/* 二次元可爱动画效果 */

@keyframes trailFade {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
}

@keyframes fadeOut {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes fireworkEffect {
    0% {
        transform: scale(0) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.5) rotate(180deg);
        opacity: 0.8;
    }
    100% {
        transform: scale(0) rotate(360deg);
        opacity: 0;
    }
}

@keyframes loveFloat {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

@keyframes snowFall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* 加载动画样式 */
.loading-content {
    text-align: center;
    color: white;
}

.loading-character {
    font-size: 4rem;
    animation: kawaii-bounce 1s infinite;
    margin-bottom: 1rem;
}

.loading-text {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.loading-progress {
    width: 200px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    overflow: hidden;
    margin: 0 auto;
}

.progress-bar {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, #fff, #ff6b9d);
    border-radius: 10px;
    animation: progressFill 2s ease-in-out forwards;
}

@keyframes progressFill {
    0% {
        width: 0;
    }
    100% {
        width: 100%;
    }
}

/* 可爱的按钮点击效果 */
.btn-kawaii {
    position: relative;
    overflow: hidden;
}

.btn-kawaii::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-kawaii:active::before {
    width: 300px;
    height: 300px;
}

/* 可爱的输入框聚焦效果 */
.input-kawaii {
    position: relative;
}

.input-kawaii::after {
    content: '✨';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.3s ease;
}

.input-kawaii:focus-within::after {
    opacity: 1;
    animation: sparkle 1s infinite;
}

/* 可爱的卡片悬停效果 */
.card-kawaii {
    position: relative;
    overflow: hidden;
}

.card-kawaii::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 107, 157, 0.1), transparent);
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

.card-kawaii:hover::before {
    opacity: 1;
}

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

/* 可爱的文字打字机效果 */
.typewriter {
    overflow: hidden;
    border-right: 3px solid var(--cute-pink);
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--cute-pink);
    }
}

/* 可爱的通知样式 */
.notification-kawaii {
    background: linear-gradient(135deg, var(--cute-pink), var(--cute-blue));
    border: 3px solid white;
    border-radius: 20px;
    color: white;
    padding: 15px 20px;
    box-shadow: 0 8px 32px rgba(255, 107, 157, 0.3);
    position: relative;
    overflow: hidden;
}

.notification-kawaii::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* 可爱的加载骨架屏 */
.skeleton-kawaii {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    border-radius: 10px;
}

@keyframes loading-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* 可爱的标签云效果 */
.tag-cloud-kawaii .tag {
    animation: float-tag 3s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.1s);
}

@keyframes float-tag {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(5deg);
    }
}

/* 可爱的进度条 */
.progress-kawaii {
    background: linear-gradient(90deg, var(--cute-pink), var(--cute-blue), var(--cute-purple));
    background-size: 200% 100%;
    animation: progress-rainbow 2s linear infinite;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.progress-kawaii::after {
    content: '✨';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-weight: bold;
}

@keyframes progress-rainbow {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}