/* 可爱主题 · 猫咪装饰层 */
[data-theme="cute"] body.fe-body-shell,
[data-theme="cute"] .fe-index-page {
    background-color: var(--bg-primary);
    background-image:
        radial-gradient(circle at 12% 18%, rgba(249, 168, 212, 0.35) 0 8px, transparent 9px),
        radial-gradient(circle at 88% 22%, rgba(249, 168, 212, 0.28) 0 6px, transparent 7px),
        radial-gradient(circle at 24% 78%, rgba(192, 132, 252, 0.22) 0 7px, transparent 8px),
        radial-gradient(circle at 72% 85%, rgba(249, 168, 212, 0.3) 0 9px, transparent 10px),
        linear-gradient(180deg, #fff7fb 0%, #fdf2f8 100%);
    background-size: 100% 100%;
}

/* 导航栏猫耳朵 */
[data-theme="cute"] .fe-navbar {
    overflow: visible;
}

[data-theme="cute"] .fe-navbar__brand::before,
[data-theme="cute"] .fe-navbar__brand::after {
    content: '';
    position: absolute;
    top: -10px;
    width: 0;
    height: 0;
    border-left: 11px solid transparent;
    border-right: 11px solid transparent;
    border-bottom: 18px solid #fda4af;
    filter: drop-shadow(0 2px 2px rgba(131, 24, 67, 0.15));
    pointer-events: none;
    z-index: 1;
}

[data-theme="cute"] .fe-navbar__brand::before {
    left: 6px;
    transform: rotate(-12deg);
}

[data-theme="cute"] .fe-navbar__brand::after {
    left: 34px;
    transform: rotate(12deg);
}

[data-theme="cute"] .fe-navbar__brand {
    position: relative;
}

[data-theme="cute"] .fe-navbar__brand-mark::after {
    content: '🐱';
    margin-left: 6px;
    font-size: 14px;
}

/* 右下角猫尾巴 */
[data-theme="cute"] body.fe-body-shell::after {
    content: '';
    position: fixed;
    right: -6px;
    bottom: 48px;
    width: 72px;
    height: 120px;
    pointer-events: none;
    z-index: 2500;
    opacity: 0.88;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 140'%3E%3Cpath d='M62 130 C40 110 20 90 28 60 C34 38 52 22 58 8 C54 28 48 42 50 58 C52 78 68 98 72 118 C74 126 68 132 62 130 Z' fill='%23f9a8d4' stroke='%23ec4899' stroke-width='2'/%3E%3Cpath d='M58 8 C56 2 50 0 46 4 C50 6 54 10 58 8 Z' fill='%23fda4af'/%3E%3C/svg%3E") no-repeat center / contain;
    animation: cute-tail-sway 4s ease-in-out infinite;
    transform-origin: bottom center;
}

@keyframes cute-tail-sway {
    0%, 100% { transform: rotate(-4deg); }
    50% { transform: rotate(6deg); }
}

/* 卡片圆角加大 + 软萌边框 */
[data-theme="cute"] .fe-cyber-card,
[data-theme="cute"] .fe-track-card,
[data-theme="cute"] .fe-quick-access__col {
    border-radius: 18px !important;
    border-width: 2px;
    border-color: color-mix(in srgb, var(--primary-color) 35%, #fbcfe8) !important;
}

[data-theme="cute"] .fe-cyber-chip::before {
    content: '🐾';
    width: auto;
    height: auto;
    border-radius: 0;
    background: none;
    box-shadow: none;
    animation: none;
    font-size: 10px;
}

[data-theme="cute"] .fe-hero-cta,
[data-theme="cute"] .fe-track-link,
[data-theme="cute"] .fe-auth-btn,
[data-theme="cute"] .edu-toolbar-btn {
    border-radius: 999px !important;
}

[data-theme="cute"] .fe-metric {
    border-radius: 16px;
    background: linear-gradient(145deg, #fff, #fce7f3);
}

@media (prefers-reduced-motion: reduce) {
    [data-theme="cute"] body.fe-body-shell::after {
        animation: none;
    }
}

@media (max-width: 768px) {
    [data-theme="cute"] body.fe-body-shell::after {
        width: 52px;
        height: 88px;
        bottom: 72px;
    }
}