/* ======================================
   動畫效果 - Rotary Club
   ====================================== */

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

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* ============ 從上淡入 ============ */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-down {
    animation: fadeInDown 0.6s ease-out;
}

/* ============ 從下淡入 ============ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ============ 從左淡入 ============ */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

/* ============ 從右淡入 ============ */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

/* ============ 縮放進入 ============ */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.zoom-in {
    animation: zoomIn 0.5s ease-out;
}

/* ============ 彈跳進入 ============ */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

.bounce-in {
    animation: bounceIn 0.8s ease-out;
}

/* ============ 滑入動畫 ============ */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ============ 旋轉進入 ============ */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-200deg);
    }
    to {
        opacity: 1;
        transform: rotate(0);
    }
}

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

/* ============ 脈衝動畫 ============ */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ============ 搖晃動畫 ============ */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px);
    }
}

.shake {
    animation: shake 0.8s;
}

/* ============ 閃爍動畫 ============ */
@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

.blink {
    animation: blink 1.5s infinite;
}

/* ============ 載入旋轉 ============ */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spin {
    animation: spin 1s linear infinite;
}

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

.gradient-shift {
    background-size: 200% 200%;
    animation: gradientShift 5s ease infinite;
}

/* ============ 浮動動畫 ============ */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* ============ 波紋動畫 ============ */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    animation: ripple 1s;
}

/* ============ 閃光效果 ============ */
@keyframes shine {
    0% {
        left: -100%;
    }
    20%, 100% {
        left: 100%;
    }
}

.shine {
    position: relative;
    overflow: hidden;
}

.shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shine 3s infinite;
}

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

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

/* ============ 擺動動畫 ============ */
@keyframes swing {
    0%, 100% {
        transform: rotate(0deg);
    }
    20% {
        transform: rotate(15deg);
    }
    40% {
        transform: rotate(-10deg);
    }
    60% {
        transform: rotate(5deg);
    }
    80% {
        transform: rotate(-5deg);
    }
}

.swing {
    transform-origin: top center;
    animation: swing 2s ease-in-out infinite;
}

/* ============ 翻轉動畫 ============ */
@keyframes flip {
    from {
        transform: perspective(400px) rotateY(0);
    }
    to {
        transform: perspective(400px) rotateY(360deg);
    }
}

.flip {
    animation: flip 1s;
}

/* ============ 載入點點動畫 ============ */
@keyframes dotPulse {
    0%, 80%, 100% {
        opacity: 0;
    }
    40% {
        opacity: 1;
    }
}

.loading-dots span {
    animation: dotPulse 1.4s infinite;
}

.loading-dots span:nth-child(1) {
    animation-delay: 0s;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

/* ============ 進度條動畫 ============ */
@keyframes progressBar {
    from {
        width: 0%;
    }
    to {
        width: 100%;
    }
}

.progress-animated .progress-bar-custom {
    animation: progressBar 2s ease-in-out;
}

/* ============ 延遲類別 ============ */
.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;
}

/* ============ 持續時間類別 ============ */
.duration-fast {
    animation-duration: 0.3s;
}

.duration-normal {
    animation-duration: 0.5s;
}

.duration-slow {
    animation-duration: 1s;
}

/* ============ Hover 動畫效果 ============ */
.hover-lift:hover {
    transform: translateY(-5px);
    transition: var(--transition-base);
}

.hover-grow:hover {
    transform: scale(1.05);
    transition: var(--transition-base);
}

.hover-shadow:hover {
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
}

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

.hover-brightness:hover {
    filter: brightness(1.1);
    transition: var(--transition-base);
}

/* ============ 無限循環類別 ============ */
.infinite {
    animation-iteration-count: infinite;
}

/* ============ 暫停動畫 ============ */
.paused {
    animation-play-state: paused;
}

/* ============ 反向播放 ============ */
.reverse {
    animation-direction: reverse;
}

/* ============ 交替播放 ============ */
.alternate {
    animation-direction: alternate;
}