/**
 * StarTrack - 服务器卡片现代化样式
 * 专为 server-card.has-group 设计的赛博朋克风格
 */

/* ========== 基础服务器卡片优化 ========== */
.server-card {
    --server-accent: var(--cyber-cyan);
    --card-bg: linear-gradient(165deg, rgba(12, 17, 25, 0.95) 0%, rgba(8, 11, 18, 0.98) 100%);
    
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    backdrop-filter: blur(12px);
    cursor: pointer;
    min-height: 340px;
    display: flex;
    flex-direction: column;
}

/* 卡片顶部光晕条 */
.server-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent,
        rgba(255, 255, 255, 0.3) 30%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 255, 255, 0.3) 70%,
        transparent
    );
    transition: all 0.4s ease;
}

.server-card:hover::before {
    width: 80%;
    background: linear-gradient(90deg, 
        transparent,
        var(--server-accent) 30%,
        color-mix(in srgb, var(--server-accent) 70%, white) 50%,
        var(--server-accent) 70%,
        transparent
    );
    box-shadow: 0 0 20px var(--server-accent);
}

.server-card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--server-accent) 40%, transparent);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        0 0 30px color-mix(in srgb, var(--server-accent) 15%, transparent);
}

/* ========== 分组卡片 - 全新现代化设计 ========== */
.server-card.has-group {
    --group-glow: color-mix(in srgb, var(--group-color) 30%, transparent);
    --group-border: color-mix(in srgb, var(--group-color) 50%, transparent);
    --group-bg-tint: color-mix(in srgb, var(--group-color) 5%, transparent);
    
    background: 
        /* 微妙的径向渐变光晕 */
        radial-gradient(ellipse at 0% 0%, var(--group-bg-tint), transparent 50%),
        /* 底部光晕 */
        radial-gradient(ellipse at 100% 100%, color-mix(in srgb, var(--group-color) 3%, transparent), transparent 50%),
        /* 基础背景 */
        linear-gradient(165deg, rgba(12, 17, 25, 0.96) 0%, rgba(6, 9, 14, 0.99) 100%);
    
    border: 1px solid var(--group-border);
    border-radius: 12px;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.3),
        inset 0 0 40px color-mix(in srgb, var(--group-color) 3%, transparent);
}

/* 左侧发光边条 - 核心视觉元素 */
.server-card.has-group::after {
    content: '';
    position: absolute;
    top: 20px;
    bottom: 20px;
    left: 0;
    width: 3px;
    background: linear-gradient(180deg, 
        transparent,
        var(--group-color) 20%,
        var(--group-color) 80%,
        transparent
    );
    border-radius: 0 2px 2px 0;
    box-shadow: 
        0 0 15px var(--group-color),
        0 0 30px color-mix(in srgb, var(--group-color) 50%, transparent);
    opacity: 0.9;
    transition: all 0.4s ease;
}

/* 顶部渐变光条 */
.server-card.has-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--group-color),
        color-mix(in srgb, var(--group-color) 60%, white) 30%,
        transparent 60%
    );
    border-radius: 12px 12px 0 0;
    opacity: 0.8;
}

/* Hover状态增强 */
.server-card.has-group:hover {
    border-color: var(--group-color);
    transform: translateY(-5px) scale(1.005);
    box-shadow: 
        0 15px 50px rgba(0, 0, 0, 0.5),
        0 0 40px var(--group-glow),
        inset 0 0 60px color-mix(in srgb, var(--group-color) 5%, transparent);
}

.server-card.has-group:hover::after {
    opacity: 1;
    box-shadow: 
        0 0 20px var(--group-color),
        0 0 40px var(--group-color),
        0 0 60px color-mix(in srgb, var(--group-color) 40%, transparent);
}

.server-card.has-group:hover::before {
    opacity: 1;
    background: linear-gradient(90deg, 
        var(--group-color),
        color-mix(in srgb, var(--group-color) 70%, white) 40%,
        transparent 70%
    );
}

/* ========== 服务器名称优化 ========== */
.server-card.has-group .server-name {
    color: var(--group-color);
    text-shadow: 0 0 20px color-mix(in srgb, var(--group-color) 40%, transparent);
    position: relative;
}

/* ========== 分组标签 - 现代胶囊设计 ========== */
.server-card.has-group .group-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 14px 4px 8px;
    font-size: 0.65em;
    font-family: 'Rajdhani', monospace;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--group-color);
    background: linear-gradient(135deg, 
        color-mix(in srgb, var(--group-color) 15%, transparent),
        color-mix(in srgb, var(--group-color) 8%, transparent)
    );
    border: 1px solid color-mix(in srgb, var(--group-color) 40%, transparent);
    border-radius: 20px;
    backdrop-filter: blur(8px);
    box-shadow: 
        0 2px 10px color-mix(in srgb, var(--group-color) 20%, transparent),
        inset 0 1px 0 color-mix(in srgb, var(--group-color) 20%, transparent);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.server-card.has-group .group-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--group-color);
    box-shadow: 0 0 8px var(--group-color);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

.server-card.has-group:hover .group-badge {
    background: linear-gradient(135deg, 
        color-mix(in srgb, var(--group-color) 25%, transparent),
        color-mix(in srgb, var(--group-color) 15%, transparent)
    );
    border-color: var(--group-color);
    box-shadow: 
        0 4px 15px color-mix(in srgb, var(--group-color) 30%, transparent),
        inset 0 1px 0 color-mix(in srgb, var(--group-color) 30%, transparent);
}

/* ========== CPU圆环优化 ========== */
.server-card.has-group .cpu-circle-progress {
    stroke: var(--group-color);
    filter: drop-shadow(0 0 8px var(--group-color));
    transition: all 0.5s ease;
}

.server-card.has-group:hover .cpu-circle-progress {
    filter: drop-shadow(0 0 15px var(--group-color));
}

.server-card.has-group .cpu-text .value {
    color: var(--group-color);
    text-shadow: 0 0 15px color-mix(in srgb, var(--group-color) 50%, transparent);
}

/* ========== 指标卡片优化 ========== */
.server-card.has-group .metric {
    /* 指标强调色：优先跟随分组色，其次跟随卡片 accent，最后回退到全局 cyan */
    --metric-accent: var(--group-color, var(--server-accent, var(--cyber-cyan)));

    background: linear-gradient(145deg, 
        rgba(0, 0, 0, 0.4),
        rgba(0, 0, 0, 0.2)
    );
    border: 1px solid color-mix(in srgb, var(--group-color) 15%, transparent);
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* 指标卡片顶部“充满条”（对齐普通 server-card 的 hover 效果，并自动适配色彩） */
.server-card.has-group .metric::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,
        var(--metric-accent),
        color-mix(in srgb, var(--metric-accent) 65%, white) 35%,
        var(--metric-accent)
    );
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.server-card.has-group .metric:hover {
    background: linear-gradient(145deg, 
        color-mix(in srgb, var(--group-color) 10%, rgba(0, 0, 0, 0.4)),
        color-mix(in srgb, var(--group-color) 5%, rgba(0, 0, 0, 0.2))
    );
    border-color: color-mix(in srgb, var(--group-color) 40%, transparent);
    transform: translateY(-2px);
}

.server-card.has-group .metric:hover::before {
    transform: translateX(0);
}

.server-card.has-group .metric .value {
    color: var(--group-color);
    text-shadow: 0 0 12px color-mix(in srgb, var(--group-color) 40%, transparent);
}

/* ========== 标签优化 ========== */
.server-card.has-group .server-tag {
    background: color-mix(in srgb, var(--group-color) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--group-color) 30%, transparent);
    color: var(--group-color);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.server-card.has-group .server-tag:hover {
    background: color-mix(in srgb, var(--group-color) 20%, transparent);
    border-color: var(--group-color);
}

/* ========== 页脚优化 ========== */
.server-card.has-group .server-footer {
    border-top-color: color-mix(in srgb, var(--group-color) 20%, transparent);
}

.server-card.has-group .server-footer .icon {
    color: var(--group-color);
    filter: drop-shadow(0 0 5px color-mix(in srgb, var(--group-color) 50%, transparent));
}

/* ========== 响应式适配 ========== */
@media (max-width: 768px) {
    .server-card.has-group::after {
        top: 15px;
        bottom: 15px;
        width: 2px;
    }
    
    .server-card.has-group .group-badge {
        font-size: 0.6em;
        padding: 3px 10px 3px 6px;
    }
    
    .server-card.has-group .group-badge::before {
        width: 5px;
        height: 5px;
    }
}