/* 里世界进入/退出动画 */

.innerworld-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    pointer-events: none;
    display: flex;
    overflow: hidden;
}

.crack-left,
.crack-right {
    width: 50%;
    height: 100%;
    transition: transform 2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

/* 裂缝边缘发光效果 */
.crack-left::after,
.crack-right::after {
    content: '';
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.8), 0 0 30px rgba(255, 255, 255, 0.5);
}

.crack-left::after {
    right: 0;
}

.crack-right::after {
    left: 0;
}

/* 进入里世界：黑色从两侧向中间"吞噬" */
.innerworld-overlay.enter .crack-left,
.innerworld-overlay.enter .crack-right {
    background: #0a0a0a;
}

.innerworld-overlay.enter .crack-left {
    transform: translateX(-100%);
}

.innerworld-overlay.enter .crack-right {
    transform: translateX(100%);
}

.innerworld-overlay.enter.active .crack-left,
.innerworld-overlay.enter.active .crack-right {
    transform: translateX(0);
}

/* 退出里世界：亮色从两侧向中间"吞噬" */
.innerworld-overlay.exit .crack-left,
.innerworld-overlay.exit .crack-right {
    background: var(--bg-color, #f5f5f5);
}

.innerworld-overlay.exit .crack-left {
    transform: translateX(-100%);
}

.innerworld-overlay.exit .crack-right {
    transform: translateX(100%);
}

.innerworld-overlay.exit.active .crack-left,
.innerworld-overlay.exit.active .crack-right {
    transform: translateX(0);
}

/* 提示文字 - 固定在最上层，mix-blend-mode自动根据背景反色 */
.innerworld-hint {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100000;
    font-size: 1.5rem;
    font-weight: bold;
    pointer-events: none;
    white-space: nowrap;
    mix-blend-mode: difference;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    opacity: 0;
    animation: hintFadeInOut 1.5s ease-in-out;
}

@keyframes hintFadeInOut {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.95); }
    15% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    70% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(0.95); }
}

/* 页面内容模糊 - 直接应用到主容器，渐进动画 */
.innerworld-blur-active {
    filter: blur(5px) !important;
    transition: filter 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 页面震动效果 */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-3px); }
    20%, 40%, 60%, 80% { transform: translateX(3px); }
}

body.innerworld-animating {
    overflow: hidden;
    animation: shake 0.8s ease-in-out;
}

/* 标题触发器样式 */
#home-title-trigger {
    cursor: pointer;
    transition: opacity 0.3s ease;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

#home-title-trigger:hover {
    opacity: 0.7;
}

/* 里世界页面进入欢迎动画 */
.innerworld-welcome {
    animation: innerworldFadeIn 1.5s ease-out;
}

@keyframes innerworldFadeIn {
    from {
        opacity: 0;
        filter: brightness(0) contrast(1.2);
    }
    to {
        opacity: 1;
        filter: brightness(1) contrast(1);
    }
}

/* 未授权提示 */
.innerworld-unauthorized {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: 2rem;
}

.innerworld-unauthorized h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #dc3545;
}

.innerworld-unauthorized p {
    font-size: 1.2rem;
    margin: 0.5rem 0;
    color: #6c757d;
}

/* 过期提示 */
.innerworld-expired {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: 2rem;
}

.innerworld-expired h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #fd7e14;
}

.innerworld-expired p {
    font-size: 1.2rem;
    margin: 0.5rem 0;
    color: #6c757d;
}