/* ========================================
   火影忍者攻略网 - 全局样式
   基于设计图视觉风格重构
   ======================================== */

/* CSS 变量定义 - 火影主题色系 */
:root {
    /* 主色调 - 火影红橙系 */
    --naruto-primary: #FF4500;
    --naruto-secondary: #FF6B35;
    --naruto-accent: #FFD700;
    --naruto-red: #8B0000;
    
    /* 背景色 */
    --bg-primary: #1a0a0a;
    --bg-secondary: #2d1818;
    --bg-gradient-start: #4a0000;
    --bg-gradient-end: #8B0000;
    
    /* 边框与装饰 */
    --border-glow: #FF4500;
    --border-gold: #DAA520;
    
    /* 文字颜色 */
    --text-primary: #FFFFFF;
    --text-secondary: #FFD700;
    /* 提高对比度：原 #B8B8B8 (4.2:1) 改为 #C8C8C8 (5.2:1) 符合 WCAG AA 标准 */
    --text-muted: #C8C8C8;
    
    /* 功能色 */
    --fire-element: #FF4444;
    --wind-element: #44FF88;
    --lightning-element: #FFDD44;
    --earth-element: #D4A574;
    --water-element: #44AAFF;
    
    /* 保留兼容性变量 */
    --primary-color: #FF4500;
    --secondary-color: #FF6B35;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #1abc9c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --naruto-orange: #FF4500;
    --naruto-blue: #3498db;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 
 * Font Awesome 图标样式已移至 icon-fixes.css
 * 该文件包含更全面的图标清晰度优化
 */

/* 页面背景 - 深红渐变 */
body {
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #1a0a0a 0%, #2d1818 50%, #1a0a0a 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* 背景装饰效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 69, 0, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ========================================
   导航栏样式
   ======================================== */
.navbar {
    background: linear-gradient(180deg, #0d0d0d 0%, #1a1a1a 100%) !important;
    border-bottom: 2px solid var(--naruto-primary);
    box-shadow: 0 4px 20px rgba(255, 69, 0, 0.3);
    padding: 0.75rem 0;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--naruto-secondary) !important;
    text-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--naruto-secondary) !important;
    text-shadow: 0 0 8px rgba(255, 107, 53, 0.6);
}

/* 导航栏图标对齐 */
.navbar-dark .navbar-nav .nav-link i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25em;
    height: 1.25em;
}

/* 下拉菜单图标对齐 */
.dropdown-item i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25em;
    height: 1.25em;
}

/* 下拉菜单 */
.dropdown-menu {
    background: linear-gradient(180deg, #2d1818 0%, #1a0a0a 100%);
    border: 1px solid var(--naruto-primary);
    box-shadow: 0 4px 20px rgba(255, 69, 0, 0.3);
}

.dropdown-item {
    color: var(--text-primary);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.dropdown-item:hover {
    background: rgba(255, 69, 0, 0.2);
    color: var(--naruto-secondary);
}

/* 下拉菜单在导航栏中的对齐 */
.nav-item.dropdown .dropdown-menu {
    margin-top: 0;
    border-top: none;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

/* 下拉切换按钮对齐 */
.dropdown-toggle {
    display: flex !important;
    align-items: center;
}

.dropdown-toggle::after {
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* 搜索框 */
.search-form {
    width: 280px;
    position: relative;
}

.search-form .form-control {
    border-radius: 20px;
    padding-right: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.search-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-form .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--naruto-primary);
    box-shadow: 0 0 10px rgba(255, 69, 0, 0.3);
}

.search-form .btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: var(--naruto-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.5rem;
}

/* ========================================
   轮播图区域
   ======================================== */
.hero-section {
    position: relative;
}

.carousel-item {
    height: 500px;
    background: linear-gradient(135deg, #4a0000 0%, #8B0000 50%, #FF4500 100%) !important;
    position: relative;
    overflow: hidden;
}

/* 火焰装饰效果 */
.carousel-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 100%, rgba(255, 69, 0, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 100%, rgba(255, 107, 53, 0.3) 0%, transparent 50%);
}

.carousel-item img {
    object-fit: cover;
    height: 100%;
    opacity: 0.7;
}

/* 背景图片填充样式 */
.carousel-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

/* 内容层 */
.carousel-content {
    position: relative;
    z-index: 1;
    height: 100%;
}

/* 背景图片上的遮罩层，确保文字可读性 */
.carousel-item:has(.carousel-bg-image)::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.5) 100%);
    z-index: 0;
}

.carousel-caption {
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
    padding: 3rem 2rem;
    bottom: 0;
    left: 0;
    right: 0;
}

.carousel-item h1 {
    color: #FFFFFF;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 69, 0, 0.5);
    font-weight: 800;
    font-size: 2.5rem;
}

.carousel-item .lead {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 轮播控制按钮 */
.carousel-control-prev,
.carousel-control-next {
    width: 50px;
    height: 50px;
    background: rgba(255, 69, 0, 0.3);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    background: rgba(255, 69, 0, 0.6);
}

/* ========================================
   按钮样式
   ======================================== */
.btn-naruto {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
    transition: all 0.3s;
}

.btn-naruto:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 69, 0, 0.6);
    color: white;
}

.btn-primary {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.3);
    transition: all 0.3s;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #E63E00 0%, #E55A2B 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 69, 0, 0.5);
}

.btn-outline-primary {
    color: var(--naruto-secondary);
    border-color: var(--naruto-secondary);
    background: transparent;
    transition: all 0.3s;
}

.btn-outline-primary:hover {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    border-color: transparent;
    color: white;
}

.btn-outline-light:hover {
    background: var(--naruto-primary);
    border-color: var(--naruto-primary);
}

/* ========================================
   卡片组件样式
   ======================================== */
.card {
    background: linear-gradient(145deg, #2d1818 0%, #1a0a0a 100%);
    border: 1px solid rgba(255, 69, 0, 0.3);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
    color: var(--text-primary);
}

.card:hover {
    border-color: var(--naruto-primary);
    box-shadow: 0 0 20px rgba(255, 69, 0, 0.3), 0 8px 25px rgba(0, 0, 0, 0.3);
    transform: translateY(-5px);
}

.card-img-wrapper {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    border-bottom: 2px solid var(--naruto-primary);
}

.card-img-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.card-body {
    padding: 1.25rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-primary);
}

.card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.card-title a:hover {
    color: var(--naruto-secondary);
}

.card-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 69, 0, 0.2);
    border-radius: 0 0 12px 12px;
    padding: 1.25rem;
    margin-top: 1rem;
}

.card-footer .stat-item {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.card-footer .tag-cloud {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.card-footer .tag-item {
    background: rgba(255, 69, 0, 0.15);
    color: var(--naruto-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 69, 0, 0.3);
    transition: all 0.3s;
}

.card-footer .tag-item:hover {
    background: rgba(255, 69, 0, 0.3);
    border-color: var(--naruto-primary);
}

/* ========================================
   区块标题样式
   ======================================== */
.section-title {
    position: relative;
    padding-left: 20px;
    margin-bottom: 1.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 80%;
    background: linear-gradient(to bottom, var(--naruto-primary), var(--naruto-accent));
    border-radius: 3px;
    box-shadow: 0 0 10px rgba(255, 69, 0, 0.5);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 69, 0, 0.2);
}

.section-header .section-title {
    margin-bottom: 0;
}

/* ========================================
   侧边栏样式
   ======================================== */
.sidebar {
    background: linear-gradient(145deg, #2d1818 0%, #1a0a0a 100%);
    border: 1px solid rgba(255, 69, 0, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
}

.sidebar-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--naruto-primary);
    color: var(--naruto-secondary);
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(255, 69, 0, 0.15);
    color: var(--naruto-secondary);
}

.sidebar-menu i {
    width: 20px;
    margin-right: 0.75rem;
}

/* ========================================
   列表组样式
   ======================================== */
.list-group-item {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    transition: all 0.3s;
    padding: 1rem;
}

.list-group-item:hover {
    background: rgba(255, 69, 0, 0.15);
    transform: translateX(5px);
}

.list-group-item-action {
    color: var(--text-primary);
}

.list-group-item-action:hover {
    background: rgba(255, 69, 0, 0.15);
    color: var(--naruto-secondary);
}

/* ========================================
   热门排名样式
   ======================================== */
.hot-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    font-weight: bold;
    font-size: 0.85rem;
}

.hot-rank.top-1 {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #000;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.hot-rank.top-2 {
    background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
    color: #000;
}

.hot-rank.top-3 {
    background: linear-gradient(135deg, #CD7F32, #B87333);
    color: #fff;
}

.hot-rank.default {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

/* ========================================
   稀有度徽章样式
   ======================================== */
.badge-custom {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    color: white;
    padding: 0.35em 0.65em;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-rarity {
    padding: 0.35em 0.7em;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.badge-rarity.SSR {
    background: linear-gradient(135deg, #FF0000, #FF4500);
    box-shadow: 0 0 10px rgba(255, 69, 0, 0.4);
}

.badge-rarity.SR {
    background: linear-gradient(135deg, #9B59B6, #8E44AD);
    box-shadow: 0 0 10px rgba(155, 89, 182, 0.4);
}

.badge-rarity.S {
    background: linear-gradient(135deg, #F39C12, #E67E22);
    box-shadow: 0 0 10px rgba(243, 156, 18, 0.4);
}

.badge-rarity.A {
    background: linear-gradient(135deg, #3498DB, #2980B9);
}

.badge-rarity.B {
    background: linear-gradient(135deg, #2ECC71, #27AE60);
}

.badge-rarity.R,
.badge-rarity.C {
    background: linear-gradient(135deg, #95A5A6, #7F8C8D);
}

/* ========================================
   属性图标样式
   ======================================== */
.element-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: bold;
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.element-icon.火 {
    background: linear-gradient(135deg, #FF4444, #CC0000);
    box-shadow: 0 0 10px rgba(255, 68, 68, 0.4);
}

.element-icon.风 {
    background: linear-gradient(135deg, #44FF88, #00CC66);
    box-shadow: 0 0 10px rgba(68, 255, 136, 0.4);
}

.element-icon.雷 {
    background: linear-gradient(135deg, #FFDD44, #FFAA00);
    box-shadow: 0 0 10px rgba(255, 221, 68, 0.4);
}

.element-icon.土 {
    background: linear-gradient(135deg, #D4A574, #A0522D);
}

.element-icon.水 {
    background: linear-gradient(135deg, #44AAFF, #0088CC);
    box-shadow: 0 0 10px rgba(68, 170, 255, 0.4);
}

.element-icon.阳 {
    background: linear-gradient(135deg, #FD79A8, #E84393);
}

.element-icon.阴 {
    background: linear-gradient(135deg, #A29BFE, #6C5CE7);
}

/* ========================================
   忍者卡片样式
   ======================================== */
.ninja-card {
    background: linear-gradient(145deg, #2d1818 0%, #1a0a0a 100%);
    border: 2px solid transparent;
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.ninja-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #DAA520, #FFD700, #DAA520);
    border-radius: 16px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
}

.ninja-card:hover::before {
    opacity: 1;
}

.ninja-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.2);
}

.ninja-card img {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 3px solid var(--naruto-primary);
    object-fit: cover;
    transition: all 0.3s;
}

.ninja-card:hover img {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 69, 0, 0.4);
}

.ninja-card h5 {
    color: var(--text-primary);
    margin-top: 12px;
    font-weight: 600;
}

.ninja-card small {
    color: var(--text-muted);
}

/* ========================================
   统计信息样式
   ======================================== */
.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.stat-item i {
    width: 16px;
    text-align: center;
    color: var(--naruto-secondary);
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--naruto-primary);
}

/* ========================================
   分页样式
   ======================================== */
.pagination {
    gap: 0.5rem;
}

.page-link {
    border-radius: 8px;
    border: 1px solid rgba(255, 69, 0, 0.3);
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.page-item.active .page-link {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    border-color: transparent;
    box-shadow: 0 0 10px rgba(255, 69, 0, 0.4);
}

.page-link:hover {
    background: rgba(255, 69, 0, 0.2);
    color: var(--naruto-secondary);
    border-color: var(--naruto-primary);
}

/* ========================================
   页脚样式
   ======================================== */
footer {
    background: linear-gradient(180deg, #0d0d0d 0%, #000000 100%) !important;
    border-top: 2px solid var(--naruto-primary);
    color: var(--text-muted);
    margin-top: auto;
}

footer h5, footer h6 {
    color: var(--naruto-secondary);
    font-weight: 600;
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: var(--naruto-secondary);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 69, 0, 0.1);
    color: var(--text-muted);
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--naruto-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(255, 69, 0, 0.4);
}

/* ========================================
   表单样式
   ======================================== */
.form-control,
.form-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 69, 0, 0.3);
    color: var(--text-primary);
    border-radius: 8px;
}

.form-control:focus,
.form-select:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--naruto-primary);
    box-shadow: 0 0 0 0.2rem rgba(255, 69, 0, 0.25);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-primary);
}

/* ========================================
   提示框样式
   ======================================== */
.alert {
    border-radius: 10px;
    border: none;
}

.alert-danger {
    background: rgba(231, 76, 60, 0.15);
    color: #ff6b6b;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.alert-success {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
    border: 1px solid rgba(46, 204, 113, 0.3);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.15);
    color: #f39c12;
    border: 1px solid rgba(243, 156, 18, 0.3);
}

.alert-info {
    background: rgba(26, 188, 156, 0.15);
    color: #1abc9c;
    border: 1px solid rgba(26, 188, 156, 0.3);
}

/* ========================================
   模态框样式
   ======================================== */
.modal-content {
    background: linear-gradient(145deg, #2d1818 0%, #1a0a0a 100%);
    border: 1px solid rgba(255, 69, 0, 0.3);
    border-radius: 15px;
    color: var(--text-primary);
}

.modal-header {
    border-bottom: 1px solid rgba(255, 69, 0, 0.2);
}

.modal-footer {
    border-top: 1px solid rgba(255, 69, 0, 0.2);
}

.modal-title {
    color: var(--naruto-secondary);
}

/* ========================================
   面包屑样式
   ======================================== */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 1.5rem;
}

.breadcrumb-item a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb-item a:hover {
    color: var(--naruto-secondary);
}

.breadcrumb-item.active {
    color: var(--naruto-secondary);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-muted);
}

/* ========================================
   标签云样式
   ======================================== */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-item {
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s;
    border: 1px solid rgba(255, 69, 0, 0.2);
}

.tag-item:hover {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    color: white;
    border-color: transparent;
}

/* ========================================
   友情链接样式
   ======================================== */
.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.friend-links a {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s;
    border: 1px solid rgba(255, 69, 0, 0.2);
}

.friend-links a:hover {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    color: white;
    border-color: transparent;
}

/* ========================================
   返回顶部按钮
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
    border: none;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 69, 0, 0.6);
    color: white;
}

/* ========================================
   加载动画
   ======================================== */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 69, 0, 0.2);
    border-top-color: var(--naruto-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   内容卡片
   ======================================== */
.content-card {
    background: linear-gradient(145deg, #2d1818 0%, #1a0a0a 100%);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid rgba(255, 69, 0, 0.2);
    margin-bottom: 1.5rem;
}

/* ========================================
   空状态
   ======================================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
    color: var(--naruto-secondary);
}

.empty-state h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

/* ========================================
   响应式设计
   ======================================== */

/* 大屏幕但空间有限 (≤1600px) - 隐藏导航文字只显示图标 */
@media (max-width: 1600px) and (min-width: 993px) {
    .navbar {
        padding: 0.5rem 0;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .navbar-brand img {
        max-height: 32px;
    }
    
    .navbar-dark .navbar-nav .nav-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.9rem;
    }
    
    .nav-text {
        display: none;
    }
    
    .navbar-dark .navbar-nav .nav-link i {
        margin-right: 0 !important;
        width: 1.5em;
        height: 1.5em;
        font-size: 1.1rem;
    }
    
    .dropdown-toggle::after {
        margin-left: 0.25rem;
    }
    
    .search-form {
        width: 200px;
        margin: 0 0.5rem;
    }
    
    .search-form input {
        font-size: 0.85rem;
    }
}

/* 中等屏幕 (≤1400px) - 进一步压缩 */
@media (max-width: 1400px) and (min-width: 993px) {
    .navbar-brand .site-name,
    .navbar-brand i.fa-fire {
        display: none;
    }
    
    .search-form {
        width: 160px;
    }
}

/* 较小大屏幕 (≤1200px) - 更激进的压缩 */
@media (max-width: 1200px) and (min-width: 993px) {
    .navbar .container {
        max-width: 100%;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .navbar-dark .navbar-nav .nav-link {
        padding: 0.3rem 0.5rem;
    }
    
    .search-form {
        width: 140px;
    }
}

/* 超大屏幕导航栏容器优化 */
@media (min-width: 993px) {
    .navbar-expand-lg .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
        flex-wrap: nowrap;
    }
    
    .navbar-expand-lg .navbar-nav {
        flex-direction: row;
        flex-wrap: nowrap;
    }
    
    .navbar-expand-lg .navbar-nav .nav-link {
        padding-right: 0.4rem;
        padding-left: 0.4rem;
    }
}

/* 1475px 左右特殊优化 */
@media (max-width: 1500px) and (min-width: 1400px) {
    .search-form {
        width: 120px;
    }
    
    .search-form input::placeholder {
        font-size: 0.75rem;
    }
}

/* 平板设备 (768px - 992px) */
@media (max-width: 992px) and (min-width: 769px) {
    .navbar {
        padding: 0.5rem 0;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .navbar-brand img {
        max-height: 30px;
    }
    
    .navbar-dark .navbar-nav .nav-link {
        padding: 0.3rem 0.5rem;
        font-size: 0.85rem;
    }
    
    .navbar-dark .navbar-nav .nav-link i {
        width: 1em;
        height: 1em;
    }
    
    .nav-text {
        font-size: 0.9em;
    }
    
    .search-form {
        width: auto;
        margin: 0 0.25rem;
    }
    
    .search-form input {
        width: 120px;
        font-size: 0.85rem;
        padding: 0.35rem 0.5rem;
    }
    
    .search-form button {
        padding: 0.35rem 0.5rem;
    }
}

/* 手机设备 (≤768px) */
@media (max-width: 768px) {
    /* 导航栏 */
    .navbar-collapse {
        background: rgba(13, 13, 13, 0.98);
        padding: 1rem;
        border-radius: 0 0 12px 12px;
        max-height: 80vh;
        overflow-y: auto;
    }
    
    .navbar-dark .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid rgba(255, 69, 0, 0.1);
    }
    
    .navbar-dark .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
    
    .search-form {
        width: 100%;
        margin: 0.5rem 0;
    }
    
    .search-form input {
        flex: 1;
    }
    
    .navbar-nav.ms-3 {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 69, 0, 0.2);
    }
    
    .nav-text {
        display: inline;
    }
}

/* 超小屏幕 (≤576px) */
@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    .navbar-brand img {
        max-height: 25px;
    }
    
    .navbar-brand i {
        display: none;
    }
    
    .navbar-dark .navbar-nav .nav-link {
        padding: 0.75rem 0.5rem;
        font-size: 0.9rem;
    }
    
    .navbar-dark .navbar-nav .nav-link i {
        width: 1.25em;
        margin-right: 0.25rem;
    }
    
    .search-form {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .search-form input {
        width: 100%;
    }
    
    .search-form button {
        width: 100%;
    }
}
    
    /* 轮播图 */
    .carousel-item {
        height: 350px;
    }
    
    .carousel-item h1 {
        font-size: 1.75rem;
    }
    
    /* 卡片 */
    .card-img-wrapper {
        padding-top: 75%;
    }
    
    /* 忍者卡片 */
    .ninja-card {
        padding: 15px;
    }
    
    .ninja-card img {
        width: 70px;
        height: 70px;
    }
    
    /* 区块标题 */
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    /* 侧边栏 */
    .sidebar {
        margin-top: 2rem;
    }
    
    /* 内容卡片 */
    .content-card {
        padding: 1.5rem;
    }
    
    /* 表单 */
    .form-control, .form-select {
        font-size: 16px; /* 防止iOS缩放 */
    }
    
    /* 按钮组 */
    .d-flex.gap-3 {
        flex-wrap: wrap;
        gap: 0.5rem !important;
    }
    
    /* 表格 */
    .table-responsive {
        border: 1px solid rgba(255, 69, 0, 0.2);
        border-radius: 8px;
    }
    
    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .carousel-item {
        height: 300px;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .carousel-item h1 {
        font-size: 1.5rem;
    }
    
    .ninja-card {
        padding: 10px;
    }
    
    .ninja-card img {
        width: 60px;
        height: 60px;
    }
    
    .badge-rarity {
        font-size: 0.65rem;
        padding: 0.25em 0.5em;
    }
    
    .element-icon {
        width: 24px;
        height: 24px;
        font-size: 0.7rem;
    }
    
    .content-card {
        padding: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem 1rem !important;
    }
    
    .stat-card i {
        font-size: 2rem !important;
    }
    
    .stat-card h3 {
        font-size: 1.5rem;
    }
}

/* ========================================
   表格样式
   ======================================== */
.table {
    color: var(--text-primary);
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: rgba(255, 69, 0, 0.2);
}

.table thead th {
    background: rgba(255, 69, 0, 0.1);
    color: var(--naruto-secondary);
    border-bottom: 2px solid var(--naruto-primary);
    font-weight: 600;
}

.table tbody tr:hover {
    background: rgba(255, 69, 0, 0.05);
}

/* ========================================
   进度条样式
   ======================================== */
.progress {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.progress-bar {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    border-radius: 10px;
}

/* ========================================
   手风琴/折叠面板样式
   ======================================== */
.accordion-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 69, 0, 0.2);
    margin-bottom: 0.5rem;
    border-radius: 8px;
    overflow: hidden;
}

.accordion-button {
    background: rgba(255, 69, 0, 0.1);
    color: var(--text-primary);
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background: rgba(255, 69, 0, 0.2);
    color: var(--naruto-secondary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(255, 69, 0, 0.3);
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-body {
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.2);
}

/* ========================================
   导航标签样式
   ======================================== */
.nav-pills .nav-link {
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 69, 0, 0.2);
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.nav-pills .nav-link:hover {
    background: rgba(255, 69, 0, 0.1);
    color: var(--naruto-secondary);
}

.nav-pills .nav-link.active {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%);
    border-color: transparent;
}

/* ========================================
   工具类
   ======================================== */
.text-naruto {
    color: var(--naruto-secondary) !important;
}

.bg-naruto {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%) !important;
}

.border-naruto {
    border-color: var(--naruto-primary) !important;
}

.shadow-naruto {
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.3) !important;
}

/* ========================================
   徽章样式覆盖
   ======================================== */
.badge.bg-primary {
    background: linear-gradient(135deg, #FF4500 0%, #FF6B35 100%) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%) !important;
    color: #fff !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%) !important;
}

.badge.bg-secondary {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%) !important;
    color: #fff !important;
}

/* ========================================
   按钮样式覆盖
   ======================================== */
.btn-outline-secondary {
    color: var(--text-muted);
    border-color: rgba(255, 69, 0, 0.3);
}

.btn-outline-secondary:hover {
    background: rgba(255, 69, 0, 0.1);
    border-color: var(--naruto-primary);
    color: var(--naruto-secondary);
}

/* ========================================
   统计卡片样式
   ======================================== */
.stat-card {
    background: linear-gradient(145deg, #2d1818 0%, #1a0a0a 100%);
    border: 1px solid rgba(255, 69, 0, 0.3);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 69, 0, 0.2);
    border-color: var(--naruto-primary);
}

/* ========================================
   分类卡片样式
   ======================================== */
.category-card {
    background: linear-gradient(145deg, #2d1818 0%, #1a0a0a 100%);
    border: 1px solid rgba(255, 69, 0, 0.3);
    transition: all 0.3s;
}

.category-card:hover {
    transform: translateX(5px);
    border-color: var(--naruto-primary);
    box-shadow: 0 5px 20px rgba(255, 69, 0, 0.2);
}

/* ========================================
   活动卡片样式
   ======================================== */
.activity-card {
    background: linear-gradient(145deg, #2d1818 0%, #1a0a0a 100%);
    border: 1px solid rgba(255, 69, 0, 0.3);
    transition: all 0.3s;
}

.activity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 69, 0, 0.2);
    border-color: var(--naruto-primary);
}

/* ========================================
   输入框组样式
   ======================================== */
.input-group-text {
    background: rgba(255, 69, 0, 0.1);
    border-color: rgba(255, 69, 0, 0.3);
    color: var(--naruto-secondary);
}

/* ========================================
   复选框样式
   ======================================== */
.form-check-input {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 69, 0, 0.3);
}

.form-check-input:checked {
    background-color: var(--naruto-primary);
    border-color: var(--naruto-primary);
}

.form-check-label {
    color: var(--text-muted);
}

/* ========================================
   模态框关闭按钮
   ======================================== */
.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* ========================================
   轮播图最小高度
   ======================================== */
.min-vh-400 {
    min-height: 400px;
}

@media (max-width: 768px) {
    .min-vh-400 {
        min-height: 300px;
    }
}

@media (max-width: 576px) {
    .min-vh-400 {
        min-height: 250px;
    }
}