/**
 * MCServerPanel - 主样式文件
 * 设计风格：深色科技风
 */

:root {
    --primary: #4770ca;
    --primary-light: #9ab7ff;
    --accent: #69c1a9;
    --bg-dark: #0f1419;
    --bg-surface: #1a2332;
    --bg-surface-light: #243447;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #6b7a8f;
    --border: #2d3a4f;
    --success: #4ade80;
    --warning: #fbbf24;
    --error: #f87171;
    --gold: #ffd700;
    
    --font-heading: 'Exo', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 背景动画 */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-surface) 50%, var(--bg-dark) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(15, 20, 25, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.navbar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    font-family: var(--font-heading);
}

.navbar-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color var(--transition-fast);
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 4px 15px rgba(71, 112, 202, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(71, 112, 202, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(71, 112, 202, 0.1);
}

.btn-gold {
    background: linear-gradient(135deg, #ffd700, #ffaa00);
    color: #1a1a1a;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 215, 0, 0.6);
}

/* 主视觉区 */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 5% 50px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title .static-text {
    color: var(--text-primary);
}

.hero-title .typing-container {
    display: inline-block;
    position: relative;
}

.hero-title .typing-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .cursor {
    display: inline-block;
    width: 3px;
    height: 1em;
    background: var(--primary);
    margin-left: 5px;
    animation: blink 1s infinite;
    vertical-align: middle;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 装饰元素 */
.decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.decoration {
    position: absolute;
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
}

.decoration:nth-child(1) { top: 15%; left: 10%; animation-delay: 0s; }
.decoration:nth-child(2) { top: 25%; right: 15%; animation-delay: 1s; }
.decoration:nth-child(3) { bottom: 30%; left: 15%; animation-delay: 2s; }
.decoration:nth-child(4) { bottom: 20%; right: 10%; animation-delay: 3s; }
.decoration:nth-child(5) { top: 50%; left: 5%; animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* 区块样式 */
.section {
    padding: 100px 5%;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 特性卡片 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(71, 112, 202, 0.2), rgba(105, 193, 169, 0.2));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2rem;
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

.feature-image {
    width: 100%;
    height: 180px;
    background: var(--bg-surface-light);
    border-radius: 12px;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 对比表格 */
.comparison-section {
    background: var(--bg-surface);
}

.comparison-table {
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1.5fr 1.5fr 1fr;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    padding: 20px;
    font-weight: 700;
    font-family: var(--font-heading);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1.5fr 1.5fr 1fr;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-fast);
    align-items: center;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row:hover {
    background: rgba(71, 112, 202, 0.1);
}

.comparison-feature {
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-our {
    color: var(--accent);
    font-weight: 600;
}

.comparison-other {
    color: var(--text-secondary);
}

.check-icon {
    color: var(--success);
    font-size: 1.2rem;
}

.x-icon {
    color: var(--error);
    font-size: 1.2rem;
}

/* 下载页面 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.download-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 35px;
    text-align: center;
    transition: all var(--transition-normal);
}

.download-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.download-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(71, 112, 202, 0.2), rgba(105, 193, 169, 0.2));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
}

.download-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.download-desc {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-surface-light);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.download-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.script-box {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 15px;
    margin-top: 15px;
    position: relative;
}

.script-box code {
    display: block;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--bg-surface-light);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all var(--transition-fast);
}

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

/* Pro版页面 */
.pro-section {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), rgba(255, 170, 0, 0.05));
}

.pro-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.pro-content h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--gold), #ffaa00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pro-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.pro-features {
    list-style: none;
    margin-bottom: 35px;
}

.pro-features li {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.pro-features li:last-child {
    border-bottom: none;
}

.pro-features .icon {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--gold), #ffaa00);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a1a1a;
    font-size: 0.9rem;
}

.pro-features span {
    color: var(--text-primary);
    font-weight: 500;
}

.pro-card {
    background: var(--bg-surface);
    border: 2px solid var(--gold);
    border-radius: 25px;
    padding: 50px;
    text-align: center;
    position: relative;
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.2);
}

.pro-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--gold), #ffaa00);
    color: #1a1a1a;
    padding: 8px 25px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

.pro-card h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 10px;
}

.pro-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gold);
    margin-bottom: 30px;
}

.pro-price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* 页脚 */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding: 50px 5% 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

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

.footer-logo {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.footer-title {
    font-family: var(--font-heading);
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 25px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-copy {
    width: 100%;
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 后台登录 */
.admin-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 25px;
    padding: 50px;
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.login-card h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 10px;
}

.login-card p {
    color: var(--text-secondary);
    margin-bottom: 35px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(71, 112, 202, 0.2);
}

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

/* 后台管理 */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    padding: 30px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.admin-brand {
    padding: 0 25px 30px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.admin-brand a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.admin-nav {
    list-style: none;
    padding: 0 15px;
}

.admin-nav li {
    margin-bottom: 5px;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.admin-nav a:hover,
.admin-nav a.active {
    background: rgba(71, 112, 202, 0.15);
    color: var(--primary);
}

.admin-main {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.admin-header h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
}

.admin-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
}

.admin-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

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

.admin-table th,
.admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

.admin-table tr:hover td {
    background: rgba(71, 112, 202, 0.05);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

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

.btn-danger:hover {
    background: #ef4444;
}

/* 响应式 */
@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .pro-container {
        grid-template-columns: 1fr;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .comparison-header > div:first-child,
    .comparison-row > div:first-child {
        display: none;
    }
    
    .admin-sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .admin-layout {
        flex-direction: column;
    }
}

/* 动画类 */
.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

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

.slide-up {
    animation: slideUp 0.6s ease forwards;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 消息提示 */
.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.alert-success {
    background: rgba(74, 222, 128, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(248, 113, 113, 0.15);
    border: 1px solid var(--error);
    color: var(--error);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-family: var(--font-heading);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 文本区域 */
textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* 图片上传预览 */
.image-preview {
    width: 100%;
    height: 150px;
    background: var(--bg-dark);
    border: 2px dashed var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
    overflow: hidden;
}

.image-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}