/**
 * AI Word Editor Styles
 * 与主界面 Pisces 风格一致
 */

:root {
    --primary-color: #d4b896;
    --secondary-color: #e8d4b8;
    --background-color: #fef9f3;
    --surface-color: #fef9f3;
    --border-color: #e5e5e5;
    --text-primary: #202123;
    --text-secondary: #6e6e80;
    --hover-bg: #f7f7f8;
    --accent-color: #a08060;
    --accent-light: #d4b89630;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
}

.editor-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    z-index: 100;
}

.toolbar-left,
.toolbar-center,
.toolbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 8px;
    color: #666;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}

.back-btn:hover {
    background: #f0f0f0;
    color: #333;
    border-color: #ccc;
}

.back-btn svg {
    flex-shrink: 0;
}

.back-btn span {
    font-weight: 500;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #333;
}

.logo-icon {
    font-size: 20px;
}

.logo-text {
    font-size: 16px;
}

.file-name {
    padding: 4px 12px;
    background: #f5f5f5;
    border-radius: 6px;
    font-size: 13px;
    color: #666;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Format Tools */
.format-tools {
    display: flex;
    align-items: center;
    gap: 4px;
}

.font-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-right: 8px;
}

.tool-select {
    height: 32px;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 0 8px;
    background: #fff;
    font-size: 13px;
    color: #333;
    min-width: 120px;
    outline: none;
    transition: border-color 0.2s;
}

.tool-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--accent-light);
}

.tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    color: #555;
    font-size: 14px;
    transition: all 0.2s;
}

.tool-btn:hover {
    background: #f0f0f0;
}

.tool-btn.text-btn {
    width: auto;
    padding: 0 12px;
    font-size: 12px;
    font-weight: 500;
}

/* 缩进和清理MD按钮特殊样式 */
#indentBtn {
    color: #666;
    border: 1px solid #e0e0e0;
    background: #fafafa;
}

#indentBtn:hover {
    background: var(--accent-light);
    border-color: var(--primary-color);
    color: var(--accent-color);
}

#cleanMarkdownBtn {
    color: #666;
    border: 1px solid #e0e0e0;
    background: #fafafa;
}

#cleanMarkdownBtn:hover {
    background: #e3f2fd;
    border-color: #2196f3;
    color: #1976d2;
}

.tool-btn.active {
    background: var(--accent-light);
    color: var(--accent-color);
}

.tool-divider {
    width: 1px;
    height: 20px;
    background: #e0e0e0;
    margin: 0 4px;
}

.ai-rewrite-btn {
    width: auto;
    padding: 0 12px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
}

.ai-rewrite-btn:hover {
    opacity: 0.9;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

/* Action Buttons */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn.secondary {
    background: #f5f5f5;
    color: #555;
}

.action-btn.secondary:hover:not(:disabled) {
    background: #e8e8e8;
}

.action-btn.primary {
    background: var(--primary-color);
    color: #fff;
}

.action-btn.primary:hover:not(:disabled) {
    background: var(--accent-color);
}

.action-btn.icon {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
    background: transparent;
    color: #555;
}

.action-btn.icon:hover {
    background: #f0f0f0;
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

/* Welcome Section - 欢迎页面 */
.welcome-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: linear-gradient(135deg, var(--background-color) 0%, var(--secondary-color) 100%);
}

.welcome-container {
    text-align: center;
    max-width: 800px;
}

.welcome-header {
    margin-bottom: 48px;
}

.welcome-logo {
    font-size: 64px;
    margin-bottom: 16px;
}

.welcome-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.welcome-header p {
    font-size: 16px;
    color: #666;
}

.action-cards {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 48px;
}

.action-card {
    flex: 1;
    max-width: 320px;
    padding: 32px 24px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.action-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.action-card p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.card-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.card-btn.primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #fff;
}

.card-btn.primary:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.card-btn.secondary {
    background: #f5f5f5;
    color: #333;
    border: 1px solid #e0e0e0;
}

.card-btn.secondary:hover {
    background: #e8e8e8;
}

.card-hint {
    display: block;
    margin-top: 12px;
    font-size: 12px;
    color: #999;
}

.features-list {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #555;
}

.feature-icon {
    font-size: 18px;
}

/* Upload Section - 保留兼容 */
.upload-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.upload-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 80px;
    background: #fff;
    border: 2px dashed #d0d0d0;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s;
}

.upload-box.drag-over {
    border-color: var(--primary-color);
    background: var(--accent-light);
}

.upload-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.upload-box h2 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.upload-box > p {
    font-size: 14px;
    color: #666;
    margin-bottom: 24px;
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.upload-tips {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #eee;
    text-align: left;
}

.upload-tips p {
    font-size: 13px;
    color: #666;
    margin-bottom: 8px;
}

.upload-tips ul {
    list-style: none;
}

.upload-tips li {
    font-size: 13px;
    color: #888;
    margin: 6px 0;
}

/* Editor Section */
.editor-section {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.editor-container {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    background: #eee;
}

.document-editor {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 80px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    min-height: calc(100vh - 200px);
}

/* 欢迎页拖拽状态 */
.welcome-section.drag-over {
    background: linear-gradient(135deg, var(--background-color) 0%, var(--secondary-color) 100%);
}

.welcome-section.drag-over .action-card {
    border: 2px dashed var(--primary-color);
}

/* Editor Blocks */
.editor-block {
    padding: 8px 4px;
    margin: 4px 0;
    border-radius: 4px;
    outline: none;
    transition: background 0.2s;
    font-family: '宋体', SimSun, serif;
    font-size: 14px;
    line-height: 1.8;
    min-height: 1.8em;
}

.editor-block.editable:hover {
    background: #f8f9fa;
}

.editor-block.editable:focus {
    background: var(--accent-light);
}

/* 空编辑块 placeholder */
.editor-block.editable:empty:before {
    content: attr(placeholder);
    color: #999;
    font-style: italic;
}

.editor-block.editable:focus:empty:before {
    content: '';
}

.editor-block.readonly {
    color: #999;
    font-style: italic;
    background: #f5f5f5;
}

/* Editor Tables */
.editor-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.editor-cell {
    border: 1px solid #d0d0d0;
    padding: 8px 12px;
    font-family: '宋体', SimSun, serif;
    font-size: 14px;
    line-height: 1.6;
    vertical-align: top;
    outline: none;
    transition: background 0.2s;
}

.editor-cell:hover {
    background: #f8f9fa;
}

.editor-cell:focus {
    background: #fff3e0;
}

/* AI Sidebar */
.ai-sidebar {
    width: 360px;
    flex: 0 0 360px;
    background: #fff;
    border-left: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    z-index: 50;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid #e0e0e0;
}

.sidebar-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
}

.welcome-message {
    padding: 16px;
    background: #f8f9fa;
    border-radius: 12px;
    font-size: 14px;
}

.welcome-message p {
    margin-bottom: 8px;
}

.welcome-message ul {
    margin: 8px 0 8px 20px;
    color: #666;
}

.welcome-message li {
    margin: 4px 0;
}

.chat-message {
    margin: 12px 0;
    display: flex;
}

.chat-message.user {
    justify-content: flex-end;
}

.chat-message.ai {
    justify-content: flex-start;
}

.message-content {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-message.user .message-content {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-message.ai .message-content {
    background: #f0f0f0;
    color: #333;
    border-bottom-left-radius: 4px;
}

.chat-message.loading .message-content {
    color: #999;
    font-style: italic;
}

/* 带操作按钮的AI消息 */
.chat-message.with-actions {
    flex-direction: column;
    align-items: flex-start;
}

.chat-message.with-actions .message-content {
    max-width: 100%;
    margin-bottom: 8px;
}

.generated-content-preview {
    width: 100%;
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
}

.preview-label {
    font-size: 12px;
    color: #666;
    margin-bottom: 6px;
}

.generated-content-preview .preview-text {
    font-size: 13px;
    color: #333;
    line-height: 1.6;
    white-space: pre-wrap;
    max-height: 150px;
    overflow-y: auto;
}

.message-actions {
    display: flex;
    gap: 8px;
}

.message-actions .insert-btn,
.message-actions .copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.message-actions .insert-btn {
    background: #4caf50;
    color: #fff;
}

.message-actions .insert-btn:hover {
    background: #43a047;
}

.message-actions .copy-btn {
    background: #f5f5f5;
    color: #555;
    border: 1px solid #ddd;
}

.message-actions .copy-btn:hover {
    background: #e8e8e8;
}

/* Tab自动补全加载动画 */
.completion-loading {
    color: #999;
    animation: blink 1s infinite;
}

/* 实时行内建议样式 */
.inline-suggestion {
    color: #999 !important;
    opacity: 0.6;
    pointer-events: none;
    user-select: none;
    font-style: italic;
    background: transparent;
}

/* @@@占位符生成加载动画 */
.placeholder-loading {
    color: var(--accent-color);
    background: linear-gradient(90deg, var(--accent-light), var(--secondary-color));
    padding: 2px 8px;
    border-radius: 4px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.chat-input-area {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 16px;
    border-top: 1px solid #e0e0e0;
}

.chat-input-area textarea {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    font-size: 14px;
    resize: none;
    outline: none;
    font-family: inherit;
}

.chat-input-area textarea:focus {
    border-color: var(--primary-color);
}

.send-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #fff;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.send-btn:hover {
    opacity: 0.9;
}

.agent-panel {
    margin: 0 16px 16px;
    padding: 16px;
    background: #0f172a;
    border-radius: 16px;
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.15);
}

.agent-panel-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.agent-title {
    font-weight: 600;
    font-size: 15px;
}

.agent-subtitle {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 4px;
}

.agent-status-badge {
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.2);
    font-size: 12px;
    font-weight: 600;
}

.agent-form textarea {
    width: 100%;
    min-height: 70px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    padding: 10px 12px;
    background: rgba(15, 23, 42, 0.85);
    color: #e2e8f0;
    font-size: 13px;
    resize: vertical;
}

.agent-form textarea::placeholder {
    color: #94a3b8;
}

.agent-options {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.agent-options select {
    flex: 1;
    height: 36px;
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    background: rgba(15, 23, 42, 0.85);
    color: #e2e8f0;
    padding: 0 10px;
    font-size: 13px;
}

.agent-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.agent-start-btn,
.agent-download-btn {
    flex: 1;
    border: none;
    border-radius: 12px;
    height: 40px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
}

.agent-start-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
}

.agent-download-btn {
    background: rgba(148, 163, 184, 0.2);
    color: #e2e8f0;
}

.agent-start-btn:hover,
.agent-download-btn:hover {
    transform: translateY(-1px);
    opacity: 0.95;
}

.agent-log {
    max-height: 200px;
    overflow-y: auto;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.15);
    padding: 12px;
    font-size: 12px;
    line-height: 1.5;
}

.agent-log-empty {
    color: #94a3b8;
    text-align: center;
}

.agent-log-entry {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.agent-log-time {
    color: #94a3b8;
    font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace;
    min-width: 52px;
}

.agent-log-text {
    flex: 1;
}

/* Floating AI Rewrite Button */
.floating-ai-btn {
    position: absolute;
    z-index: 150;
    animation: fadeInUp 0.2s ease;
}

.ai-quick-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(212, 184, 150, 0.4);
    transition: all 0.2s;
}

.ai-quick-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 184, 150, 0.5);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Floating Rewrite Popup */
.floating-rewrite-popup {
    position: absolute;
    z-index: 200;
    animation: fadeInUp 0.2s ease;
}

.popup-arrow {
    position: absolute;
    top: -8px;
    left: 24px;
    width: 16px;
    height: 16px;
    background: #fff;
    transform: rotate(45deg);
    box-shadow: -2px -2px 4px rgba(0,0,0,0.06);
}

.popup-content {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    min-width: 360px;
    max-width: 450px;
    overflow: hidden;
}

.popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #fff;
}

.popup-title {
    font-size: 14px;
    font-weight: 600;
}

.popup-close {
    width: 24px;
    height: 24px;
    border: none;
    background: rgba(255,255,255,0.2);
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.popup-close:hover {
    background: rgba(255,255,255,0.3);
}

.popup-body {
    padding: 16px;
}

.selected-preview {
    margin-bottom: 12px;
}

.selected-preview .preview-label,
.rewrite-result-area .result-label {
    font-size: 12px;
    color: #888;
    margin-bottom: 6px;
}

.selected-preview .preview-text {
    padding: 10px 12px;
    background: #f5f7fa;
    border-radius: 8px;
    font-size: 13px;
    color: #333;
    max-height: 80px;
    overflow-y: auto;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.rewrite-input-area input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.rewrite-input-area input:focus {
    border-color: var(--primary-color);
}

.rewrite-input-area input::placeholder {
    color: #aaa;
}

.rewrite-result-area {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #eee;
}

.rewrite-result-area .result-text {
    padding: 10px 12px;
    background: #e8f5e9;
    border-radius: 8px;
    font-size: 13px;
    color: #333;
    max-height: 120px;
    overflow-y: auto;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.popup-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-top: 1px solid #eee;
}

.popup-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.popup-btn.secondary {
    background: #e0e0e0;
    color: #555;
}

.popup-btn.secondary:hover {
    background: #d0d0d0;
}

.popup-btn.primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #fff;
}

.popup-btn.primary:hover:not(:disabled) {
    opacity: 0.9;
}

.popup-btn.primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.popup-btn.success {
    background: #4caf50;
    color: #fff;
}

.popup-btn.success:hover {
    background: #43a047;
}

/* Legacy Modal Styles (kept for compatibility) */
.rewrite-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal-content {
    width: 90%;
    max-width: 560px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid #e0e0e0;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    border-radius: 6px;
}

.modal-close:hover {
    background: #f0f0f0;
    color: #333;
}

.modal-body {
    padding: 24px;
}

.selected-text-preview,
.rewrite-instruction,
.rewrite-result {
    margin-bottom: 20px;
}

.modal-body label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #666;
    margin-bottom: 8px;
}

.preview-text {
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 14px;
    color: #333;
    max-height: 120px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.rewrite-instruction input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
}

.rewrite-instruction input:focus {
    border-color: var(--primary-color);
}

.result-text {
    padding: 12px 16px;
    background: #e8f5e9;
    border-radius: 8px;
    font-size: 14px;
    color: #333;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid #e0e0e0;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn.secondary {
    background: #f5f5f5;
    color: #555;
}

.btn.secondary:hover {
    background: #e8e8e8;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #fff;
}

.btn.primary:hover:not(:disabled) {
    opacity: 0.9;
}

.btn.primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn.success {
    background: #4caf50;
    color: #fff;
}

.btn.success:hover {
    background: #43a047;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 300;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e0e0e0;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    margin-top: 16px;
    font-size: 15px;
    color: #666;
}

/* Notifications */
.notifications {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 400;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.notification {
    padding: 12px 20px;
    background: #333;
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    animation: slideIn 0.3s ease;
}

.notification.success {
    background: #4caf50;
}

.notification.error {
    background: #f44336;
}

.notification.warning {
    background: #ff9800;
}

.notification.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

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

@keyframes fadeOut {
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .toolbar {
        padding: 8px 12px;
    }

    .logo-text {
        display: none;
    }

    .file-name {
        max-width: 100px;
    }

    .action-btn span {
        display: none;
    }

    .action-btn {
        padding: 8px 12px;
    }

    .upload-box {
        padding: 40px 30px;
    }

    .document-editor {
        padding: 30px 20px;
    }

    .ai-sidebar {
        width: 100%;
    }
}