8em;
    transition: transform 0.2s;
}

/* Translate Menu Specific Styles */
.translate-menu {
    position: fixed;
    margin-top: 0;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 1001;
    width: 220px;
    opacity: 0;
    transition: opacity 0.2s;
    top: 330px;
    right: 257px;
}

.translate-menu.show {
    display: block;
    opacity: 1;
}

.translate-search {
    position: sticky;
    top: 0;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--background-color);
    border-radius: 8px 8px 0 0;
    z-index: 2;
}

.translate-options {
    max-height: 300px;
    overflow-y: auto;
    padding: 0.5rem;
}

.translate-options::-webkit-scrollbar {
    width: 6px;
}

.translate-options::-webkit-scrollbar-track {
    background: transparent;
}

.translate-options::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

/* Adjust menu position when close to viewport edges */
.ai-submenu {
    position: relative;
}

.ai-menu-content {
    max-height: 400px;
    overflow-y: auto;
}

/* Ensure the translate menu stays within viewport */
@media screen and (max-height: 600px) {
    .translate-menu {
        top: 0;
        transform: translateX(-10px);
        max-height: calc(100vh - 100px);
    }

    .translate-menu.show {
        transform: translateX(0);
    }
}

/* Show submenu arrow rotation on hover/active */
.ai-submenu:hover .submenu-arrow,
.translate-menu.show + .ai-option .submenu-arrow {
    transform: rotate(-90deg);
}

/* Ensure submenus are positioned correctly in dark mode */
[data-theme="dark"] .translate-menu {
    background: var(--background-color);
    border-color: var(--border-color);
}

[data-theme="dark"] .translate-search input {
    background: var(--background-color);
    color: var(--text-color);
    border-color: var(--border-color);
}

/* Add a subtle animation for menu appearance */
@keyframes menuFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-menu.show {
    animation: menuFadeIn 0.2s ease-out;
}

/* AI Response Tab Styles */
.tab.ai-response {
    background: linear-gradient(45deg, var(--background-color), var(--primary-color-light));
    border-color: var(--primary-color);
}

.tab.ai-response .tab-name {
    color: var(--primary-color);
    font-weight: 500;
}

.tab.ai-response i {
    color: var(--primary-color);
}

/* Loading indicator for AI processing */
.ai-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.translate-search input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--background-color);
    color: var(--text-color);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.translate-search input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.translate-option {
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 4px;
}

.translate-option:hover {
    background: var(--hover-color);
    color: var(--primary-color);
}

.translate-option .language-code {
    color: var(--primary-color);
    font-size: 0.8em;
    margin-left: auto;
    opacity: 0.7;
}

/* Chatbot Styles */
.chatbot-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--background-color);
    color: var(--text-color);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: auto;
}

.chat-message {
    display: flex;
    gap: 1rem;
    opacity: 0;
    transform: translateY(20px);
    animation: messageSlideIn 0.3s ease forwards;
    max-width: 80%;
}

.chat-message.user {
    flex-direction: row-reverse;
    margin-left: auto;
}

.chat-message.helper {
    margin-right: auto;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.chat-message.helper .chat-avatar {
    background: var(--primary-color);
    color: white;
}

.chat-message.user .chat-avatar {
    background: var(--secondary-color);
    color: white;
}

.chat-bubble {
    background: var(--toolbar-bg);
    padding: 1rem;
    border-radius: 1rem;
    position: relative;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    line-height: 1.5;
}

.chat-message.helper .chat-bubble {
    border-top-left-radius: 0;
    background: var(--toolbar-bg);
    color: var(--text-color);
}

.chat-message.user .chat-bubble {
    border-top-right-radius: 0;
    background: var(--primary-color);
    color: white;
}

.chat-input-container {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    background: var(--background-color);
    position: sticky;
    bottom: 0;
}

.chat-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    background: var(--background-color);
    color: var(--text-color);
    font-size: 0.95rem;
    resize: none;
    min-height: 45px;
    max-height: 150px;
    overflow-y: auto;
    line-height: 1.5;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.1);
}

.send-button {
    padding: 0.75rem;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    width: 45px;
    height: 45px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.send-button:hover {
    transform: scale(1.05);
    background: var(--secondary-color);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.send-button:active {
    transform: scale(0.95);
}

.typing-indicator {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    position: absolute;
    bottom: 80px;
    left: 60px;
}

.typing-indicator.visible {
    opacity: 1;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: typingBounce 1s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.chat-timestamp {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 0.25rem;
}

/* Scrollbar styles for chat elements */
.chat-messages::-webkit-scrollbar,
.chat-input::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track,
.chat-input::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb,
.chat-input::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover,
.chat-input::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

@keyframes messageSlideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal Dialog Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999; /* Increased z-index to ensure it's above everything */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    backdrop-filter: blur(2px); /* Add slight blur effect */
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto; /* Ensure clicks are captured when visible */
}

.modal-container {
    background-color: var(--background-color);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    width: 90%;
    max-width: 450px;
    padding: 0;
    transform: translateY(-20px);
    transition: transform 0.2s ease;
    position: relative; /* Ensure proper stacking */
    z-index: 10000; /* Higher than overlay */
}

.modal-overlay.show .modal-container {
    transform: translateY(0);
}

/* Ensure modal buttons are clickable */
.modal-btn {
    position: relative;
    z-index: 10001;
    cursor: pointer;
    user-select: none;
}

/* Prevent clicks from passing through the modal */
.modal-container {
    pointer-events: auto;
}

/* Ensure modal content is visible in both themes */
[data-theme="dark"] .modal-container {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
}

/* Add focus styles for better accessibility */
.modal-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Add active state for buttons */
.modal-btn:active {
    transform: scale(0.98);
}

/* Ensure modal is centered on mobile */
@media (max-width: 480px) {
    .modal-container {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-footer {
        flex-wrap: wrap;
    }
    
    .modal-btn {
        flex: 1;
        min-width: 120px;
    }
}

.modal-header {
    padding: 1rem 1.5rem;
    background-color: var(--toolbar-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-header i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 600;
}

.modal-content {
    padding: 1.5rem;
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.5;
}

.modal-content p {
    margin: 0 0 1rem 0;
}

.modal-footer {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.modal-btn {
    padding: 0.6rem 1.25rem;
    border-radius: 6px;
    border: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-btn-secondary {
    background-color: var(--toolbar-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.modal-btn-secondary:hover {
    background-color: var(--hover-color);
}

.modal-btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.modal-btn-primary:hover {
    background-color: var(--secondary-color);
}

.modal-btn-danger {
    background-color: var(--error-color);
    color: white;
}

.modal-btn-danger:hover {
    background-color: #d32f2f;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Calculator Button */
.calculator-btn {
    padding: 0.5rem;
    border-radius: 4px;
    background: transparent;
    border: 1px solid var(--border-color);
    margin-left: 0.25rem;
}

.calculator-btn:hover {
    background: var(--hover-color);
}

/* Calculator Styles */
.calculator-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--background-color);
    color: var(--text-color);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.calculator-display {
    background: var(--toolbar-bg);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    text-align: right;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.calculator-expression {
    font-size: 1.2rem;
    color: var(--text-color);
    opacity: 0.7;
    min-height: 1.5rem;
    word-break: break-all;
}

.calculator-result {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-color);
    word-break: break-all;
}

.calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    flex: 1;
}

.calc-btn {
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--toolbar-bg);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.calc-btn:hover {
    background: var(--hover-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.calc-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.calc-btn.calc-clear {
    background: var(--error-color);
    color: white;
}

.calc-btn.calc-clear:hover {
    background: #d32f2f;
}

.calc-btn.calc-operator {
    background: var(--primary-color);
    color: white;
}

.calc-btn.calc-operator:hover {
    background: var(--secondary-color);
}

.calc-btn.calc-equals {
    background: var(--success-color);
    color: white;
}

.calc-btn.calc-equals:hover {
    background: #388e3c;
}

.calc-btn.calc-backspace {
    font-size: 1rem;
}

/* Dark theme adjustments */
[data-theme="dark"] .calculator-display {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .calc-btn {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .calc-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .calculator-container {
        padding: 0.5rem;
    }

    .calculator-display {
        padding: 0.75rem;
        min-height: 60px;
    }

    .calculator-expression {
        font-size: 1rem;
    }

    .calculator-result {
        font-size: 1.5rem;
    }

    .calc-btn {
        font-size: 1rem;
        padding: 0.75rem;
    }
}

/* Animation for calculator appearance */
@keyframes calculatorSlideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.calculator-container {
    animation: calculatorSlideIn 0.3s ease-out;
}

/* Calculator Modal Styles */
.calculator-modal {
    max-width: 400px !important;
    width: 95% !important;
    padding: 0 !important;
    margin: 0 !important;
}

.calculator-modal .modal-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--toolbar-bg);
    border-radius: 8px 8px 0 0;
}

.calculator-modal .modal-header h3 {
    margin: 0;
    flex: 1;
    font-size: 1.1rem;
    color: var(--text-color);
}

.calculator-modal .modal-close {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.calculator-modal .modal-close:hover {
    background: var(--hover-color);
    color: var(--error-color);
}

.calculator-modal .calculator-container {
    position: relative;
    padding: 1rem;
    max-width: none;
    margin: 0;
    height: auto;
    animation: none;
}

.calculator-modal .calculator-display {
    margin-bottom: 1rem;
    background: var(--toolbar-bg);
    padding: 1rem;
    border-radius: 8px;
    text-align: right;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.calculator-modal .calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    padding: 0;
}

/* Dark theme adjustments for calculator modal */
[data-theme="dark"] .calculator-modal .modal-header {
    background: var(--toolbar-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .calculator-modal .modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Responsive adjustments for calculator modal */
@media (max-width: 480px) {
    .calculator-modal {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        border-radius: 0 !important;
        height: 100% !important;
    }

    .calculator-modal .modal-header {
        border-radius: 0;
    }

    .calculator-modal .calculator-container {
        padding: 0.5rem;
    }

    .calculator-modal .calculator-display {
        padding: 0.75rem;
        min-height: 60px;
    }

    .calculator-modal .calculator-expression {
        font-size: 1rem;
    }

    .calculator-modal .calculator-result {
        font-size: 1.5rem;
    }

    .calculator-modal .calc-btn {
        font-size: 1rem;
        padding: 0.75rem;
    }
}

/* Calculator button active state for keyboard interaction */
.calc-btn.active {
    transform: scale(0.95);
    background: var(--active-color);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

/* Percentage button styles */
.calc-btn.calc-percent {
    background: var(--primary-color);
    color: white;
    grid-column: span 3;
}

.calc-btn.calc-percent:hover {
    background: var(--secondary-color);
}

/* Update calculator buttons grid for percentage button */
.calculator-modal .calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    padding: 0;
}

/* Responsive adjustments for calculator buttons */
@media (max-width: 480px) {
    .calculator-modal .calculator-buttons {
        gap: 0.25rem;
    }

    .calc-btn.calc-percent {
        font-size: 0.9rem;
    }
}

/* Text Case Assistant Styles */
.textcase-assistant {
    position: relative;
    display: inline-block;
}

.textcase-btn {
    color: var(--primary-color);
    font-size: 1.1em;
}

.textcase-menu {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    width: 180px;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 1000;
    animation: menuFadeIn 0.2s ease-out;
}

.textcase-menu.show {
    display: block;
}

.textcase-menu-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.textcase-menu-content {
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.textcase-option {
    padding: 0.6rem 1rem;
    border: none;
    background: none;
    color: var(--text-color);
    font-size: 0.95rem;
    text-align: left;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.textcase-option:hover, .textcase-option:focus {
    background: var(--hover-color);
    color: var(--primary-color);
}

@media (max-width: 480px) {
    .textcase-menu {
        width: 95vw;
        min-width: 0;
        right: 0;
        left: 0;
        margin: 0 auto;
    }
}