/**
 * 下雪电竞 - 后台布局样式
 */

/* ==================== 主布局 ==================== */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* ==================== 侧边栏 ==================== */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
    overflow: hidden;
}

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

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo i {
    font-size: 28px;
    color: #00d4ff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    animation: snowflakeGlow 2s ease-in-out infinite alternate;
}

@keyframes snowflakeGlow {
    from {
        text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
        transform: rotate(0deg);
    }
    to {
        text-shadow: 0 0 30px rgba(0, 212, 255, 0.8);
        transform: rotate(180deg);
    }
}

.logo span {
    font-size: 20px;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #fff 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.sidebar.collapsed .logo span {
    display: none;
}

.sidebar-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition-fast);
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* 用户信息 */
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar.collapsed .user-info {
    justify-content: center;
    padding: var(--space-md);
}

.user-avatar {
    position: relative;
    flex-shrink: 0;
}

.user-avatar img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.sidebar.collapsed .user-avatar img {
    width: 40px;
    height: 40px;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.sidebar.collapsed .user-details {
    display: none;
}

.user-details h4 {
    font-size: 14px;
    font-weight: 600;
    color: white;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-details .role-badge {
    font-size: 11px;
    padding: 2px 8px;
}

/* 导航菜单 */
.sidebar-nav {
    flex: 1;
    padding: var(--space-md);
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-section {
    margin-bottom: var(--space-lg);
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-xs);
}

.sidebar.collapsed .nav-section-title {
    text-align: center;
    padding: var(--space-sm) 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px var(--space-md);
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius);
    transition: var(--transition-fast);
    text-decoration: none;
    margin-bottom: 4px;
    white-space: nowrap;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.nav-item i {
    width: 20px;
    font-size: 16px;
    text-align: center;
    flex-shrink: 0;
}

.nav-item span {
    flex: 1;
}

.sidebar.collapsed .nav-item span {
    display: none;
}

.nav-badge {
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    color: white;
    background: var(--danger);
    border-radius: var(--radius-full);
}

.sidebar.collapsed .nav-badge {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 底部 */
.sidebar-footer {
    padding: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px var(--space-md);
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition-fast);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.sidebar.collapsed .theme-toggle {
    justify-content: center;
}

.sidebar.collapsed .theme-toggle span {
    display: none;
}

/* ==================== 主内容区 ==================== */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.sidebar.collapsed + .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* 顶部导航 */
.top-header {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-light);
    backdrop-filter: blur(10px);
    z-index: 50;
}

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

.mobile-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--text-tertiary);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb .separator {
    color: var(--text-tertiary);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: 500;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-btn {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.action-btn .badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    font-size: 10px;
    font-weight: 600;
    color: white;
    background: var(--danger);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 用户下拉菜单 */
.user-dropdown {
    position: relative;
}

.user-dropdown .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px 6px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-fast);
}

.user-dropdown .dropdown-toggle:hover {
    border-color: var(--primary);
}

.user-dropdown .dropdown-toggle img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-dropdown .dropdown-toggle span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.user-dropdown .dropdown-toggle i {
    font-size: 12px;
    color: var(--text-tertiary);
    transition: var(--transition-fast);
}

.user-dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.user-dropdown .dropdown-menu {
    right: 0;
    min-width: 200px;
}

/* 页面内容 */
.page-content {
    flex: 1;
    padding: var(--space-xl);
}

/* 页面标题 */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

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

.page-actions {
    display: flex;
    gap: var(--space-sm);
}

/* ==================== 登录/注册页面 ==================== */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    animation: authBgMove 20s ease-in-out infinite;
}

@keyframes authBgMove {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-5%, -5%); }
}

.auth-container {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.auth-header {
    text-align: center;
    padding: var(--space-2xl) var(--space-xl) var(--space-lg);
    background: var(--gradient-primary);
    color: white;
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: var(--space-md);
}

.auth-logo i {
    font-size: 40px;
    animation: snowflakeGlow 2s ease-in-out infinite alternate;
}

.auth-logo span {
    font-size: 28px;
    font-weight: 700;
}

.auth-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
}

.auth-subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.auth-body {
    padding: var(--space-xl);
}

.auth-footer {
    text-align: center;
    padding: 0 var(--space-xl) var(--space-xl);
}

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

.auth-footer a {
    font-weight: 500;
}

/* ==================== 欢迎页面 ==================== */

.home-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0d1117 0%, #1a1f2e 50%, #0d1117 100%);
    position: relative;
    overflow: hidden;
}

.snow-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.snowflake {
    position: absolute;
    top: -10px;
    color: rgba(255, 255, 255, 0.8);
    animation: snowfall linear infinite;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

@keyframes snowfall {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0.3;
    }
}

.home-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-xl);
    z-index: 1;
}

.home-logo {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: var(--space-xl);
}

.home-logo i {
    font-size: 64px;
    color: #00d4ff;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
    animation: snowflakeGlow 2s ease-in-out infinite alternate;
}

.home-logo span {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home-tagline {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
}

.home-buttons {
    display: flex;
    gap: var(--space-md);
}

.home-buttons .btn {
    padding: 16px 40px;
    font-size: 16px;
}

.home-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
    max-width: 1000px;
}

.home-feature {
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.home-feature:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.home-feature i {
    font-size: 36px;
    color: #00d4ff;
    margin-bottom: var(--space-md);
}

.home-feature h3 {
    font-size: 16px;
    color: white;
    margin-bottom: 8px;
}

.home-feature p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* ==================== 待审核页面 ==================== */

.pending-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: var(--space-xl);
}

.pending-card {
    max-width: 500px;
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.pending-icon {
    font-size: 80px;
    color: var(--warning);
    margin-bottom: var(--space-lg);
}

.pending-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.pending-message {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

/* ==================== 404页面 ==================== */

.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: var(--space-xl);
}

.error-content {
    text-align: center;
}

.error-code {
    font-size: 120px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-lg);
}

.error-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.error-message {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* ==================== 陪玩个人主页 ==================== */

.player-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
    position: relative;
    overflow: hidden;
}

.player-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(102, 126, 234, 0.6);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

.player-hero {
    position: relative;
    padding: 60px var(--space-xl);
    text-align: center;
    z-index: 1;
}

.player-avatar-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.player-avatar-ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #f5576c, #667eea);
    background-size: 300% 300%;
    animation: gradientRotate 3s linear infinite;
}

@keyframes gradientRotate {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.player-avatar {
    position: relative;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #161b22;
}

.player-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.player-level-badge {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 600;
    color: white;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    border: 2px solid #161b22;
}

.player-name {
    font-size: 32px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
}

.player-id {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-lg);
}

.player-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
}

.player-stat {
    text-align: center;
}

.player-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: white;
}

.player-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.player-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-xl) var(--space-2xl);
    z-index: 1;
}

.player-section {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
}

.player-section-title {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: 10px;
}

.player-section-title i {
    color: #00d4ff;
}

.player-intro {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.player-games {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.player-game-tag {
    padding: 8px 16px;
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-full);
    color: #00d4ff;
    font-size: 13px;
}

/* ==================== 响应式 ==================== */

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .home-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-content {
        padding: var(--space-md);
    }
    
    .top-header {
        padding: var(--space-md);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .page-actions {
        width: 100%;
    }
    
    .page-actions .btn {
        flex: 1;
    }
    
    .home-features {
        grid-template-columns: 1fr;
    }
    
    .home-logo span {
        font-size: 32px;
    }
    
    .home-logo i {
        font-size: 48px;
    }
    
    .home-tagline {
        font-size: 18px;
    }
    
    .home-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .home-buttons .btn {
        width: 100%;
    }
    
    .player-stats {
        gap: var(--space-lg);
    }
    
    .player-stat-value {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .auth-container {
        border-radius: var(--radius-lg);
    }
    
    .auth-header {
        padding: var(--space-xl) var(--space-lg) var(--space-md);
    }
    
    .auth-logo i {
        font-size: 32px;
    }
    
    .auth-logo span {
        font-size: 22px;
    }
    
    .auth-body,
    .auth-footer {
        padding: var(--space-lg);
    }
    
    .user-dropdown .dropdown-toggle span {
        display: none;
    }
    
    .breadcrumb {
        display: none;
    }
}

/* ==================== 暗色主题悬浮效果 ==================== */

[data-theme="dark"] .sidebar {
    background: linear-gradient(180deg, #0d1117 0%, #010409 100%);
}

[data-theme="dark"] .auth-page::before {
    background: radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
}