/**
 * 页面转场动画系统
 * Page Transition System
 */

/* 页面进入动画 */
.page-enter {
    animation: pageEnter 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageEnter {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 页面离开动画 */
.page-exit {
    animation: pageExit 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes pageExit {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-20px) scale(0.98);
    }
}

/* 金色光晕转场 */
.gold-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, 
        rgba(212, 175, 55, 0.3) 0%, 
        rgba(212, 175, 55, 0.1) 40%,
        transparent 70%
    );
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.gold-transition-overlay.active {
    opacity: 1;
}

/* 墨迹扩散转场 */
.ink-transition {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--tj-bg-dark) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 9998;
    pointer-events: none;
    transition: width 0.8s ease-out, height 0.8s ease-out;
}

.ink-transition.expanding {
    width: 200vmax;
    height: 200vmax;
}

/* 元素进入动画 - 延迟序列 */
.stagger-enter > * {
    opacity: 0;
    transform: translateY(30px);
    animation: staggerEnter 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.stagger-enter > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-enter > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-enter > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-enter > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-enter > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-enter > *:nth-child(6) { animation-delay: 0.6s; }

@keyframes staggerEnter {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 呼吸发光效果 */
.breathing-glow {
    animation: breathingGlow 4s ease-in-out infinite;
}

@keyframes breathingGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(212, 175, 55, 0.6);
    }
}

/* 文字闪烁效果（用于重点文字） */
.text-shimmer {
    background: linear-gradient(
        90deg,
        var(--tj-gold-primary) 0%,
        #fff 25%,
        var(--tj-gold-primary) 50%,
        #fff 75%,
        var(--tj-gold-primary) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textShimmer 3s linear infinite;
}

@keyframes textShimmer {
    0% { background-position: 200% center; }
    100% { background-position: -200% center; }
}

/* 悬浮动画 */
.levitate {
    animation: levitate 3s ease-in-out infinite;
}

@keyframes levitate {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* 旋转金光环 */
.rotating-glow {
    position: relative;
}

.rotating-glow::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: inherit;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        rgba(212, 175, 55, 0.3) 60deg,
        rgba(212, 175, 55, 0.6) 120deg,
        rgba(212, 175, 55, 0.3) 180deg,
        transparent 240deg
    );
    animation: rotateGlow 4s linear infinite;
    z-index: -1;
}

@keyframes rotateGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 脉动边框 */
.pulse-border {
    position: relative;
}

.pulse-border::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: inherit;
    border: 2px solid var(--tj-gold-primary);
    opacity: 0;
    animation: pulseBorder 2s ease-out infinite;
}

@keyframes pulseBorder {
    0% {
        opacity: 0.8;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(1.1);
    }
}

/* 滚动显示动画 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* 打字机光标 */
.typewriter-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--tj-gold-primary);
    margin-left: 2px;
    vertical-align: middle;
    animation: cursorBlink 1s step-end infinite;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* 墨迹渲染效果 */
.ink-render {
    filter: contrast(120%) brightness(95%);
    animation: inkRender 1s ease-out;
}

@keyframes inkRender {
    0% {
        filter: contrast(150%) brightness(80%) blur(2px);
        opacity: 0.8;
    }
    100% {
        filter: contrast(120%) brightness(95%);
        opacity: 1;
    }
}

/* 纸张展开效果 */
.paper-unfold {
    transform-origin: top center;
    animation: paperUnfold 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes paperUnfold {
    0% {
        transform: perspective(1000px) rotateX(-90deg);
        opacity: 0;
    }
    100% {
        transform: perspective(1000px) rotateX(0);
        opacity: 1;
    }
}

/* 金粉散落效果 */
.gold-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--tj-gold-primary);
    border-radius: 50%;
    pointer-events: none;
    animation: goldFall linear forwards;
}

@keyframes goldFall {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* 按钮点击波纹 */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
}