/* TK AI视频生成平台 - 动画效果 */

/* ===== 淡入上升 ===== */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.animate-fade-up.delay-1 { animation-delay: 0.1s; }
.animate-fade-up.delay-2 { animation-delay: 0.2s; }
.animate-fade-up.delay-3 { animation-delay: 0.3s; }
.animate-fade-up.delay-4 { animation-delay: 0.4s; }
.animate-fade-up.delay-5 { animation-delay: 0.5s; }

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

/* ===== 滑入 ===== */
.animate-slide-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-slide-up.delay-1 { transition-delay: 0.1s; }
.animate-slide-up.delay-2 { transition-delay: 0.2s; }
.animate-slide-up.delay-3 { transition-delay: 0.3s; }
.animate-slide-up.delay-4 { transition-delay: 0.4s; }
.animate-slide-up.delay-5 { transition-delay: 0.5s; }

/* ===== 浮动动画 ===== */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===== 脉冲动画 ===== */
.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ===== 进度条动画 ===== */
.progress-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-full);
    transition: width 0.5s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ===== 缩放动画 ===== */
.animate-scale {
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== 摇晃动画 ===== */
.animate-shake {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ===== 旋转加载 ===== */
.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ===== 弹跳动画 ===== */
.animate-bounce {
    animation: bounce 1s ease infinite;
}

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

/* ===== 闪烁动画 ===== */
.animate-blink {
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* ===== 渐变流动 ===== */
.animate-gradient {
    background-size: 200% 200%;
    animation: gradientFlow 3s ease infinite;
}

@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ===== 波纹效果 ===== */
.ripple {
    position: relative;
    overflow: hidden;
}

.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;
}

.ripple:active::after {
    width: 200%;
    height: 200%;
}

/* ===== 视频生成进度动画 ===== */
.generating-animation {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.generating-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 3px solid transparent;
}

.generating-circle:nth-child(1) {
    width: 100%;
    height: 100%;
    border-top-color: var(--primary);
    animation: spin 1.5s linear infinite;
}

.generating-circle:nth-child(2) {
    width: 75%;
    height: 75%;
    border-right-color: var(--accent);
    animation: spin 2s linear infinite reverse;
}

.generating-circle:nth-child(3) {
    width: 50%;
    height: 50%;
    border-bottom-color: var(--primary-light);
    animation: spin 2.5s linear infinite;
}

.generating-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    animation: pulse 2s ease-in-out infinite;
}

/* ===== 粒子背景 ===== */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.5;
    animation: particleFloat 15s infinite linear;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* ===== 打字机效果 ===== */
.typewriter {
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid var(--primary);
    animation: 
        typing 3s steps(30) 1s forwards,
        blinkCursor 0.75s step-end infinite;
}

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

@keyframes blinkCursor {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--primary);
    }
}

/* ===== 成功动画 ===== */
.success-checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    border-radius: 50%;
    background: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleIn 0.5s ease;
}

.success-checkmark::after {
    content: '✓';
    font-size: 40px;
    color: white;
    animation: fadeUp 0.3s ease 0.2s forwards;
    opacity: 0;
}

/* ===== 失败动画 ===== */
.error-cross {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    border-radius: 50%;
    background: var(--error);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleIn 0.5s ease, shake 0.5s ease 0.5s;
}

.error-cross::after {
    content: '✕';
    font-size: 40px;
    color: white;
}

/* ===== 骨架屏加载 ===== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 25%,
        var(--bg-card-hover) 50%,
        var(--bg-card) 75%
    );
    background-size: 200% 100%;
    animation: skeletonLoading 1.5s infinite;
    border-radius: var(--border-radius);
}

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

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 16px;
}

.skeleton-image {
    aspect-ratio: 16/9;
}

/* ===== 霓虹发光效果 ===== */
.neon-glow {
    text-shadow: 
        0 0 10px var(--primary),
        0 0 20px var(--primary),
        0 0 40px var(--primary),
        0 0 80px var(--primary);
    animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% {
        text-shadow: 
            0 0 10px var(--primary),
            0 0 20px var(--primary),
            0 0 40px var(--primary);
    }
    50% {
        text-shadow: 
            0 0 20px var(--primary),
            0 0 40px var(--primary),
            0 0 80px var(--primary);
    }
}

/* ===== 页面切换动画 ===== */
.page-enter {
    animation: pageEnter 0.4s ease;
}

@keyframes pageEnter {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-leave {
    animation: pageLeave 0.3s ease;
}

@keyframes pageLeave {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}