/**
 * AI创作工坊 - 浅色系主题样式
 * 设计理念：专业科技感，强调创造力与可靠性
 * 配色：深蓝靛青 (Deep Indigo) - 专业、稳重、科技感
 */

/* ===========================
   CSS变量定义 - 深蓝靛青设计系统
   =========================== */
:root {
    /* 主色调 - 深蓝靛青 */
    --color-primary: #4F46E5;
    --color-primary-light: #6366F1;
    --color-primary-dark: #4338CA;
    --color-primary-50: #EEF2FF;
    --color-primary-100: #E0E7FF;
    --color-primary-200: #C7D2FE;
    
    /* 辅助色 - 紫罗兰 */
    --color-secondary: #8B5CF6;
    --color-secondary-light: #A78BFA;
    --color-secondary-dark: #7C3AED;
    
    /* 强调色 - 珊瑚橙 */
    --color-accent: #F97316;
    --color-accent-light: #FB923C;
    --color-accent-dark: #EA580C;
    
    /* 青色辅助 */
    --color-cyan: #06B6D4;
    --color-cyan-light: #22D3EE;

    /* 粉色辅助 */
    --color-pink: #EC4899;
    --color-pink-light: #F472B6;
    --color-pink-dark: #DB2777;
    --color-pink-50: #FDF2F8;

    /* 背景色系 - 浅灰蓝主题 */
    --color-bg-page: #F8FAFC;
    --color-bg-surface: #FFFFFF;
    --color-bg-elevated: #F1F5F9;
    --color-bg-glass: rgba(255, 255, 255, 0.95);
    --color-bg-hover: #F1F5F9;
    --color-bg-active: rgba(79, 70, 229, 0.08);

    /* 文字色系 - 深灰确保可读性 */
    --color-text-primary: #1E293B;
    --color-text-secondary: #475569;
    --color-text-tertiary: #64748B;
    --color-text-muted: #94A3B8;
    --color-text-inverse: #FFFFFF;

    /* 边框色系 */
    --color-border: #E2E8F0;
    --color-border-hover: #CBD5E1;
    --color-border-focus: rgba(79, 70, 229, 0.4);
    --color-border-light: #F1F5F9;

    /* 功能色系 */
    --color-success: #10B981;
    --color-success-light: #D1FAE5;
    --color-success-dark: #059669;
    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-warning-dark: #D97706;
    --color-error: #EF4444;
    --color-error-light: #FEE2E2;
    --color-error-dark: #DC2626;
    --color-info: #3B82F6;
    --color-info-light: #DBEAFE;
    --color-info-dark: #2563EB;

    /* 阴影系统 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.15);
    --shadow-focus: 0 0 0 3px rgba(79, 70, 229, 0.2);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-primary: 0 4px 14px rgba(79, 70, 229, 0.25);
    --shadow-primary-lg: 0 8px 24px rgba(79, 70, 229, 0.35);

    /* 圆角系统 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-full: 9999px;

    /* 间距系统 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* 过渡动画 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index 层级管理 */
    --z-base: 1;
    --z-dropdown: 10;
    --z-sticky: 20;
    --z-fixed: 30;
    --z-modal-backdrop: 40;
    --z-modal: 50;
    --z-popover: 60;
    --z-tooltip: 70;
    --z-toast: 100;

    /* 触摸目标最小尺寸 */
    --touch-target-min: 44px;
}

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

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #F8FAFC 0%, #FFFFFF 50%, #F1F5F9 100%);
    background-attachment: fixed;
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 自定义滚动条 - 浅色主题 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #cbd5e1, #94a3b8);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #94a3b8, #64748b);
}

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

/* 添加柔和背景效果 - 深蓝靛青主题 */
.app-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 15% 15%, rgba(79, 70, 229, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ===========================
   顶部导航栏 - 新设计
   =========================== */
.top-nav {
    background: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: var(--z-fixed);
}

.top-nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.top-nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--color-text-primary);
    text-decoration: none;
}

.top-nav-logo i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-md);
    font-size: 18px;
    color: white;
}

.top-nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.top-nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px 16px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.top-nav-item:hover {
    background: var(--color-bg-hover);
    color: var(--color-primary);
}

.top-nav-item.active {
    background: var(--color-primary-50);
    border-color: var(--color-primary-200);
    color: var(--color-primary);
    font-weight: 600;
}

.top-nav-item i {
    font-size: 16px;
}

.top-nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* ===========================
   顶部配置区 - 浅色玻璃态
   =========================== */
.header {
    background: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 8px 24px;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    position: relative;
    z-index: var(--z-sticky);
}

/* ===========================
   配置面板样式（已迁移到 config-panel.css）
   保留此注释以说明样式位置
   =========================== */

/* ===========================
   主内容区 - 新布局
   =========================== */
.main-content {
    display: flex;
    flex: 1;
    overflow: auto;
    position: relative;
}

/* ===========================
   内容区域
   =========================== */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: auto;
    background: var(--color-bg-page);
    position: relative;
}

/* ===========================
   标签页内容
   =========================== */
.tab-content {
    display: none;
    flex: 1;
    overflow: auto;
    padding: var(--spacing-lg);
}

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

/* ===========================
   页面标题
   =========================== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.page-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* ===========================
   卡片组件
   =========================== */
.card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

/* ===========================
   按钮组件
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-bg-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary-200);
    color: var(--color-primary);
}

.btn-secondary.active {
    background: var(--color-primary-50);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

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

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: white;
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.25);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ===========================
   表单组件
   =========================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.form-label-required::after {
    content: '*';
    color: var(--color-error);
    margin-left: 4px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--transition-base);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
    border-color: var(--color-border-hover);
}

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

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

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

.form-hint {
    margin-top: var(--spacing-xs);
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.form-error {
    margin-top: var(--spacing-xs);
    font-size: 12px;
    color: var(--color-error);
}

/* ===========================
   标签组件
   =========================== */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.tag-primary {
    background: rgba(79, 70, 229, 0.1);
    border-color: rgba(79, 70, 229, 0.2);
    color: var(--color-primary);
}

.tag-success {
    background: var(--color-success-light);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.tag-warning {
    background: var(--color-warning-light);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

.tag-error {
    background: var(--color-error-light);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--color-error);
}

/* ===========================
   徽章组件
   =========================== */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    color: white;
}

/* ===========================
   分割线
   =========================== */
.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-md) 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background: var(--color-border);
    margin: 0 var(--spacing-md);
}

/* ===========================
   工具提示
   =========================== */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 6px 12px;
    background: var(--color-text-primary);
    border-radius: var(--radius-md);
    font-size: 12px;
    color: white;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* ===========================
   加载动画
   =========================== */
.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.skeleton {
    background: linear-gradient(90deg, var(--color-bg-elevated) 25%, var(--color-bg-hover) 50%, var(--color-bg-elevated) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ===========================
   响应式断点
   =========================== */
@media (max-width: 1024px) {
    .top-nav {
        padding: 0 16px;
    }
    
    .top-nav-menu {
        display: none;
    }
    
    .header {
        padding: 12px 16px;
    }
    
    .tab-content {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}

/* ===========================
   动画效果
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-slide-up {
    animation: slideInUp 0.4s ease-out;
}

.animate-slide-right {
    animation: slideInRight 0.4s ease-out;
}

/* ===========================
   移动端导航（全局共享）
   =========================== */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 16px;
    transition: all var(--transition-base);
}

.mobile-menu-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-primary);
}

@media (max-width: 1024px) {
    .mobile-menu-btn {
        display: flex;
    }
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: var(--z-modal-backdrop);
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
}

.mobile-nav-overlay.open {
    display: block;
}

.mobile-nav-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: var(--color-bg-surface);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    animation: slideInRight 0.25s ease-out;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-header span {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.mobile-nav-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 16px;
    transition: all var(--transition-base);
}

.mobile-nav-close:hover {
    background: var(--color-bg-hover);
    color: var(--color-error);
}

.mobile-nav-links {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-base);
}

.mobile-nav-item:hover {
    background: var(--color-bg-hover);
    color: var(--color-primary);
}

.mobile-nav-item.active {
    background: var(--color-primary-50);
    color: var(--color-primary);
    font-weight: 600;
}

.mobile-nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}