/* ========================================
   MC服务器网站 - 全局样式
   ======================================== */

:root {
    --primary: #4CAF50;
    --primary-dark: #388E3C;
    --primary-light: #81C784;
    --secondary: #2196F3;
    --danger: #f44336;
    --warning: #FF9800;
    --success: #4CAF50;
    --dark: #1a1a2e;
    --dark-light: #16213e;
    --gray: #666;
    --gray-light: #999;
    --gray-bg: #f5f5f5;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: var(--gray-bg);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    background: var(--dark);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-size: 1.3rem;
    font-weight: bold;
}

.logo i {
    color: var(--primary);
    font-size: 1.5rem;
}

.logo:hover {
    color: var(--primary-light);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 5px;
    align-items: center;
}

.nav-links a {
    color: rgba(255,255,255,0.8);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.nav-links .btn {
    margin-left: 5px;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}

.avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    padding: 8px 0;
    display: none;
    list-style: none;
    margin-top: 5px;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    color: #333;
    display: block;
    padding: 10px 20px;
    font-size: 0.9rem;
}

.dropdown-menu a:hover {
    background: var(--gray-bg);
    color: var(--primary);
}

/* ========================================
   按钮
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(76,175,80,0.3);
}

.btn-secondary {
    background: var(--gray-light);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--gray);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

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

.btn-danger:hover {
    background: #d32f2f;
    color: var(--white);
}

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

.btn-success:hover {
    background: var(--primary-dark);
    color: var(--white);
}

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

.btn-qq {
    background: #12B7F5;
    color: var(--white);
}

.btn-qq:hover {
    background: #0ea5e0;
    color: var(--white);
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}

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

/* ========================================
   Hero区域
   ======================================== */
.hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    max-width: 700px;
    padding: 40px 20px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   区块
   ======================================== */
.section {
    padding: 80px 0;
}

.section-dark {
    background: var(--dark);
    color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.section-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

.section-dark .section-header p {
    color: rgba(255,255,255,0.7);
}

/* ========================================
   关于区域
   ======================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
}

/* ========================================
   特色卡片
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

/* ========================================
   加入步骤
   ======================================== */
.join-content {
    text-align: center;
}

.join-content > p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 40px;
}

.join-steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 200px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 15px;
}

.step h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.step p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.6);
    padding: 30px 0;
    text-align: center;
}

/* ========================================
   表单
   ======================================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--gray-light);
    font-size: 0.85rem;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 14px;
    color: var(--gray-light);
    font-size: 1rem;
}

.input-group input,
.input-group textarea,
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
}

.input-group input {
    padding-left: 42px;
}

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

.verification-group {
    display: flex;
    gap: 10px;
}

.verification-group input {
    flex: 1;
}

.verification-group .btn {
    white-space: nowrap;
    padding: 12px 20px;
}

/* 复选框 */
.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: normal;
}

.checkbox input {
    width: auto;
}

/* ========================================
   提示框
   ======================================== */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ffcdd2;
}

.alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
}

.alert-info {
    background: #e3f2fd;
    color: #1565c0;
    border: 1px solid #bbdefb;
}

.alert-warning {
    background: #fff3e0;
    color: #e65100;
    border: 1px solid #ffe0b2;
}

/* ========================================
   卡片
   ======================================== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-body {
    padding: 25px;
}

/* ========================================
   表格
   ======================================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    font-weight: 600;
    color: var(--gray);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr:hover {
    background: #f9f9f9;
}

/* ========================================
   状态标签
   ======================================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-pending {
    background: #fff3e0;
    color: #e65100;
}

.status-approved {
    background: #e8f5e9;
    color: #2e7d32;
}

.status-rejected {
    background: #ffebee;
    color: #c62828;
}

/* ========================================
   徽章
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-admin {
    background: #e3f2fd;
    color: #1565c0;
}

.badge-user {
    background: #f5f5f5;
    color: var(--gray);
}

/* ========================================
   空状态
   ======================================== */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--gray-light);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
}

/* ========================================
   工具类
   ======================================== */
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--gray-light); }
.text-center { text-align: center; }
.mt-2 { margin-top: 15px; }
.mt-3 { margin-top: 25px; }
.mb-2 { margin-bottom: 15px; }
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

/* 玩家标签 */
.player-tag {
    background: var(--dark);
    color: var(--primary-light);
    padding: 4px 10px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
}

/* QQ标签 */
.qq-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #12B7F5;
    font-size: 0.9rem;
}

/* 头像占位 */
.avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gray-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-light);
}

.avatar-placeholder.small {
    width: 32px;
    height: 32px;
}

/* 必填标记 */
.required {
    color: var(--danger);
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 768px) {
    .navbar .container {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 20px;
    }
    
    .nav-links {
        width: 100%;
        justify-content: center;
        margin-top: 10px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .join-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .data-table {
        font-size: 0.85rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 8px;
    }
}