/* ===================================
   主题三：暗夜星空风格
   深邃背景、星点动画、紫蓝渐变
   =================================== */

[data-theme="galaxy"] {
    /* 颜色 - 宇宙配色 */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: rgba(30, 30, 60, 0.6);
    --text-primary: #e8e8f0;
    --text-secondary: #9898b0;
    --accent-primary: #a855f7;
    --accent-secondary: #3b82f6;
    --accent-tertiary: #ec4899;
    --accent-gradient: linear-gradient(135deg, #a855f7, #3b82f6, #06b6d4);

    /* 阴影 */
    --shadow-glow: 0 0 30px rgba(168, 85, 247, 0.4);
}

/* 星空背景 */
[data-theme="galaxy"] body {
    background:
        radial-gradient(ellipse at top, #1a1a3e 0%, #0f0f1a 50%),
        radial-gradient(ellipse at bottom, #1a0a2e 0%, #0f0f1a 50%);
    background-attachment: fixed;
}

/* 星星容器 */
[data-theme="galaxy"] .stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

/* 星星层 */
[data-theme="galaxy"] body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20px 30px, #ffffff, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #ffffff, transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 160px 120px, #ffffff, transparent),
        radial-gradient(2px 2px at 200px 50px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 250px 160px, #ffffff, transparent),
        radial-gradient(2px 2px at 300px 100px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(1px 1px at 350px 200px, #ffffff, transparent),
        radial-gradient(2px 2px at 400px 60px, rgba(255, 255, 255, 0.8), transparent);
    background-repeat: repeat;
    background-size: 500px 500px;
    animation: twinkle 4s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

[data-theme="galaxy"] body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(1px 1px at 50px 150px, rgba(168, 85, 247, 0.8), transparent),
        radial-gradient(2px 2px at 100px 250px, rgba(59, 130, 246, 0.6), transparent),
        radial-gradient(1px 1px at 180px 100px, rgba(236, 72, 153, 0.7), transparent),
        radial-gradient(2px 2px at 220px 300px, rgba(168, 85, 247, 0.5), transparent),
        radial-gradient(1px 1px at 280px 180px, rgba(6, 182, 212, 0.6), transparent);
    background-repeat: repeat;
    background-size: 400px 400px;
    animation: twinkle 6s ease-in-out infinite reverse;
    pointer-events: none;
    z-index: -1;
}

@keyframes twinkle {

    0%,
    100% {
        opacity: 0.7;
    }

    50% {
        opacity: 1;
    }
}

/* 流星效果 */
[data-theme="galaxy"] .meteor {
    position: fixed;
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), transparent);
    animation: meteor 3s linear infinite;
    opacity: 0;
}

@keyframes meteor {
    0% {
        transform: translateX(0) translateY(0) rotate(45deg);
        opacity: 1;
    }

    100% {
        transform: translateX(300px) translateY(300px) rotate(45deg);
        opacity: 0;
    }
}

/* 星云效果 */
[data-theme="galaxy"] .nebula {
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: nebula-float 20s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes nebula-float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(50px, 20px) scale(1.1);
    }

    50% {
        transform: translate(0, 40px) scale(1);
    }

    75% {
        transform: translate(-50px, 20px) scale(0.9);
    }
}

/* 导航栏 */
[data-theme="galaxy"] .navbar {
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(168, 85, 247, 0.2);
}

[data-theme="galaxy"] .navbar .logo {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 卡片 - 毛玻璃 + 星光边框 */
[data-theme="galaxy"] .card {
    background: rgba(30, 30, 60, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(168, 85, 247, 0.2);
    box-shadow:
        0 4px 30px rgba(0, 0, 0, 0.3),
        inset 0 0 30px rgba(168, 85, 247, 0.05);
}

[data-theme="galaxy"] .card:hover {
    border-color: rgba(168, 85, 247, 0.5);
    box-shadow:
        0 8px 40px rgba(168, 85, 247, 0.2),
        0 0 60px rgba(59, 130, 246, 0.1),
        inset 0 0 30px rgba(168, 85, 247, 0.1);
    transform: translateY(-4px);
}

/* 按钮 */
[data-theme="galaxy"] .btn-primary {
    background: var(--accent-gradient);
    background-size: 200% 200%;
    animation: gradient-shift 4s ease infinite;
    box-shadow: var(--shadow-glow);
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

[data-theme="galaxy"] .btn-primary:hover {
    box-shadow:
        0 0 40px rgba(168, 85, 247, 0.5),
        0 0 80px rgba(59, 130, 246, 0.3);
}

[data-theme="galaxy"] .btn-secondary {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

[data-theme="galaxy"] .btn-secondary:hover {
    background: rgba(168, 85, 247, 0.2);
}

/* 输入框 */
[data-theme="galaxy"] .input,
[data-theme="galaxy"] .textarea,
[data-theme="galaxy"] .select {
    background: rgba(30, 30, 60, 0.5);
    border: 1px solid rgba(168, 85, 247, 0.2);
    color: var(--text-primary);
}

[data-theme="galaxy"] .input:focus,
[data-theme="galaxy"] .textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

/* 文字渐变 */
[data-theme="galaxy"] .text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 统计数字 */
[data-theme="galaxy"] .stat-number {
    font-family: var(--font-mono);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 40px rgba(168, 85, 247, 0.5);
}

/* 徽章 */
[data-theme="galaxy"] .badge {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(59, 130, 246, 0.2));
    border: 1px solid rgba(168, 85, 247, 0.3);
    color: var(--accent-primary);
}

/* 工具图标 */
[data-theme="galaxy"] .tool-icon {
    background: var(--accent-gradient);
    color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

/* 下载按钮特效 */
[data-theme="galaxy"] .download-btn {
    position: relative;
    overflow: hidden;
}

[data-theme="galaxy"] .download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% {
        left: 100%;
    }
}

/* 分割线 */
[data-theme="galaxy"] .divider {
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.3), rgba(59, 130, 246, 0.3), transparent);
}

/* 页脚 */
[data-theme="galaxy"] .footer {
    background: rgba(15, 15, 26, 0.9);
    border-top: 1px solid rgba(168, 85, 247, 0.2);
}

/* 表格 */
[data-theme="galaxy"] .table th {
    background: rgba(30, 30, 60, 0.5);
    border-bottom: 1px solid rgba(168, 85, 247, 0.2);
}

[data-theme="galaxy"] .table td {
    border-bottom: 1px solid rgba(168, 85, 247, 0.1);
}

[data-theme="galaxy"] .table tr:hover {
    background: rgba(168, 85, 247, 0.1);
}

/* 滚动条 */
[data-theme="galaxy"] ::-webkit-scrollbar-track {
    background: #1a1a2e;
}

[data-theme="galaxy"] ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

/* Hero区域光晕 */
[data-theme="galaxy"] .hero {
    position: relative;
}

[data-theme="galaxy"] .hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    filter: blur(40px);
    pointer-events: none;
}

/* 加载动画 */
[data-theme="galaxy"] .loading {
    border-color: rgba(168, 85, 247, 0.2);
    border-top-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

/* 行星装饰 */
[data-theme="galaxy"] .planet {
    position: fixed;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(168, 85, 247, 0.4), rgba(59, 130, 246, 0.2));
    box-shadow:
        inset -10px -10px 30px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(168, 85, 247, 0.2);
    animation: planet-float 30s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes planet-float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}