:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --purchase-color: #10b981;
    --purchase-hover: #059669;
    --danger-color: #ef4444;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --warning-text: #fbbf24;
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Inter', 'Noto Sans SC', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
    overflow-x: hidden;
    position: relative;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 0%, #1e293b 0%, #0f172a 100%);
    overflow: hidden;
}

.background-animation::before,
.background-animation::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.background-animation::before {
    background: #3b82f6;
    top: -100px;
    left: -100px;
}

.background-animation::after {
    background: #8b5cf6;
    bottom: -100px;
    right: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, 50px); }
}

.container {
    width: 100%;
    max-width: 480px;
    z-index: 1;
}

/* Header */
.profile-header {
    text-align: center;
    margin-bottom: 2.5rem;
    animation: fadeInDown 0.8s ease-out;
}

.avatar-glow {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
    padding: 3px;
    animation: rotate-glow 6s linear infinite;
}

@keyframes rotate-glow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    animation: rotate-glow 6s linear infinite reverse;
}

.profile-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.profile-header .subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Cards */
.links-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.link-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeInUp 0.8s ease-out backwards;
    position: relative;
    overflow: hidden;
}

.link-card:nth-child(1) { animation-delay: 0.1s; }
.link-card:nth-child(2) { animation-delay: 0.2s; }
.link-card:nth-child(3) { animation-delay: 0.3s; }
.link-card:nth-child(4) { animation-delay: 0.4s; }
.link-card:nth-child(5) { animation-delay: 0.5s; }

.link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Featured Card (新增的上升星座计算器) */
.featured-card {
    border-color: rgba(168, 85, 247, 0.4);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(236, 72, 153, 0.1), rgba(30, 41, 59, 0.7));
}

.featured-card:hover {
    border-color: rgba(168, 85, 247, 0.6);
    box-shadow: 0 10px 40px rgba(168, 85, 247, 0.2);
}

.new-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #a855f7, #ec4899);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    letter-spacing: 0.05em;
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.9; transform: scale(1.05); }
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 500;
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge.warning {
    background: var(--warning-bg);
    color: var(--warning-text);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Buttons */
.main-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.main-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

/* 渐变按钮 */
.gradient-btn {
    background: linear-gradient(135deg, #a855f7, #ec4899, #f97316);
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

.gradient-btn:hover {
    background: linear-gradient(135deg, #a855f7, #ec4899, #f97316);
    background-size: 200% 200%;
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.4);
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.action-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem;
    border-radius: 10px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

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

.action-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.action-btn.purchase {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.action-btn.purchase:hover {
    background: rgba(16, 185, 129, 0.2);
}

/* Claude Specifics */
.alert-box {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.mirror-group h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.mirror-group .note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.divider {
    height: 1px;
    background: var(--glass-border);
    margin: 1rem 0;
}

/* Footer */
.page-footer {
    text-align: center;
    margin-top: 3rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    opacity: 0.6;
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Responsive */
@media (max-width: 480px) {
    .profile-header h1 {
        font-size: 2rem;
    }
    
    .btn-group {
        grid-template-columns: 1fr;
    }
}