/* ========================================
   Philosophical Portal - Echo Chamber Integration
   独立的3D数字艺术装置样式（保留原有哲学球）
   ======================================== */

/* 新增的3D哲学门户 - 不影响原有元素 */
.philosophical-portal {
    position: relative;
    margin: 3rem auto;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
    z-index: 50;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.philosophical-portal:hover {
    transform: scale(1.05);
    filter: brightness(1.1) saturate(1.2);
}

.portal-stage {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

/* 3D几何核心 - 减小尺寸 */
.portal-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    transform: translate(-50%, -50%);
    cursor: pointer;
    transform-style: preserve-3d;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: portal-float 8s ease-in-out infinite;
}

.core-geometry {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    animation: core-rotate 20s linear infinite;
}

.face {
    position: absolute;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, 
        var(--accent-color, #c9a96e) 0%, 
        var(--accent-secondary, #7c9885) 50%, 
        var(--accent-tertiary, #8b7355) 100%);
    border: 2px solid var(--border-color, rgba(201, 169, 110, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 300;
    color: var(--text-primary, #f8f6f0);
    backdrop-filter: blur(10px);
    border-radius: 20% 50% 30% 70% / 40% 60% 20% 80%;
    opacity: 0.8;
    text-shadow: 0 0 20px currentColor;
    box-shadow: 
        0 0 30px var(--border-color, rgba(201, 169, 110, 0.3)),
        inset 0 0 30px rgba(255, 255, 255, 0.1);
}

/* 六面体的每个面定位 - 适配小尺寸 */
.face-1 { transform: rotateY(0deg) translateZ(40px); }
.face-2 { transform: rotateY(60deg) translateZ(40px); }
.face-3 { transform: rotateY(120deg) translateZ(40px); }
.face-4 { transform: rotateY(180deg) translateZ(40px); }
.face-5 { transform: rotateY(240deg) translateZ(40px); }
.face-6 { transform: rotateY(300deg) translateZ(40px); }

/* 门户光晕效果 */
.portal-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(circle, 
        var(--border-color, rgba(201, 169, 110, 0.2)) 0%, 
        var(--accent-secondary, rgba(124, 152, 133, 0.1)) 50%, 
        transparent 70%);
    border-radius: 50%;
    animation: glow-pulse 4s ease-in-out infinite alternate;
    filter: blur(10px);
    pointer-events: none;
}

/* 3D文字轨道 - 改进动画效果 */
.portal-text-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 180px;
    height: 180px;
    transform: translate(-50%, -50%);
    transform-style: preserve-3d;
    animation: orbit-rotate 30s linear infinite;
    pointer-events: none;
}

.orbit-text {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.orbit-text span {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 0.7rem;
    font-style: italic;
    color: var(--accent-secondary, #7c9885);
    text-shadow: 0 0 10px currentColor;
    white-space: nowrap;
    transform: translate(-50%, -50%) rotateX(15deg) translateZ(90px);
    opacity: 0.7;
    font-family: var(--font-serif, 'Times New Roman'), serif;
    letter-spacing: 0.5px;
    animation: text-wave 6s ease-in-out infinite;
}

/* 粒子系统 */
.portal-particles {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.portal-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-color, #c9a96e);
    border-radius: 50%;
    opacity: 0.6;
    animation: particle-orbit 12s linear infinite;
    animation-delay: var(--delay, 0s);
    transform-origin: 100px 100px;
    box-shadow: 0 0 10px currentColor;
}

.portal-particle::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--text-primary, white);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: particle-twinkle 3s ease-in-out infinite;
}

/* 动画定义 - 改进版本 */
@keyframes portal-float {
    0%, 100% { 
        transform: translate(-50%, -50%) translateY(0px) rotateY(0deg);
    }
    25% { 
        transform: translate(-50%, -50%) translateY(-8px) rotateY(90deg);
    }
    50% { 
        transform: translate(-50%, -50%) translateY(-4px) rotateY(180deg);
    }
    75% { 
        transform: translate(-50%, -50%) translateY(-12px) rotateY(270deg);
    }
}

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

@keyframes glow-pulse {
    0% { 
        opacity: 0.5;
        transform: scale(1);
    }
    100% { 
        opacity: 0.8;
        transform: scale(1.1);
    }
}

@keyframes orbit-rotate {
    from { transform: translate(-50%, -50%) rotateY(0deg) rotateZ(0deg); }
    to { transform: translate(-50%, -50%) rotateY(360deg) rotateZ(360deg); }
}

@keyframes text-wave {
    0%, 100% { 
        transform: translate(-50%, -50%) rotateX(15deg) translateZ(90px);
        opacity: 0.7;
    }
    50% { 
        transform: translate(-50%, -50%) rotateX(-15deg) translateZ(105px);
        opacity: 1;
    }
}

@keyframes particle-orbit {
    from { 
        transform: rotate(var(--angle, 0deg)) translateX(100px) rotateZ(0deg);
    }
    to { 
        transform: rotate(var(--angle, 0deg)) translateX(100px) rotateZ(360deg);
    }
}

@keyframes particle-twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* 悬停状态增强 */
.portal-core:hover .core-geometry {
    animation-duration: 10s;
}

.portal-core:hover .portal-glow {
    opacity: 1;
    transform: scale(1.2);
}

.portal-core:hover .orbit-text span {
    color: var(--accent-color, #c9a96e);
    opacity: 1;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .philosophical-portal {
        margin: 2rem auto;
        width: 150px;
        height: 150px;
    }
    
    .portal-core {
        width: 60px;
        height: 60px;
    }
    
    .face {
        width: 60px;
        height: 60px;
        font-size: 1.2rem;
    }
    
    .face-1, .face-2, .face-3, .face-4, .face-5, .face-6 { 
        transform: rotateY(calc(var(--rotation, 0) * 60deg)) translateZ(30px); 
    }
    
    .portal-text-orbit {
        width: 120px;
        height: 120px;
    }
    
    .orbit-text span {
        font-size: 0.6rem;
        transform: translate(-50%, -50%) rotateX(15deg) translateZ(60px);
    }
    
    .portal-particles {
        width: 150px;
        height: 150px;
    }
    
    .portal-particle {
        transform-origin: 75px 75px;
    }
}

@media (max-width: 480px) {
    .philosophical-portal {
        width: 120px;
        height: 120px;
    }
    
    .portal-core {
        width: 50px;
        height: 50px;
    }
    
    .face {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
    
    .orbit-text span {
        font-size: 0.5rem;
    }
}

/* 确保与Echo Chamber主题兼容 */
[data-theme="light"] .philosophical-portal .face {
    background: linear-gradient(135deg, 
        var(--accent-color) 0%, 
        var(--accent-secondary) 50%, 
        var(--accent-tertiary) 100%);
    box-shadow: 
        0 0 30px var(--border-color),
        inset 0 0 30px rgba(0, 0, 0, 0.1);
}

/* 游戏容器样式 */
#philosophical-game-container {
    background: var(--primary-bg, linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%));
}

/* 与Echo Chamber的其他元素配合 */
.chamber-entrance .philosophical-portal {
    /* 在chamber-entrance中的额外样式调整 */
    margin-top: 3rem;
    margin-bottom: 2rem;
}

/* 确保不干扰原有的philosophy-orb */
.philosophy-orb {
    /* 保持原有的哲学球样式不变 */
}

/* 动画性能优化 */
@media (prefers-reduced-motion: reduce) {
    .portal-core,
    .core-geometry,
    .portal-glow,
    .portal-text-orbit,
    .portal-particle,
    .loading-symbol {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* 游戏加载界面 */
.game-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--primary-bg, linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal, 100);
    backdrop-filter: blur(20px);
}

.loading-content {
    text-align: center;
    color: var(--text-primary, #f8f6f0);
}

.loading-symbol {
    font-size: clamp(3rem, 8vw, 4rem);
    color: var(--accent-color, #c9a96e);
    margin-bottom: 2rem;
    animation: loading-spin 2s linear infinite;
    text-shadow: 0 0 30px currentColor;
}

.loading-content p {
    font-size: clamp(1rem, 3vw, 1.2rem);
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.loading-sub {
    font-size: clamp(0.8rem, 2.5vw, 1rem);
    opacity: 0.6;
    font-style: italic;
}

/* 动画关键帧 */
@keyframes loading-spin {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}