/* 額外動畫效果 CSS */

/* 淡入動畫 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 從下方淡入 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 從左側滑入 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 從右側滑入 */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 放大淡入 */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 旋轉淡入 */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.9);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

/* 心跳動畫 */
@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20%, 40% {
        transform: scale(1);
    }
}

/* 搖擺動畫 */
@keyframes swing {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(5deg);
    }
    75% {
        transform: rotate(-5deg);
    }
}

/* 彈跳動畫 */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 光暈效果 */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(255, 152, 0, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 152, 0, 0.8);
    }
}

/* 波紋效果 */
@keyframes ripple {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(2.4);
        opacity: 0;
    }
}

/* 閃爍效果 */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* 漸變背景動畫 */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 應用動畫的工具類 */
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-slide-left {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slide-right {
    animation: slideInRight 0.8s ease-out;
}

.animate-zoom-in {
    animation: zoomIn 0.6s ease-out;
}

.animate-rotate-in {
    animation: rotateIn 0.8s ease-out;
}

.animate-heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

.animate-swing {
    animation: swing 2s ease-in-out infinite;
}

.animate-bounce {
    animation: bounce 2s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* 延遲動畫 */
.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}

.delay-5 {
    animation-delay: 0.5s;
}

/* 滾動觸發動畫 */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.scroll-animate.active {
    opacity: 1;
    transform: translateY(0);
}

/* 懸停效果增強 */
.hover-lift {
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-rotate {
    transition: transform 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* 漸層按鈕動畫 */
.gradient-button {
    background: linear-gradient(45deg, #ff9800, #f57c00, #ff9800);
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

/* 浮動元素 */
.floating {
    animation: float 6s ease-in-out infinite;
}

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

/* 卡片翻轉效果 */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* 進度條動畫 */
.progress-bar-animated .progress-fill {
    animation: progressAnimation 2s ease-out;
}

@keyframes progressAnimation {
    from {
        width: 0;
    }
}

/* 文字打字效果 */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.typewriter {
    overflow: hidden;
    white-space: nowrap;
    animation: typing 3s steps(40, end);
}

/* 彩虹邊框 */
@keyframes rainbowBorder {
    0% {
        border-color: #ff0000;
    }
    16% {
        border-color: #ff9800;
    }
    33% {
        border-color: #ffeb3b;
    }
    50% {
        border-color: #4caf50;
    }
    66% {
        border-color: #2196f3;
    }
    83% {
        border-color: #9c27b0;
    }
    100% {
        border-color: #ff0000;
    }
}

.rainbow-border {
    border: 3px solid;
    animation: rainbowBorder 3s linear infinite;
}

/* 粒子背景效果 */
.particle-bg::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 152, 0, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: particleMove 20s linear infinite;
}

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