/**
 * style.css - 基础样式文件
 * 浅色 / 白色主题，现代化UI设计
 */

/* ===========================
   全局样式重置
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Helvetica Neue', sans-serif;
    background: var(--color-bg-page);
    background-attachment: fixed;
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===========================
   应用容器
   =========================== */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

/* ===========================
   顶部配置区（默认使用主题变量里的浅色头部样式）
   =========================== */
.header {
    background: linear-gradient(135deg, #F8F8FB 0%, #ECEFF4 100%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    padding: 16px 24px;
    min-height: 70px;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

/* ===========================
   主内容区
   =========================== */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ===========================
   左侧导航栏
   =========================== */
.sidebar {
    width: 150px;
    background: #F3F4F6;
    border-right: 1px solid var(--color-border-subtle);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    box-shadow: 2px 0 8px rgba(15, 23, 42, 0.06);
}

/* 对话页面的侧边栏更宽 */
.sidebar-chat {
    width: 250px;
}

.logo {
    color: var(--color-text-main);
    font-size: 18px;
    font-weight: 700;
    padding: 0 16px 20px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo i {
    font-size: 20px;
    color: var(--color-primary);
}

.nav-buttons {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 10px;
}

.nav-btn {
    background-color: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 13px;
    padding: 12px 14px;
    text-align: left;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.nav-btn i {
    font-size: 15px;
    width: 18px;
    text-align: center;
}

.nav-btn span {
    flex: 1;
}

.nav-btn:hover {
    background-color: rgba(15, 23, 42, 0.04);
    color: var(--color-text-main);
    transform: translateX(4px);
}

.nav-btn.active {
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
}

.nav-btn.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-soft) 100%);
    border-radius: 0 4px 4px 0;
}

/* ===========================
   右侧内容区
   =========================== */
.content-area {
    flex: 1;
    overflow: hidden;
    background-color: var(--color-bg-section);
    position: relative;
    display: flex;
    flex-direction: column;
}

.tab-content {
    display: none;
    flex: 1;
    overflow: hidden;
    height: 100%;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

/* ===========================
   卡片样式
   =========================== */
.card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: rgba(79, 70, 229, 0.45);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
    transform: translateY(-2px);
}

.card-title {
    color: var(--color-text-main);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border-subtle);
}

.card-title i {
    color: var(--color-primary);
    font-size: 20px;
}

/* ===========================
   表单元素
   =========================== */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-label i {
    font-size: 14px;
    color: var(--color-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    background-color: #FFFFFF;
    border: 1px solid var(--color-border-strong);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--color-text-main);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

/* ===========================
   按钮样式
   =========================== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-soft) 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #9A6CF5 0%, #7376f1 100%);
    box-shadow: 0 6px 16px rgba(138, 92, 245, 0.4);
    transform: translateY(-1px);
}

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

.btn-secondary {
    background-color: #F3F4F6;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-strong);
    backdrop-filter: none;
}

.btn-secondary:hover {
    background-color: #E5E7EB;
    border-color: rgba(79, 70, 229, 0.4);
    transform: translateY(-1px);
}

.btn-secondary.active {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(129, 140, 248, 0.16) 100%);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-danger {
    background-color: #DC2626;
    color: #FFFFFF;
}

.btn-danger:hover {
    background-color: #EF4444;
}

/* ===========================
   文件上传区域
   =========================== */
.file-drop-zone {
    border: 2px dashed rgba(148, 163, 184, 0.7);
    border-radius: 12px;
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: radial-gradient(circle at top, #F9FAFB 0%, #EFF6FF 70%);
    position: relative;
    overflow: hidden;
}

.file-drop-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(138, 92, 245, 0.1), transparent);
    transition: left 0.5s;
}

.file-drop-zone:hover::before {
    left: 100%;
}

.file-drop-zone:hover,
.file-drop-zone.drag-over {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(96, 165, 250, 0.08) 100%);
    transform: scale(1.02);
}

.file-drop-zone i {
    font-size: 48px;
    color: var(--color-primary);
    margin-bottom: 16px;
    display: block;
}

.file-drop-zone-text {
    color: #94A3B8;
    font-size: 14px;
}

/* ===========================
   加载状态
   =========================== */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.12);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 1000;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #E5E7EB;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* ===========================
   消息提示
   =========================== */
.message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 6px;
    color: #FFFFFF;
    font-size: 14px;
    z-index: 2000;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s;
}

.message.show {
    opacity: 1;
    transform: translateY(0);
}

.message-info {
    background-color: var(--color-primary-soft);
}

.message-success {
    background-color: #10B981;
}

.message-error {
    background-color: #EF4444;
}

.message-warning {
    background-color: #F59E0B;
}

/* ===========================
   配置面板样式
   =========================== */
.config-panel {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    width: 100%;
}

.config-label {
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.config-label i {
    color: var(--color-primary);
    font-size: 14px;
}

.config-select,
.config-input {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border-strong);
    border-radius: 6px;
    padding: 8px 12px;
    color: var(--color-text-main);
    font-size: 14px;
    min-width: 200px;
}

.config-select:focus,
.config-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.config-select {
    min-width: 180px;
}

.config-input {
    min-width: 250px;
}

.config-save-section {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.config-url-example {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--color-primary-subtle);
    border: 1px solid var(--color-primary-soft);
    border-radius: 6px;
    font-size: 12px;
}

.example-label {
    color: #60A5FA;
    font-weight: 500;
    white-space: nowrap;
}

.example-text {
    color: #000000;
}

/* ===========================
   对话框样式
   =========================== */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.dialog-container {
    background-color: #FFFFFF;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18);
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #334155;
}

.dialog-header h3 {
    color: var(--color-text-main);
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.dialog-close {
    background: none;
    border: none;
    color: #A0A0B0;
    font-size: 18px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
}

.dialog-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

.dialog-info {
    padding: 15px 20px;
    border-bottom: 1px solid var(--color-border-subtle);
    background-color: #F9FAFB;
}

.dialog-info p {
    color: var(--color-text-secondary);
    font-size: 12px;
    margin: 4px 0;
}

.dialog-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.dialog-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    border-top: 1px solid var(--color-border-subtle);
}

.storyboard-item {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.storyboard-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.storyboard-item-title {
    color: var(--color-text-main);
    font-size: 13px;
    font-weight: 600;
}

.storyboard-item-content {
    display: flex;
    gap: 15px;
}

.storyboard-item-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.storyboard-item-field label {
    color: var(--color-text-secondary);
    font-size: 12px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.video-result-item {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.video-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.video-result-info {
    flex: 1;
}

.video-result-prompt {
    color: var(--color-text-main);
    font-size: 14px;
    margin-bottom: 4px;
}

.video-result-time {
    color: #94A3B8;
    font-size: 12px;
}

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

.video-result-preview {
    margin-top: 12px;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.image-result-item {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.image-result-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.25);
    border-color: rgba(79, 70, 229, 0.5);
}

.image-result-preview {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.image-result-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-result-loading {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(15, 23, 42, 0.05);
    border-radius: 6px;
    padding: 20px;
    gap: 12px;
}

.image-loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(79, 70, 229, 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.image-loading-text {
    color: var(--color-text-main);
    font-size: 13px;
    text-align: center;
    line-height: 1.5;
}

.image-loading-progress {
    width: 100%;
    height: 4px;
    background-color: rgba(79, 70, 229, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 8px;
}

.image-loading-progress-bar {
    height: 100%;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.image-result-error {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(239, 68, 68, 0.05);
    border-radius: 6px;
    padding: 20px;
    gap: 8px;
    color: #EF4444;
}

.image-result-error i {
    font-size: 32px;
}

.image-result-error div {
    font-size: 13px;
    text-align: center;
}

.image-result-info {
    padding: 12px;
}

.image-result-prompt {
    color: var(--color-text-main);
    font-size: 13px;
    margin-bottom: 6px;
    line-height: 1.5;
    word-break: break-word;
    white-space: normal;
}

.image-result-specs {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.image-spec-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #475569;
    font-size: 11px;
    font-weight: 500;
    background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
    padding: 5px 10px;
    border-radius: 6px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.image-spec-item:hover {
    background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
    border-color: rgba(148, 163, 184, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.image-spec-item i {
    font-size: 10px;
    color: #64748B;
    opacity: 0.8;
}

.image-spec-model {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border-color: rgba(59, 130, 246, 0.2);
    color: #1E40AF;
}

.image-spec-model:hover {
    background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
    border-color: rgba(59, 130, 246, 0.3);
}

.image-spec-model i {
    color: #3B82F6;
}

.image-result-time {
    color: #94A3B8;
    font-size: 11px;
    margin-bottom: 10px;
}

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

/* ===========================
   图标和按钮优化
   =========================== */
.btn i {
    font-size: 14px;
}

.btn-sm i {
    font-size: 12px;
}

.mode-label:hover {
    background-color: var(--color-primary-subtle);
    border-color: var(--color-primary-soft);
}

.video-mode-buttons {
    display: flex;
    gap: 8px;
}

.video-mode-buttons .mode-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 10px 16px;
    border-radius: 8px;
    transition: all 0.2s;
    border: 1px solid var(--color-border-strong);
    background-color: #F3F4F6;
    flex: 1;
    justify-content: center;
}

.video-mode-buttons .mode-label input[type="radio"] {
    display: none;
}

.video-mode-buttons .mode-label i,
.video-mode-buttons .mode-label span {
    pointer-events: none;
}

.video-mode-buttons .mode-label input[type="radio"]:checked ~ span {
    color: var(--color-primary);
    font-weight: 600;
}

.mode-label input[type="radio"]:checked + i {
    color: var(--color-primary);
}

.mode-label input[type="radio"]:checked ~ span {
    color: var(--color-text-main);
    font-weight: 500;
}

/* ===========================
   图片页面布局
   =========================== */
.image-page-layout {
    display: flex;
    height: 100%;
    overflow: hidden;
}

/* 左侧配置面板 */
.image-config-sidebar {
    width: 380px;
    background: linear-gradient(180deg, #1E293B 0%, #0F172A 100%);
    border-right: 1px solid rgba(59, 130, 246, 0.15);
    overflow-y: auto;
    padding: 16px;
    flex-shrink: 0;
}

.image-config-panel {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.image-config-title {
    margin-bottom: 8px;
}

.image-config-title h2 {
    color: var(--color-text-main);
    font-size: 22px;
    font-weight: 700;
    margin: 0;
}

.image-config-section {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: 12px;
}

.image-config-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.image-config-section-title {
    color: var(--color-text-main);
    font-size: 15px;
    font-weight: 600;
}

/* 图片比例 */
.image-ratio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.image-ratio-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    background: #FFFFFF;
    border: 1.5px solid rgba(209, 213, 219, 0.9);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 70px;
    justify-content: center;
    gap: 6px;
    position: relative;
    overflow: hidden;
}

.image-ratio-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(138, 92, 245, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.25s;
}

.image-ratio-btn:hover {
    background: #EEF2FF;
    border-color: rgba(79, 70, 229, 0.55);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(138, 92, 245, 0.2);
}

.image-ratio-btn:hover::before {
    opacity: 1;
}

.image-ratio-btn.active {
    background: linear-gradient(135deg, rgba(138, 92, 245, 0.25) 0%, rgba(99, 102, 241, 0.25) 100%);
    border-color: #8A5CF5;
    box-shadow: 0 4px 16px rgba(138, 92, 245, 0.4), inset 0 0 20px rgba(138, 92, 245, 0.1);
    transform: translateY(-1px);
}

.image-ratio-btn.active::before {
    opacity: 1;
}

/* 比例预览图标 */
.ratio-preview {
    width: 32px;
    height: 20px;
    background: rgba(148, 163, 184, 0.3);
    border: 1.5px solid rgba(148, 163, 184, 0.4);
    border-radius: 3px;
    margin-bottom: 4px;
    transition: all 0.25s;
    position: relative;
    z-index: 1;
}

/* 不同比例的预览框 */
.ratio-preview[data-ratio="1:1"] {
    width: 24px;
    height: 24px;
    border-radius: 4px;
}

.ratio-preview[data-ratio="3:2"] {
    width: 30px;
    height: 20px;
}

.ratio-preview[data-ratio="3:4"] {
    width: 18px;
    height: 24px;
}

.ratio-preview[data-ratio="4:3"] {
    width: 24px;
    height: 18px;
}

.ratio-preview[data-ratio="9:16"] {
    width: 12px;
    height: 24px;
}

.ratio-preview[data-ratio="2:3"] {
    width: 16px;
    height: 24px;
}

.ratio-preview[data-ratio="16:9"] {
    width: 28px;
    height: 16px;
}

.ratio-preview[data-ratio="21:9"] {
    width: 32px;
    height: 14px;
}

.image-ratio-btn:hover .ratio-preview {
    background: rgba(138, 92, 245, 0.4);
    border-color: rgba(138, 92, 245, 0.7);
    transform: scale(1.1);
}

.image-ratio-btn.active .ratio-preview {
    background: rgba(138, 92, 245, 0.5);
    border-color: #8A5CF5;
    box-shadow: 0 2px 8px rgba(138, 92, 245, 0.4);
    transform: scale(1.05);
}

.ratio-value {
    color: var(--color-text-main);
    font-size: 15px;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.ratio-label {
    color: var(--color-text-main);
    font-size: 12px;
    white-space: nowrap;
    text-align: center;
    line-height: 1.2;
    position: relative;
    z-index: 1;
    transition: color 0.25s;
}

.image-ratio-btn:hover .ratio-label {
    color: var(--color-text-main);
}

.image-ratio-btn.active .ratio-label {
    color: var(--color-text-main);
    font-weight: 500;
}

/* 分辨率按钮 */
.image-resolution-buttons {
    display: flex;
    gap: 6px;
}

.image-resolution-buttons .btn {
    flex: 1;
    padding: 8px 6px;
    font-size: 14px;
}

/* 垫图上传区域 */
.image-ref-drop-zone {
    padding: 24px 12px;
    min-height: 100px;
}

.image-ref-drop-zone .file-drop-zone-text {
    font-size: 11px;
    line-height: 1.5;
}

/* 创意玩法选择 */
.creative-style-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 2px 0;
}

.creative-style-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px 6px;
    background: #FFFFFF;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.creative-style-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(138, 92, 245, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.25s;
}

.creative-style-item:hover {
    background: #F9FAFB;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(138, 92, 245, 0.2);
}

.creative-style-item:hover::before {
    opacity: 1;
}

.creative-style-item.active {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(129, 140, 248, 0.16) 100%);
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.2), inset 0 0 12px rgba(79, 70, 229, 0.08);
    transform: translateY(-2px);
}

.creative-style-item.active::before {
    opacity: 1;
}

.creative-style-image {
    width: 60px;
    height: 60px;
    border: 2px solid rgba(209, 213, 219, 0.9);
    border-radius: 6px;
    overflow: hidden;
    background: #F9FAFB;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    transition: all 0.25s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.creative-style-item:hover .creative-style-image {
    border-color: rgba(138, 92, 245, 0.7);
    box-shadow: 0 4px 12px rgba(138, 92, 245, 0.3);
}

.creative-style-item.active .creative-style-image {
    border-color: #8A5CF5;
    box-shadow: 0 4px 16px rgba(138, 92, 245, 0.5);
    transform: scale(1.05);
}

.creative-style-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.25s;
}

.creative-style-item:hover .creative-style-image img {
    transform: scale(1.08);
}

.creative-style-item.active .creative-style-image img {
    transform: scale(1.1);
}

.creative-style-label {
    color: var(--color-text-main);
    font-size: 12px;
    font-weight: 500;
    text-align: center;
    line-height: 1.2;
    position: relative;
    z-index: 1;
    transition: color 0.25s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.creative-style-item:hover .creative-style-label {
    color: var(--color-text-main);
}

.creative-style-item.active .creative-style-label {
    color: var(--color-text-main);
    font-weight: 600;
}

/* 右侧主内容区 */
.image-main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-bg-section);
}

/* 标签页 */
.image-tabs {
    display: flex;
    gap: 4px;
    padding: 16px 20px 0;
    border-bottom: 1px solid var(--color-border-subtle);
    background: linear-gradient(135deg, #FFFFFF 0%, #F9FAFB 100%);
}

.image-tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.image-tab-btn:hover {
    color: var(--color-text-main);
    background: rgba(79, 70, 229, 0.06);
}

.image-tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

.image-tab-btn i {
    font-size: 14px;
}

/* 结果展示区 */
.image-results-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.image-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.image-results-empty {
    text-align: center;
    color: var(--color-text-secondary);
    padding: 60px 20px;
    font-size: 14px;
}

/* 底部输入区 */
.image-input-area {
    border-top: 1px solid var(--color-border-subtle);
    background: linear-gradient(135deg, #FFFFFF 0%, #F9FAFB 100%);
    padding: 16px 20px;
}

.image-input-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.image-prompt-textarea {
    width: 100%;
    background: #FFFFFF;
    border: 1px solid var(--color-border-strong);
    border-radius: 6px;
    padding: 12px;
    color: var(--color-text-main);
    font-size: 14px;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.image-prompt-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.image-input-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    flex-wrap: wrap;
}

.uploaded-images-preview {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.image-input-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.image-input-buttons .btn {
    padding: 12px 20px;
    font-size: 14px;
    white-space: nowrap;
}

.image-input-buttons .btn-primary {
    padding: 12px 40px;
    font-size: 16px;
}

.uploaded-image-item {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid rgba(138, 92, 245, 0.5);
    background: #FFFFFF;
}

.uploaded-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uploaded-image-badge {
    position: absolute;
    top: 2px;
    left: 2px;
    background: rgba(138, 92, 245, 0.9);
    color: #FFFFFF;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 4px;
    border-radius: 3px;
    z-index: 1;
}

.remove-image-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.9);
    border: none;
    color: #FFFFFF;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 2;
}

.remove-image-btn:hover {
    background: rgba(239, 68, 68, 1);
    transform: scale(1.1);
}

/* ===========================
   响应式设计
   =========================== */
@media (max-width: 768px) {
    .sidebar {
        width: 120px;
    }
    
    .nav-btn {
        font-size: 12px;
        padding: 10px 12px;
    }
    
    .nav-btn span {
        display: none;
    }
    
    .nav-btn i {
        font-size: 18px;
    }
    
    .config-panel {
        flex-direction: column;
        align-items: stretch;
    }
    
    .config-select,
    .config-input {
        width: 100%;
    }
    
    .logo span {
        display: none;
    }
    
    .image-page-layout {
        flex-direction: column;
    }
    
    .image-config-sidebar {
        width: 100%;
        max-height: 400px;
    }
    
    .image-ratio-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
    }
    
    .image-ratio-btn {
        padding: 10px 6px;
        min-height: 65px;
        gap: 5px;
    }
    
    .ratio-preview {
        width: 28px;
        height: 18px;
        margin-bottom: 3px;
    }
    
    .ratio-preview[data-ratio="1:1"] {
        width: 20px;
        height: 20px;
    }
    
    .ratio-preview[data-ratio="3:2"] {
        width: 26px;
        height: 18px;
    }
    
    .ratio-preview[data-ratio="3:4"] {
        width: 16px;
        height: 22px;
    }
    
    .ratio-preview[data-ratio="4:3"] {
        width: 22px;
        height: 16px;
    }
    
    .ratio-preview[data-ratio="9:16"] {
        width: 10px;
        height: 22px;
    }
    
    .ratio-preview[data-ratio="2:3"] {
        width: 14px;
        height: 22px;
    }
    
    .ratio-preview[data-ratio="16:9"] {
        width: 26px;
        height: 14px;
    }
    
    .ratio-preview[data-ratio="21:9"] {
        width: 28px;
        height: 12px;
    }
    
    .ratio-value {
        font-size: 14px;
    }
    
    .ratio-label {
        font-size: 11px;
    }
    
    .creative-style-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        padding: 2px 0;
    }
    
    .creative-style-item {
        padding: 8px 4px;
        gap: 5px;
    }
    
    .creative-style-image {
        width: 60px;
        height: 60px;
    }
    
    .creative-style-label {
        font-size: 12px;
        line-height: 1.2;
    }
    
    .creative-style-item:hover {
        transform: translateY(-2px);
    }
    
    .creative-style-item.active {
        transform: translateY(-1px);
    }
    
    .image-input-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .image-input-buttons {
        width: 100%;
        justify-content: stretch;
    }
    
    .image-input-buttons .btn {
        flex: 1;
    }
    
    .image-upload-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .uploaded-images-preview {
        max-width: 100%;
        overflow-x: auto;
    }
    
    .uploaded-image-item {
        width: 45px;
        height: 45px;
        flex-shrink: 0;
    }
    
    #generateImageBtn {
        width: 100%;
    }
}

/* ===========================
   视频页面布局
   =========================== */
.video-page-layout {
    display: flex;
    height: 100%;
    overflow: hidden;
}

/* 左侧配置面板 */
.video-config-sidebar {
    width: 380px;
    background: var(--color-bg-shell);
    border-right: 1px solid var(--color-border-subtle);
    overflow-y: auto;
    padding: 16px;
    flex-shrink: 0;
}

.video-config-panel {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.video-config-title {
    margin-bottom: 8px;
}

.video-config-title h2 {
    color: #000000;
    font-size: 22px;
    font-weight: 700;
    margin: 0;
}

.video-config-section {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.video-config-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.video-config-section-title {
    color: var(--color-text-main);
    font-size: 15px;
    font-weight: 600;
}

/* 模型选择网格 */
.video-model-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    align-items: stretch;
}

.video-model-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 8px;
    background: #FFFFFF;
    border: 1.5px solid var(--color-border-subtle);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--color-text-main);
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.video-model-btn:hover {
    background: var(--color-primary-subtle);
    border-color: var(--color-primary-soft);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.18);
    color: var(--color-text-main);
}

.video-model-btn.active {
    background: #FFFFFF;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.35);
    color: var(--color-text-main);
}

.video-model-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F9FAFB;
}

.video-model-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.video-model-badge {
    position: absolute;
    top: 0;
    right: 0;
    width: 44px;
    height: 44px;
    object-fit: contain;
    pointer-events: none;
}

/* 时长、比例、质量按钮 */
.video-duration-buttons,
.video-ratio-buttons,
.video-quality-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.video-duration-buttons .btn,
.video-ratio-buttons .btn,
.video-quality-buttons .btn {
    flex: 1;
    padding: 8px 6px;
    font-size: 14px;
    min-width: 0;
}

/* 右侧主内容区 */
.video-main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-bg-section);
}

/* 标签页 */
.video-tabs {
    display: flex;
    gap: 4px;
    padding: 16px 20px 0;
    border-bottom: 1px solid var(--color-border-subtle);
    background: linear-gradient(135deg, #FFFFFF 0%, #F9FAFB 100%);
}

.video-tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.video-tab-btn:hover {
    color: var(--color-primary);
    background: var(--color-primary-subtle);
}

.video-tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

.video-tab-btn i {
    font-size: 14px;
}

/* 结果展示区 */
.video-results-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.video-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.video-result-item {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
    display: flex;
    flex-direction: column;
}

.video-result-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.28);
    border-color: var(--color-primary);
}

.video-result-preview {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.video-result-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-result-loading {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(15, 23, 42, 0.8);
    padding: 20px;
    gap: 12px;
}

.video-loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(37, 99, 235, 0.2);
    border-top-color: #3B82F6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.video-loading-text {
    color: #E2E8F0;
    font-size: 13px;
    text-align: center;
    line-height: 1.5;
}

.video-loading-progress {
    width: 100%;
    max-width: 200px;
    height: 4px;
    background-color: rgba(37, 99, 235, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 8px;
}

.video-loading-progress-bar {
    height: 100%;
    background-color: #3B82F6;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.video-result-error {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(239, 68, 68, 0.1);
    padding: 20px;
    gap: 8px;
    color: #EF4444;
}

.video-result-error i {
    font-size: 32px;
}

.video-result-error div {
    font-size: 13px;
    text-align: center;
}

.video-result-info {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.video-result-prompt {
    color: #E2E8F0;
    font-size: 13px;
    line-height: 1.5;
    word-break: break-word;
    white-space: normal;
}

.video-result-time {
    color: #94A3B8;
    font-size: 11px;
}

.video-result-actions {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.video-results-empty {
    text-align: center;
    color: #94A3B8;
    padding: 60px 20px;
    font-size: 14px;
}

/* 底部输入区 */
.video-input-area {
    border-top: 1px solid rgba(59, 130, 246, 0.15);
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    padding: 16px 20px;
}

.video-input-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.video-prompt-textarea {
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: 6px;
    padding: 12px;
    color: #E2E8F0;
    font-size: 14px;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.video-prompt-textarea:focus {
    outline: none;
    border-color: #8A5CF5;
}

.video-input-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
}

.video-input-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.video-input-buttons .btn {
    padding: 12px 40px;
    font-size: 16px;
    white-space: nowrap;
}

.video-upload-section {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.uploaded-video-image-preview {
    display: flex;
    gap: 8px;
    align-items: center;
}

.uploaded-video-image-item {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid rgba(138, 92, 245, 0.5);
    background: rgba(15, 23, 42, 0.8);
}

.uploaded-video-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.remove-video-image-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.9);
    border: none;
    color: #FFFFFF;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 2;
}

.remove-video-image-btn:hover {
    background: rgba(239, 68, 68, 1);
    transform: scale(1.1);
}

/* 视频页面响应式设计 */
@media (max-width: 768px) {
    .video-page-layout {
        flex-direction: column;
    }
    
    .video-config-sidebar {
        width: 100%;
        max-height: 400px;
    }
    
    .video-model-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
    
    .video-model-btn {
        padding: 10px 6px;
        font-size: 12px;
    }
    
    .video-model-btn i {
        font-size: 18px;
    }
    
    .video-results-grid {
        grid-template-columns: 1fr;
    }
    
    .video-input-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .video-input-buttons {
        width: 100%;
    }
    
    .video-input-buttons .btn {
        width: 100%;
    }
    
    .video-upload-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .uploaded-video-image-preview {
        max-width: 100%;
        overflow-x: auto;
    }
    
    .uploaded-video-image-item {
        width: 45px;
        height: 45px;
        flex-shrink: 0;
    }
    
    #generateVideoBtn {
        width: 100%;
    }
}

/* ===========================
   对话界面样式
   =========================== */
.chat-page-layout {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    background: var(--color-bg-shell);
    color: var(--color-text-main);
}

/* 消息列表容器 */
.chat-messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chat-messages-container::-webkit-scrollbar {
    width: 8px;
}

.chat-messages-container::-webkit-scrollbar-track {
    background: rgba(148, 163, 184, 0.25);
    border-radius: 4px;
}

.chat-messages-container::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.3);
    border-radius: 4px;
}

.chat-messages-container::-webkit-scrollbar-thumb:hover {
    background: rgba(59, 130, 246, 0.5);
}

/* 欢迎消息 */
.chat-welcome-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 60px 20px;
    text-align: center;
}

.chat-welcome-icon {
    font-size: 64px;
    color: #8A5CF5;
    margin-bottom: 24px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

.chat-welcome-text h2 {
    color: var(--color-text-main);
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 12px 0;
    background: linear-gradient(135deg, #8A5CF5 0%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.chat-welcome-text p {
    color: var(--color-text-secondary);
    font-size: 16px;
    margin: 0;
}

/* 消息项 */
.chat-message {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    animation: fadeInUp 0.3s ease-out;
}

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

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

.chat-message-assistant {
    flex-direction: row;
}

.chat-message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
}

.chat-message-user .chat-message-avatar {
    background: linear-gradient(135deg, #8A5CF5 0%, #6366f1 100%);
    color: #FFFFFF;
}

.chat-message-assistant .chat-message-avatar {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: #FFFFFF;
}

.chat-message-error .chat-message-avatar {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
}

.chat-message-content {
    flex: 1;
    max-width: 85%;
    min-width: 200px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    box-sizing: border-box;
}

.chat-message-user .chat-message-content {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.chat-message-user .chat-message-content > * {
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
}

.chat-message-assistant .chat-message-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.chat-message-assistant .chat-message-content > * {
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
}

.chat-message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 12px;
}

.chat-message-user .chat-message-header {
    flex-direction: row-reverse;
}

.chat-message-role {
    color: #94A3B8;
    font-weight: 600;
}

.chat-message-time {
    color: #64748B;
}

.chat-message-text {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--color-text-main);
    font-size: 15px;
    line-height: 1.6;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.chat-message-user .chat-message-text {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(129, 140, 248, 0.16) 100%);
    border-color: var(--color-primary);
}

.chat-message-assistant .chat-message-text {
    background: #FFFFFF;
    border-color: var(--color-border-subtle);
}

.chat-message-error .chat-message-text {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #FCA5A5;
}

.chat-message-text code {
    background: rgba(15, 23, 42, 0.04);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.chat-message-text strong {
    font-weight: 700;
    color: var(--color-text-main);
}

.chat-message-text em {
    font-style: italic;
    color: var(--color-text-secondary);
}

/* Markdown样式增强 */
.chat-message-text h1,
.chat-message-text h2,
.chat-message-text h3,
.chat-message-text h4,
.chat-message-text h5,
.chat-message-text h6 {
    color: var(--color-text-main);
    margin-top: 16px;
    margin-bottom: 8px;
    font-weight: 700;
}

.chat-message-text h1 { font-size: 24px; }
.chat-message-text h2 { font-size: 20px; }
.chat-message-text h3 { font-size: 18px; }
.chat-message-text h4 { font-size: 16px; }

.chat-message-text p {
    margin: 8px 0;
}

.chat-message-text ul,
.chat-message-text ol {
    margin: 8px 0;
    padding-left: 24px;
}

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

.chat-message-text blockquote {
    border-left: 3px solid rgba(59, 130, 246, 0.5);
    padding-left: 12px;
    margin: 8px 0;
    color: #CBD5E1;
    font-style: italic;
}

.chat-message-text pre {
    background: #0B1120;
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 8px 0;
}

.chat-message-text pre code {
    background: transparent;
    padding: 0;
    font-size: 14px;
}

.chat-message-text table {
    border-collapse: collapse;
    width: 100%;
    margin: 8px 0;
}

.chat-message-text table th,
.chat-message-text table td {
    border: 1px solid rgba(148, 163, 184, 0.7);
    padding: 8px;
    text-align: left;
}

.chat-message-text table th {
    background: rgba(59, 130, 246, 0.2);
    font-weight: 600;
}

.chat-message-text a {
    color: #60A5FA;
    text-decoration: none;
}

.chat-message-text a:hover {
    text-decoration: underline;
}

/* 消息操作按钮 */
.chat-message-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    /* 始终显示操作按钮，不再依赖鼠标悬停 */
    opacity: 1;
}

.chat-message-action-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(148, 163, 184, 0.12);
    border: 1px solid rgba(148, 163, 184, 0.5);
    border-radius: 6px;
    color: #4B5563;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 14px;
}

.chat-message-action-btn:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.6);
    color: #1D4ED8;
    transform: translateY(-1px);
}

.chat-message-export-dropdown {
    position: relative;
}

.chat-message-export-menu {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 8px;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    padding: 4px;
    min-width: 180px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.chat-export-option {
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: #E2E8F0;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-size: 14px;
}

.chat-export-option:hover {
    background: rgba(59, 130, 246, 0.2);
    color: #93C5FD;
}

.chat-export-option i {
    width: 16px;
    text-align: center;
}

/* 输入区域 */
.chat-input-area {
    padding: 20px 24px;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    flex-shrink: 0;
}

.chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    padding: 12px;
    transition: all 0.3s ease;
}

.chat-file-input {
    display: none;
}

.chat-upload-btn {
    padding: 12px 40px;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60A5FA;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    position: relative;
    font-size: 16px;
    white-space: nowrap;
}

.chat-upload-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
    color: #93C5FD;
    transform: translateY(-1px);
}

.chat-upload-btn::after {
    content: '📁 支持识别png、jpg格式的图片；txt、docx、pdf格式的文档；pptx演示文稿、html、py代码文件、zip压缩包等。\A\A注意：PDF、DOCX文档内不能包含图片，必须是纯文本可复制的文档。GPT、Gemini和Grok系列模型单文件大小不能超过10MB，暂不支持多文件。';
    white-space: pre-line;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 8px;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    color: #E2E8F0;
    font-size: 12px;
    line-height: 1.6;
    width: 320px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    text-align: left;
}

.chat-upload-btn:hover::after {
    opacity: 1;
    pointer-events: auto;
}

.chat-input-wrapper:focus-within {
    border-color: rgba(138, 92, 245, 0.5);
    box-shadow: 0 0 0 3px rgba(138, 92, 245, 0.1);
}

.chat-input-textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: #000000;
    font-size: 15px;
    line-height: 1.6;
    resize: none;
    outline: none;
    min-height: 24px;
    max-height: 200px;
    font-family: inherit;
}

.chat-input-textarea::placeholder {
    color: #64748B;
}

.chat-input-textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.chat-input-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.chat-send-btn {
    padding: 12px 40px;
    border-radius: 6px;
    background: linear-gradient(135deg, #8A5CF5 0%, #6366f1 100%);
    border: none;
    color: #FFFFFF;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    font-size: 16px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(138, 92, 245, 0.3);
}

.chat-send-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #9A6CF5 0%, #7376f1 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(138, 92, 245, 0.4);
}

.chat-send-btn:active:not(:disabled) {
    transform: translateY(0);
}

.chat-send-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.chat-input-hint {
    margin-top: 8px;
    text-align: center;
}

.chat-input-hint span {
    color: #64748B;
    font-size: 12px;
}

/* 上传文件显示区域 */
.chat-uploaded-files {
    margin-top: 12px;
    padding: 0 4px;
}

.chat-uploaded-file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.chat-uploaded-file-item:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

.chat-uploaded-file-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    color: #60A5FA;
    font-size: 16px;
    flex-shrink: 0;
}

.chat-uploaded-file-info {
    flex: 1;
    min-width: 0;
}

.chat-uploaded-file-name {
    color: #E2E8F0;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.chat-uploaded-file-size {
    color: #64748B;
    font-size: 12px;
}

.chat-uploaded-file-remove {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: #64748B;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.chat-uploaded-file-remove:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #F87171;
}

/* 消息中的文件显示 */
.chat-message-file {
    margin-bottom: 12px;
    padding: 12px;
    background: rgba(15, 23, 42, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.chat-message-file-preview {
    margin-bottom: 8px;
    border-radius: 6px;
    overflow: hidden;
    max-width: 100%;
}

.chat-message-file-preview img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

.chat-message-file-name,
.chat-message-file-info {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: #94A3B8;
    font-size: 13px;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
    flex-wrap: wrap;
}

.chat-message-file-name span:first-of-type,
.chat-message-file-info span:first-of-type {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: anywhere;
    white-space: normal;
    line-height: 1.6;
    overflow: visible;
    display: inline-block;
}

.chat-message-file-name i,
.chat-message-file-info i {
    color: #60A5FA;
    font-size: 14px;
    flex-shrink: 0;
}

.chat-message-file-size {
    color: #64748B;
    font-size: 12px;
    margin-left: 8px;
    white-space: nowrap;
    flex-shrink: 0;
    align-self: flex-start;
    padding-top: 2px;
}

/* 对话列表面板 */
.chat-conversations-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin-top: 20px;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    padding-top: 20px;
}

.chat-new-conversation-btn {
    margin: 0 10px 16px;
    padding: 10px 16px;
    background: linear-gradient(135deg, #8A5CF5 0%, #6366f1 100%);
    border: none;
    border-radius: 8px;
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(138, 92, 245, 0.3);
}

.chat-new-conversation-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(138, 92, 245, 0.4);
}

.chat-new-conversation-btn:active {
    transform: translateY(0);
}

.chat-new-conversation-btn i {
    font-size: 14px;
}

.chat-conversations-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chat-conversations-list::-webkit-scrollbar {
    width: 6px;
}

.chat-conversations-list::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
    border-radius: 3px;
}

.chat-conversations-list::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.3);
    border-radius: 3px;
}

.chat-conversations-list::-webkit-scrollbar-thumb:hover {
    background: rgba(59, 130, 246, 0.5);
}

.chat-conversation-item {
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    position: relative;
    color: var(--color-text-main);
    font-size: 13px;
}

.chat-conversation-item:hover {
    background: rgba(59, 130, 246, 0.08);
    color: var(--color-text-main);
}

.chat-conversation-item.active {
    background: linear-gradient(135deg, rgba(138, 92, 245, 0.2) 0%, rgba(99, 102, 241, 0.2) 100%);
    color: #FFFFFF;
    border: 1px solid rgba(138, 92, 245, 0.3);
}

.chat-conversation-item-content {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-conversation-item-icon {
    font-size: 14px;
    flex-shrink: 0;
}

.chat-conversation-item-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-conversation-item-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.chat-conversation-item-action {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: none;
    background: rgba(59, 130, 246, 0.2);
    color: #94A3B8;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 12px;
}

.chat-conversation-item-action:hover {
    background: rgba(59, 130, 246, 0.3);
    color: #E2E8F0;
}

.chat-conversation-item-action.delete:hover {
    background: rgba(239, 68, 68, 0.3);
    color: #FCA5A5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .chat-messages-container {
        padding: 16px;
    }

    .chat-welcome-text h2 {
        font-size: 24px;
    }

    .chat-welcome-text p {
        font-size: 14px;
    }

    .chat-message-content {
        max-width: 85%;
    }

    .chat-input-area {
        padding: 16px;
    }
    
    .chat-input-buttons {
        gap: 6px;
    }
    
    .chat-upload-btn {
        padding: 10px 32px;
        font-size: 14px;
    }
    
    .chat-send-btn {
        padding: 10px 32px;
        font-size: 14px;
    }
}

/* ===========================
   模型选择器样式
   =========================== */
.model-selector-wrapper {
    margin-bottom: 12px;
}

.model-selector-container {
    position: relative;
}

.model-selector-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: #FFFFFF;
    border: 1px solid var(--color-border-strong);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.model-selector-display:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-subtle);
}

.model-selector-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.model-selector-icon {
    color: var(--color-primary);
    font-size: 16px;
}

.model-selector-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.model-selector-name {
    color: var(--color-text-main);
    font-size: 14px;
    font-weight: 600;
}

.model-selector-description {
    color: var(--color-text-secondary);
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.model-selector-table-col-description {
    word-wrap: break-word;
    word-break: break-all;
    white-space: normal;
    line-height: 1.5;
    overflow-wrap: break-word;
}

.model-selector-arrow {
    color: #64748B;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.model-selector-display:hover .model-selector-arrow {
    transform: translateY(2px);
}

.model-selector-dropdown {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: 12px;
    background: #1E293B;
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    max-height: 600px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.model-selector-header {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.model-selector-title {
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 4px 0;
}

.model-selector-hint {
    color: #94A3B8;
    font-size: 12px;
    margin: 0;
}

.model-selector-controls {
    display: flex;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.model-selector-filter {
    flex: 1;
}

.model-selector-select {
    width: 100%;
    padding: 8px 12px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    color: #E2E8F0;
    font-size: 14px;
    cursor: pointer;
}

.model-selector-select:focus {
    outline: none;
    border-color: rgba(138, 92, 245, 0.5);
}

.model-selector-search {
    flex: 2;
    position: relative;
}

.model-selector-search-input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    color: #E2E8F0;
    font-size: 14px;
}

.model-selector-search-input:focus {
    outline: none;
    border-color: rgba(138, 92, 245, 0.5);
}

.model-selector-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #64748B;
    font-size: 14px;
}

.model-selector-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    overflow-x: auto;
}

.model-selector-nav-btn {
    flex-shrink: 0;
    padding: 6px 10px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    color: #E2E8F0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.model-selector-nav-btn:hover {
    background: rgba(138, 92, 245, 0.2);
    border-color: rgba(138, 92, 245, 0.4);
}

.model-selector-nav-items {
    display: flex;
    gap: 8px;
    flex: 1;
    overflow-x: auto;
}

.model-selector-nav-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    color: #E2E8F0;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.model-selector-nav-item:hover {
    background: rgba(138, 92, 245, 0.1);
    border-color: rgba(138, 92, 245, 0.3);
}

.model-selector-nav-item.active {
    background: linear-gradient(135deg, #8A5CF5 0%, #6366f1 100%);
    border-color: rgba(138, 92, 245, 0.5);
    color: #FFFFFF;
}

.model-selector-content {
    display: flex;
    flex: 1;
    overflow: hidden;
    min-height: 300px;
}

.model-selector-sidebar {
    width: 180px;
    padding: 12px;
    border-right: 1px solid rgba(59, 130, 246, 0.2);
    overflow-y: auto;
    background: rgba(15, 23, 42, 0.5);
}

.model-selector-sidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 4px;
}

.model-selector-sidebar-item:hover {
    background: rgba(138, 92, 245, 0.1);
}

.model-selector-sidebar-icon {
    font-size: 16px;
}

.model-selector-sidebar-name {
    flex: 1;
    color: #E2E8F0;
    font-size: 13px;
}

.model-selector-sidebar-count {
    color: #64748B;
    font-size: 12px;
    background: rgba(59, 130, 246, 0.2);
    padding: 2px 6px;
    border-radius: 10px;
}

.model-selector-main {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.model-selector-table {
    width: 100%;
}

.model-selector-table-header {
    display: grid;
    grid-template-columns: 130px 160px 1fr 120px;
    gap: 1px;
    padding: 12px 8px;
    background: rgba(15, 23, 42, 0.8);
    border-radius: 8px;
    margin-bottom: 8px;
}

.model-selector-table-col-category,
.model-selector-table-col-name,
.model-selector-table-col-description,
.model-selector-table-col-time {
    color: #94A3B8;
    font-size: 13px;
    font-weight: 600;
}

.model-selector-table-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.model-selector-table-row {
    display: grid;
    grid-template-columns: 130px 160px 1fr 120px;
    gap: 1px;
    padding: 12px 8px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.model-selector-table-row:hover {
    background: rgba(138, 92, 245, 0.1);
    border-color: rgba(138, 92, 245, 0.3);
}

.model-selector-table-row.selected {
    background: rgba(138, 92, 245, 0.2);
    border-color: rgba(138, 92, 245, 0.5);
}

.model-selector-table-row.selected::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #8A5CF5 0%, #6366f1 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.model-selector-check {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #FFFFFF;
    font-size: 12px;
    z-index: 1;
}

.model-selector-category-icon {
    margin-right: 6px;
    font-size: 14px;
}

.model-type-tags {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
    font-size: 12px;
    color: #94A3B8;
}

.model-type-badge {
    display: inline-block;
    padding: 2px 6px;
    background: rgba(138, 92, 245, 0.2);
    border-radius: 4px;
    font-size: 11px;
    color: #C4B5FD;
    margin-left: 4px;
}

.model-price-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.model-price-badge.premium {
    background: rgba(138, 92, 245, 0.2);
    color: #C4B5FD;
}

.model-price-badge.normal {
    background: rgba(59, 130, 246, 0.2);
    color: #93C5FD;
}

.model-selector-footer {
    padding: 12px 20px;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    display: flex;
    justify-content: flex-end;
}

.model-selector-manage-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(138, 92, 245, 0.2);
    border: 1px solid rgba(138, 92, 245, 0.3);
    border-radius: 6px;
    color: #C4B5FD;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.model-selector-manage-btn:hover {
    background: rgba(138, 92, 245, 0.3);
    border-color: rgba(138, 92, 245, 0.5);
}

.model-context-menu {
    background: #1E293B;
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    padding: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    min-width: 150px;
}

.model-context-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: #E2E8F0;
    font-size: 13px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.model-context-menu-item:hover {
    background: rgba(138, 92, 245, 0.2);
}

.model-context-menu-item i {
    width: 16px;
    text-align: center;
}

/* ===========================
   模型管理器对话框样式
   =========================== */
.model-manager-dialog {
    max-width: 600px;
}

.model-manager-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.model-manager-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.model-manager-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #E2E8F0;
    font-size: 14px;
    font-weight: 600;
}

.model-manager-label i {
    color: #8A5CF5;
    font-size: 14px;
}

.model-manager-label .required {
    color: #EF4444;
}

.model-manager-input,
.model-manager-select,
.model-manager-textarea {
    padding: 10px 12px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    color: #E2E8F0;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: inherit;
    resize: vertical;
}

.model-manager-textarea {
    min-height: 80px;
    line-height: 1.5;
}

.model-manager-input:focus,
.model-manager-select:focus,
.model-manager-textarea:focus {
    outline: none;
    border-color: rgba(138, 92, 245, 0.5);
    box-shadow: 0 0 0 3px rgba(138, 92, 245, 0.1);
}

.model-manager-input-group {
    display: flex;
    gap: 8px;
}

.model-manager-input-group .model-manager-input {
    flex: 1;
}

.model-manager-icon-select {
    width: 60px;
    padding: 10px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    color: #E2E8F0;
    font-size: 16px;
    cursor: pointer;
}

.model-types-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.model-type-field {
    display: flex;
    gap: 8px;
    align-items: center;
}

.model-type-icon-select {
    width: 50px;
    padding: 8px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    color: #E2E8F0;
    font-size: 16px;
    cursor: pointer;
}

.model-type-input {
    flex: 1;
    padding: 8px 12px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    color: #E2E8F0;
    font-size: 14px;
}

.model-type-input:focus {
    outline: none;
    border-color: rgba(138, 92, 245, 0.5);
}

.model-type-remove-btn {
    padding: 8px 10px;
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 6px;
    color: #FCA5A5;
    cursor: pointer;
    transition: all 0.3s ease;
}

.model-type-remove-btn:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: rgba(239, 68, 68, 0.5);
}

.model-manager-add-type-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(138, 92, 245, 0.1);
    border: 1px solid rgba(138, 92, 245, 0.2);
    border-radius: 6px;
    color: #C4B5FD;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: fit-content;
}

.model-manager-add-type-btn:hover {
    background: rgba(138, 92, 245, 0.2);
    border-color: rgba(138, 92, 245, 0.3);
}

.model-manager-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #E2E8F0;
    font-size: 14px;
    cursor: pointer;
}

.model-manager-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #8A5CF5;
}

.model-manager-btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.model-manager-btn-cancel {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93C5FD;
}

.model-manager-btn-cancel:hover {
    background: rgba(59, 130, 246, 0.3);
    border-color: rgba(59, 130, 246, 0.5);
}

.model-manager-btn-submit {
    background: linear-gradient(135deg, #8A5CF5 0%, #6366f1 100%);
    color: #FFFFFF;
}

.model-manager-btn-submit:hover {
    background: linear-gradient(135deg, #9A6CF5 0%, #7376f1 100%);
    box-shadow: 0 4px 12px rgba(138, 92, 245, 0.4);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .model-selector-dropdown {
        max-height: 80vh;
    }
    
    .model-selector-content {
        flex-direction: column;
    }
    
    .model-selector-sidebar {
        width: 100%;
        max-height: 120px;
        border-right: none;
        border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    }
    
    .model-selector-table-header,
    .model-selector-table-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .model-selector-table-col-category,
    .model-selector-table-col-name,
    .model-selector-table-col-description,
    .model-selector-table-col-time {
        display: none;
    }
    
    .model-selector-table-row::before {
        content: attr(data-label);
        font-weight: 600;
        color: #94A3B8;
        font-size: 12px;
        margin-bottom: 4px;
    }
}

/* ===========================
   全局主题变量 & 逻辑配色（浅色 / 白色系）
   =========================== */
:root {
    /* 品牌与主色（统一更浅的蓝色系） */
    --color-primary: #3B82F6;           /* 主按钮、主高亮：更亮一点的蓝 */
    --color-primary-soft: #93C5FD;      /* 渐变/描边用的更浅蓝 */
    --color-primary-subtle: #EFF6FF;    /* Hover / 背景用的淡蓝 */

    /* 中性色阶（页面 > 区块 > 卡片） */
    --color-bg-page: #F5F5F7;
    --color-bg-shell: #FFFFFF;
    --color-bg-section: #F7F7FA;
    --color-bg-surface: #FFFFFF;

    /* 边框 & 分割线（略暖的灰） */
    --color-border-subtle: #E2E4EC;
    --color-border-strong: #CFD2DD;

    /* 文本颜色（接近参考图的中等深灰） */
    --color-text-main: #1F2933;
    --color-text-secondary: #4B5563;
    --color-text-muted: #9CA3AF;

    /* 功能色（保持常规语义色，警告稍微偏橙） */
    --color-success: #16A34A;
    --color-warning: #FFB020;
    --color-danger: #DC2626;

    /* 侧边栏宽度 */
    --sidebar-width: 160px;
    --sidebar-width-chat: 260px;
}

/* 统一背景 & 文本为新主题浅色 */
.app-container {
    background: var(--color-bg-shell);
}

.main-content {
    background: var(--color-bg-section);
}

/* 左侧导航（浅色背景，保留主色高亮） */
.sidebar {
    width: var(--sidebar-width);
    background: #F3F4F6;
    border-right: 1px solid var(--color-border-subtle);
    box-shadow: 2px 0 10px rgba(15, 23, 42, 0.05);
}

.sidebar-chat {
    width: var(--sidebar-width-chat);
}

.logo {
    border-bottom-color: rgba(209, 213, 219, 0.9);
}

.nav-btn {
    color: var(--color-text-secondary);
}

.nav-btn:hover {
    background-color: rgba(209, 213, 219, 0.5);
    color: var(--color-text-main);
}

.nav-btn.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(147, 197, 253, 0.18) 100%);
    color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
}

.nav-btn.active::before {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-soft) 100%);
}

/* 内容区 & 卡片 */
.content-area {
    background: radial-gradient(circle at top, #F9FAFB 0%, #F3F4F6 40%, #E5E7EB 100%);
}

.card {
    background: var(--color-bg-surface);
    border-color: var(--color-border-subtle);
}

.card:hover {
    border-color: rgba(79, 70, 229, 0.45);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.card-title i {
    color: var(--color-primary);
}

/* 表单元素（浅色输入框） */
.form-input,
.form-textarea,
.form-select,
.config-select,
.config-input {
    background-color: #FFFFFF;
    border-color: var(--color-border-strong);
    color: var(--color-text-main);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus,
.config-select:focus,
.config-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(79, 70, 229, 0.25);
}

/* 按钮语义色 */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-soft) 100%);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4338CA 0%, #4F46E5 100%);
}

.btn-secondary {
    background-color: #F3F4F6;
    border-color: var(--color-border-strong);
    color: var(--color-text-secondary);
}

.btn-secondary.active {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(129, 140, 248, 0.16) 100%);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

/* 文件拖拽区（浅色卡片） */
.file-drop-zone {
    background: radial-gradient(circle at top, #F9FAFB 0%, #EFF6FF 70%);
    border-color: rgba(148, 163, 184, 0.6);
}

.file-drop-zone:hover,
.file-drop-zone.drag-over {
    border-color: var(--color-primary);
}

/* 状态消息 */
.message-success {
    background-color: var(--color-success);
}

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

.message-warning {
    background-color: var(--color-warning);
}

/* 图片 / 视频布局（浅色版） */
.image-config-sidebar,
.video-config-sidebar {
    background: linear-gradient(180deg, #FFFFFF 0%, #F3F4F6 100%);
    border-right: 1px solid var(--color-border-subtle);
}

.image-main-content,
.video-main-content {
    background: radial-gradient(circle at top, #F9FAFB 0%, #F3F4F6 40%, #E5E7EB 100%);
}

.image-tabs,
.video-tabs {
    background: linear-gradient(135deg, #FFFFFF 0%, #F9FAFB 100%);
    border-bottom-color: var(--color-border-subtle);
}

.image-tab-btn.active,
.video-tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.image-input-area,
.video-input-area {
    background: linear-gradient(135deg, #FFFFFF 0%, #F9FAFB 100%);
    border-top-color: var(--color-border-subtle);
}

.image-prompt-textarea,
.video-prompt-textarea {
    background: #FFFFFF;
    border-color: var(--color-border-strong);
    color: var(--color-text-main);
}

.image-prompt-textarea:focus,
.video-prompt-textarea:focus {
    border-color: var(--color-primary);
}

/* 对话界面统一到浅色主题 */
.chat-page-layout {
    background: radial-gradient(circle at top, #FFFFFF 0%, #F9FAFB 45%, #E5E7EB 100%);
}

.chat-message-text {
    background: #FFFFFF;
    border-color: rgba(209, 213, 219, 0.9);
    color: var(--color-text-main);
}

.chat-message-user .chat-message-text {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.06) 0%, rgba(129, 140, 248, 0.14) 100%);
    border-color: rgba(79, 70, 229, 0.35);
}

.chat-input-area {
    background: linear-gradient(180deg, #FFFFFF 0%, #F9FAFB 100%);
    border-top-color: var(--color-border-subtle);
}

.chat-input-wrapper {
    background: #FFFFFF;
    border-color: rgba(209, 213, 219, 0.9);
}

.chat-input-wrapper:focus-within {
    border-color: rgba(79, 70, 229, 0.7);
    box-shadow: 0 0 0 1px rgba(79, 70, 229, 0.4);
}

.chat-send-btn {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-soft) 100%);
}

.chat-upload-btn {
    background: #F3F4F6;
    border-color: rgba(209, 213, 219, 0.9);
    color: var(--color-text-secondary);
}

.chat-uploaded-file-item {
    background: #F9FAFB;
    border-color: rgba(209, 213, 219, 0.9);
}

.chat-message-file {
    background: #F9FAFB;
    border-color: rgba(209, 213, 219, 0.9);
}

.chat-conversation-item.active {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(129, 140, 248, 0.16) 100%);
    border-color: rgba(79, 70, 229, 0.45);
    color: var(--color-primary);
}

/* 结果卡片统一高亮逻辑（浅色） */
.image-result-item,
.video-result-item {
    background: #FFFFFF;
    border-color: rgba(209, 213, 219, 0.9);
}

.image-result-item:hover,
.video-result-item:hover {
    border-color: rgba(79, 70, 229, 0.6);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

/* 小屏下侧边栏跟随变量收窄 */
@media (max-width: 768px) {
    .sidebar {
        width: calc(var(--sidebar-width) - 30px);
    }

    .sidebar-chat {
        width: calc(var(--sidebar-width-chat) - 40px);
    }
}