/* 💙 HeartTime - Material Design 3 Animations */

/* ===== M3 Animation System ===== */

/* Base animation classes */
.m3-animate {
    transition: all var(--m3-motion-duration-medium2) var(--m3-motion-easing-standard);
}

.m3-animate-fast {
    transition: all var(--m3-motion-duration-short4) var(--m3-motion-easing-standard);
}

.m3-animate-slow {
    transition: all var(--m3-motion-duration-long2) var(--m3-motion-easing-standard);
}

/* ===== Ripple Effect Animation ===== */

@keyframes m3-ripple {
    0% {
        transform: scale(0);
        opacity: 0.6;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.m3-ripple-effect {
    position: relative;
    overflow: hidden;
}

.m3-ripple-effect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: translate(-50%, -50%);
    transition: width var(--m3-motion-duration-medium2) var(--m3-motion-easing-standard),
                height var(--m3-motion-duration-medium2) var(--m3-motion-easing-standard);
}

.m3-ripple-effect:active::before {
    width: 300px;
    height: 300px;
}

/* ===== Elevation Animation ===== */

.m3-elevation-animate {
    transition: box-shadow var(--m3-motion-duration-short4) var(--m3-motion-easing-standard);
}

.m3-elevation-animate:hover {
    box-shadow: var(--m3-elevation-level2);
}

.m3-elevation-animate:active {
    box-shadow: var(--m3-elevation-level1);
}

/* ===== Scale Animation ===== */

@keyframes m3-scale-in {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes m3-scale-out {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(0.8);
        opacity: 0;
    }
}

.m3-scale-in {
    animation: m3-scale-in var(--m3-motion-duration-medium2) var(--m3-motion-easing-emphasized);
}

.m3-scale-out {
    animation: m3-scale-out var(--m3-motion-duration-medium1) var(--m3-motion-easing-emphasized);
}

/* ===== Slide Animation ===== */

@keyframes m3-slide-up {
    0% {
        transform: translateY(100%);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes m3-slide-down {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(100%);
        opacity: 0;
    }
}

.m3-slide-up {
    animation: m3-slide-up var(--m3-motion-duration-medium3) var(--m3-motion-easing-emphasized);
}

.m3-slide-down {
    animation: m3-slide-down var(--m3-motion-duration-medium2) var(--m3-motion-easing-emphasized);
}

/* ===== Fade Animation ===== */

@keyframes m3-fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes m3-fade-out {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

.m3-fade-in {
    animation: m3-fade-in var(--m3-motion-duration-medium2) var(--m3-motion-easing-standard);
}

.m3-fade-out {
    animation: m3-fade-out var(--m3-motion-duration-medium1) var(--m3-motion-easing-standard);
}

/* ===== Rotation Animation ===== */

@keyframes m3-rotate-45 {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(45deg);
    }
}

@keyframes m3-rotate-back {
    0% {
        transform: rotate(45deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

.m3-rotate-45 {
    animation: m3-rotate-45 var(--m3-motion-duration-medium2) var(--m3-motion-easing-standard);
    transform: rotate(45deg);
}

.m3-rotate-back {
    animation: m3-rotate-back var(--m3-motion-duration-medium2) var(--m3-motion-easing-standard);
    transform: rotate(0deg);
}

/* ===== Loading Animation ===== */

@keyframes m3-loading-spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.m3-loading {
    animation: m3-loading-spin 1s linear infinite;
}

/* ===== Pulse Animation ===== */

@keyframes m3-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.m3-pulse {
    animation: m3-pulse 2s ease-in-out infinite;
}

/* ===== Bounce Animation ===== */

@keyframes m3-bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

.m3-bounce {
    animation: m3-bounce var(--m3-motion-duration-long4) var(--m3-motion-easing-emphasized);
}

/* ===== State Change Animations ===== */

.m3-state-change {
    transition: all var(--m3-motion-duration-short4) var(--m3-motion-easing-standard);
}

/* Focus animations */
.m3-focus-animate:focus {
    transform: scale(1.02);
    transition: transform var(--m3-motion-duration-short2) var(--m3-motion-easing-standard);
}

/* Hover animations */
.m3-hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--m3-elevation-level3);
    transition: all var(--m3-motion-duration-short4) var(--m3-motion-easing-standard);
}

/* Active animations */
.m3-active-press:active {
    transform: scale(0.98);
    transition: transform var(--m3-motion-duration-short1) var(--m3-motion-easing-standard);
}

/* ===== Page Transition Animations ===== */

@keyframes m3-page-enter {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes m3-page-exit {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-100%);
        opacity: 0;
    }
}

.m3-page-enter {
    animation: m3-page-enter var(--m3-motion-duration-medium4) var(--m3-motion-easing-emphasized);
}

.m3-page-exit {
    animation: m3-page-exit var(--m3-motion-duration-medium3) var(--m3-motion-easing-emphasized);
}

/* ===== Reduced Motion Support ===== */

@media (prefers-reduced-motion: reduce) {
    .m3-animate,
    .m3-animate-fast,
    .m3-animate-slow,
    .m3-elevation-animate,
    .m3-state-change,
    .m3-focus-animate:focus,
    .m3-hover-lift:hover,
    .m3-active-press:active {
        transition: none;
    }
    
    .m3-scale-in,
    .m3-scale-out,
    .m3-slide-up,
    .m3-slide-down,
    .m3-fade-in,
    .m3-fade-out,
    .m3-rotate-45,
    .m3-rotate-back,
    .m3-bounce,
    .m3-page-enter,
    .m3-page-exit {
        animation: none;
    }
    
    .m3-loading {
        animation: none;
    }
    
    .m3-pulse {
        animation: none;
        opacity: 1;
    }
}