/* style-enhanced.css - 现代化增强主题 */

/* 引入Google字体 - 在<head>中添加:
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
*/

:root {
    /* 色彩系统 - 更精致的调色板 */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* 语义化颜色 */
    --bg: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(148, 163, 184, 0.1);
    --text: #0f172a;
    --text-muted: #64748b;
    --accent: var(--primary-600);
    --accent-alpha: rgba(37, 99, 235, 0.15);
    --accent-gradient: linear-gradient(135deg, var(--primary-600) 0%, #8b5cf6 100%);
    --accent-gradient-hover: linear-gradient(135deg, var(--primary-700) 0%, #7c3aed 100%);
    --danger: #ef4444;
    --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --success: #10b981;
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --warning: #f59e0b;
    
    /* 玻璃拟态效果 */
    --glass-blur: blur(12px);
    --glass-shadow: 0 8px 32px rgba(2, 8, 20, 0.1);
    
    /* 间距系统 */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    
    /* 阴影系统 - 更丰富的层次 */
    --shadow-xs: 0 1px 2px rgba(2, 8, 20, 0.04);
    --shadow-sm: 0 1px 3px rgba(2, 8, 20, 0.08);
    --shadow-md: 0 4px 6px rgba(2, 8, 20, 0.08);
    --shadow-lg: 0 10px 15px rgba(2, 8, 20, 0.12);
    --shadow-xl: 0 20px 25px rgba(2, 8, 20, 0.15);
    
    /* 动画曲线 - 更流畅的动效 */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 边框与圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    
    /* 字体系统 */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* 深色模式 */
[data-theme="dark"] {
    --bg: #0f172a;
    --card-bg: rgba(15, 23, 42, 0.8);
    --card-border: rgba(148, 163, 184, 0.1);
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --glass-shadow: 0 8px 32px rgba(2, 8, 20, 0.4);
}

/* 基础重置 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    background-image: 
        radial-gradient(circle at 1% 1%, var(--primary-50) 0%, transparent 2%),
        radial-gradient(circle at 99% 99%, var(--primary-100) 0%, transparent 2%);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.65;
    transition: var(--transition-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 玻璃拟态卡片基础效果 */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius-lg);
}

/* 动画定义 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(var(--space-4));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-10px) scale(0.98);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* 设置页面加载动画 */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.05), transparent);
    animation: shimmer 2s infinite;
    pointer-events: none;
    z-index: -1;
}

/* 按钮系统 */
.btn, .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.75rem 1.5rem;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn::after, .btn-primary::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn:hover, .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

.btn:hover::after, .btn-primary:hover::after {
    transform: translateX(100%);
}

.btn:active, .btn-primary:active {
    transform: translateY(0);
    transition: var(--transition-fast);
}

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

.btn-success {
    background: var(--success-gradient);
}

.btn-icon {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 50%;
    background: var(--card-bg);
    color: var(--text-muted);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.btn-icon:hover {
    background: var(--accent-alpha);
    color: var(--accent);
    transform: scale(1.1);
}

/* 主头部 - 玻璃拟态效果 */
.main-header {
    @extend .glass-card;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-8);
    margin: var(--space-4);
    animation: slideIn 0.4s ease;
    position: sticky;
    top: var(--space-4);
    z-index: 100;
}

.header-left h1 {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.stats-bar {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-2);
}

.stat-item {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-info {
    font-weight: 600;
    color: var(--accent);
    padding: var(--space-1) var(--space-3);
    background: var(--accent-alpha);
    border-radius: var(--radius-sm);
}

/* 筛选栏 - 玻璃拟态 */
.filter-bar {
    @extend .glass-card;
    margin: var(--space-4) var(--space-8);
    padding: var(--space-5) var(--space-6);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-5);
    align-items: center;
    animation: fadeIn 0.5s ease;
}

.search-box {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-box::before {
    content: "🔍";
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) 2.5rem;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    background: var(--card-bg);
    color: var(--text);
    transition: var(--transition-base);
    font-size: 1rem;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-alpha);
}

.filter-tags {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    flex-wrap: wrap;
}

.filter-tags label {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.tag {
    padding: var(--space-1) var(--space-3);
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent);
    border-radius: 9999px;
    font-size: 0.875rem;
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
    border: 1px solid transparent;
}

.tag:hover, .tag.active {
    background: var(--accent-gradient);
    color: white;
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-1px);
}

/* 小说区块 */
.novel-section {
    margin: var(--space-6) var(--space-8);
    animation: fadeIn 0.5s ease;
}

.novel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--card-border);
}

.novel-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.novel-count {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-4);
    transition: var(--transition-base);
}

.characters-grid.collapsed {
    display: none;
}

/* 角色卡片 - 现代玻璃拟态效果 */
.character-card {
    @extend .glass-card;
    padding: 0;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-base);
    animation: fadeIn 0.5s ease;
}

.character-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.3);
}

.card-avatar {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition-base);
}

.character-card:hover .card-avatar {
    transform: scale(1.05);
}

.card-avatar.placeholder {
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4.5rem;
    color: white;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.character-card-content {
    padding: var(--space-4);
}

.char-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--space-1);
}

.char-role {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.char-tags {
    margin-top: var(--space-3);
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

.char-tags .tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
}

.card-actions {
    padding: 0 var(--space-4) var(--space-4);
    display: flex;
    justify-content: flex-end;
}

.edit-btn {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    background: var(--accent-alpha);
    color: var(--accent);
    border: none;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.edit-btn:hover {
    background: var(--accent-gradient);
    color: white;
}

/* 模态框 - 玻璃拟态 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    animation: fadeIn 0.3s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-content {
    @extend .glass-card;
    margin: 5% auto;
    padding: var(--space-6);
    width: 90%;
    max-width: 650px;
    max-height: 85vh;
    overflow-y: auto;
    animation: slideIn 0.4s ease;
}

.modal-close {
    position: absolute;
    right: var(--space-4);
    top: var(--space-4);
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition-fast);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* 详情页内容 */
.detail-header {
    display: flex;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
    align-items: center;
}

.detail-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--card-bg);
    box-shadow: var(--shadow-md);
}

.detail-content h3 {
    margin: var(--space-5) 0 var(--space-2);
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.detail-content p {
    padding-left: var(--space-4);
    border-left: 2px solid var(--accent-alpha);
    margin-left: var(--space-2);
}

.detail-meta {
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--card-border);
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-8);
    color: var(--text-muted);
    animation: fadeIn 0.6s ease;
}

.empty-state h2 {
    margin-bottom: var(--space-3);
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.empty-state p {
    font-size: 1.1rem;
    margin-bottom: var(--space-6);
}

/* 编辑器样式 */
.editor-header {
    @extend .glass-card;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-8);
    margin: var(--space-4);
    animation: slideIn 0.4s ease;
    position: sticky;
    top: var(--space-4);
    z-index: 100;
}

.editor-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.editor-form {
    max-width: 1400px;
    margin: var(--space-6) auto;
    padding: 0 var(--space-8);
}

.editor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-5);
}

.form-section {
    @extend .glass-card;
    padding: var(--space-5);
    animation: fadeIn 0.5s ease;
}

.form-section.full {
    grid-column: 1 / -1;
}

.form-section h3 {
    margin-bottom: var(--space-4);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-group .label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    background: var(--card-bg);
    color: var(--text);
    transition: var(--transition-base);
    font-size: 0.95rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-alpha);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.form-actions {
    margin-top: var(--space-6);
    text-align: center;
}

.btn-large {
    font-size: 1.1rem;
    padding: var(--space-4) var(--space-8);
    min-width: 200px;
}

/* 颜色选择器 */
.color-picker-group {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.color-picker-group input[type="color"] {
    width: 60px;
    height: 42px;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.color-picker-group input[type="color"]:hover {
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-header, .editor-header {
        flex-direction: column;
        gap: var(--space-3);
        margin: var(--space-2);
        padding: var(--space-4);
    }
    
    .filter-bar {
        margin: var(--space-3) var(--space-4);
        padding: var(--space-4);
        flex-direction: column;
        align-items: stretch;
    }
    
    .characters-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .novel-section {
        margin: var(--space-4) var(--space-4);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .editor-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .detail-header {
        flex-direction: column;
        text-align: center;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 闪存消息 - 玻璃拟态 */
.flash-success, .flash-error {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-weight: 500;
    animation: slideIn 0.4s ease;
    z-index: 2000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}

.flash-success {
    background: rgba(16, 185, 129, 0.9);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.flash-error {
    background: rgba(239, 68, 68, 0.9);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* 登录/注册页 */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
}

.auth-box {
    @extend .glass-card;
    padding: var(--space-8);
    width: 100%;
    max-width: 400px;
    animation: fadeIn 0.6s ease;
    text-align: center;
}

.auth-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--space-2);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-tabs {
    display: flex;
    margin: var(--space-6) 0;
    border-bottom: 2px solid var(--card-border);
}

.auth-tab {
    flex: 1;
    padding: var(--space-3);
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.auth-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.form-group input[type="text"],
.form-group input[type="password"] {
    font-size: 1rem;
}

.auth-footer {
    margin-top: var(--space-6);
    font-size: 0.85rem;
    color: var(--text-muted);
}