/* ===== 雨州Minecraft - 现代化游戏风格 ===== */

:root {
    --primary: #00d4ff;
    --primary-glow: rgba(0, 212, 255, 0.4);
    --secondary: #ff6b6b;
    --bg: #0a0a0f;
    --bg-light: #12121a;
    --bg-card: rgba(18, 18, 26, 0.8);
    --text: #ffffff;
    --text-muted: #8b8b9a;
    --border: rgba(255, 255, 255, 0.08);
    --gradient-1: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    --gradient-2: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

/* ===== 侧边导航栏 ===== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 80px;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
}

.sidebar-logo {
    width: 50px;
    height: 50px;
    margin-bottom: 40px;
    filter: drop-shadow(0 0 20px var(--primary-glow));
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.sidebar-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.3rem;
    transition: all 0.3s ease;
    position: relative;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s;
}

.sidebar-link:hover,
.sidebar-link.active {
    color: var(--text);
}

.sidebar-link:hover::before,
.sidebar-link.active::before {
    opacity: 0.15;
}

.sidebar-link i {
    position: relative;
    z-index: 1;
}

.sidebar-action {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.sidebar-btn {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--gradient-1);
    border: none;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.sidebar-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 30px var(--primary-glow);
}

/* ===== 顶部栏 ===== */
.topbar {
    position: fixed;
    top: 0;
    left: 80px;
    right: 0;
    height: 70px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
}

.topbar-title {
    font-size: 1.2rem;
    font-weight: 600;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.topbar-actions {
    display: flex;
    gap: 15px;
}

/* ===== 主内容区 ===== */
.main-content {
    margin-left: 80px;
    min-height: 100vh;
}

.page-content {
    display: none;
}

.page-content.active {
    display: block;
}

/* ===== 玻璃拟态卡片 ===== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

/* ===== 霓虹按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transform: skewX(25deg);
    transition: left 0.6s ease-out;
    filter: blur(2px);
}

.btn:hover::before {
    left: 150%;
}

.btn-primary {
    background: var(--gradient-1);
    color: #fff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
}

/* ===== 标签 ===== */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary);
}

/* ===== 加载界面 - 左侧垂直进度条 ===== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

/* 加载期间禁止页面滚动 */
body.loading {
    overflow: hidden;
    height: 100vh;
}

/* 进度条轨道 - 顶天立地，无空隙 */
.loading-track {
    position: fixed;
    left: 0; /* 完全贴近左侧边缘 */
    top: 0; /* 顶部对齐 */
    bottom: 0; /* 底部对齐 */
    width: 25px; /* 进度条轨道宽度25px */
    background: transparent; /* 与背景一致 */
    border-radius: 0; /* 无圆角 */
}

/* 发光的进度条 - 从上到下增长 */
.loading-bar-vertical {
    position: absolute;
    left: 0;
    top: 0;
    width: 25px; /* 固定25px宽度 */
    height: 0%;
    background: #45CDF3; /* 纯青色 */
    border-radius: 0; /* 无圆角，长方形 */
    box-shadow:
        0 0 20px rgba(69, 205, 243, 0.4),
        0 0 40px rgba(69, 205, 243, 0.2);
    transition: height 0.2s cubic-bezier(0.25, 0.1, 0.25, 1); /* 移除opacity transition */
}

/* 移除进度条底端的光点（头部） */
.loading-bar-vertical::after {
    content: none;
}

/* 进度信息 - 贴进度条右侧，跟随移动 */
.loading-info {
    position: fixed;
    left: 35px; /* 贴近25px进度条右侧，留10px间距 */
    top: auto;
    bottom: 100vh; /* 初始在屏幕顶部 */
    transform: translateY(0);
    transition: bottom 0.2s cubic-bezier(0.25, 0.1, 0.25, 1), opacity 0.15s ease-out;
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: flex-start;
    opacity: 1;
}

/* 进度百分比 */
.loading-percent {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow:
        0 0 10px var(--primary-glow),
        0 0 20px var(--primary-glow);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'SF Pro Display', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    letter-spacing: -0.03em;
    line-height: 1;
    display: flex;
    align-items: flex-end;
}

/* 百分比符号 - 更小，靠下对齐，加粗 */
.loading-percent::after {
    content: '%';
    font-size: 1.8rem;
    font-weight: 700;
    margin-left: 0.1em;
    margin-bottom: 0.3em;
    opacity: 0.9;
}

/* 上传状态文字 */
.loading-status {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
}

/* Logo - 居中显示 */
.loading-logo {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    opacity: 0.08;
    filter: drop-shadow(0 0 40px var(--primary-glow));
}

/* 水平展开动画 - 进度条跑满后向右蔓延 */
.loading-bar-horizontal {
    position: absolute;
    left: 0; /* 从屏幕最左侧开始，覆盖纵向进度条 */
    top: 0;
    height: 100%;
    width: 0%;
    background: #45CDF3; /* 纯青色 */
    box-shadow:
        0 0 30px rgba(69, 205, 243, 0.5),
        0 0 60px rgba(69, 205, 243, 0.3);
    /* 出场动画：从慢到快 cubic-bezier(0.42, 0, 1, 1) */
    /* 退场动画继承速度并继续加速，由JavaScript动态设置 */
    z-index: 3; /* 提高z-index确保覆盖纵向进度条 */
}

/* 退场状态：继承出场速度并继续加速 */
.loading-bar-horizontal.exiting {
    /* 使用 ease-out 让动画从出场结束速度开始，然后继续加速 */
    transition-timing-function: cubic-bezier(0, 0, 0.58, 1) !important;
}

/* 水平展开动画完成，隐藏背景遮罩和垂直进度条 */
.loading-screen.background-hidden {
    background: transparent !important;
}

.loading-screen.background-hidden .loading-bar-vertical {
    opacity: 0; /* 直接消失，无动画 */
}

/* 水平展开时的发光动画 */
.loading-bar-horizontal::before {
    display: none;
}

.loading-bar-horizontal::after {
    display: none;
}

/* ===== 页脚 ===== */
.footer {
    margin-left: 80px;
    padding: 40px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 30px;
}

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

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

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: 60px;
        flex-direction: row;
        padding: 0 20px;
        bottom: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    
    .sidebar-logo {
        width: 40px;
        height: 40px;
        margin: 0;
    }
    
    .sidebar-nav {
        flex-direction: row;
        margin-left: auto;
        gap: 5px;
    }
    
    .sidebar-link {
        width: 45px;
        height: 45px;
    }
    
    .sidebar-action {
        display: none;
    }
    
    .topbar {
        display: none;
    }
    
    .main-content,
    .footer {
        margin-left: 0;
        margin-top: 60px;
    }
}