/* ==================== ANIMATIONS ==================== */

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

/* Slide Up */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.animate-slide-up {
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.delay-1 {
    animation-delay: 0.05s;
    animation-fill-mode: backwards;
}

.delay-2 {
    animation-delay: 0.1s;
    animation-fill-mode: backwards;
}

.delay-3 {
    animation-delay: 0.15s;
    animation-fill-mode: backwards;
}

.delay-4 {
    animation-delay: 0.2s;
    animation-fill-mode: backwards;
}

.delay-5 {
    animation-delay: 0.25s;
    animation-fill-mode: backwards;
}

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-scale-in {
    animation: scaleIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Bounce In */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.95);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-bounce-in {
    animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Shake */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-6px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(6px);
    }
}

.animate-shake {
    animation: shake 0.5s cubic-bezier(.36, .07, .19, .97) both;
}

/* Pulse */
@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

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

/* Ripple Effect */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 0.5;
    }

    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    width: 20px;
    height: 20px;
    pointer-events: none;
    animation: ripple 0.5s ease-out;
}

/* Skeleton Loading */
@keyframes skeleton {
    0% {
        background-position: -200px 0;
    }

    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-surface) 50%, var(--bg-tertiary) 75%);
    background-size: 200px 100%;
    animation: skeleton 1.2s ease-in-out infinite;
    border-radius: 10px;
}

/* Screen Transitions */
.screen-slide-in {
    animation: screenSlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes screenSlideIn {
    from {
        opacity: 0;
        transform: translateX(60px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.screen-slide-out {
    animation: screenSlideOut 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes screenSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(-60px);
    }
}

/* Modal/Sheet Animations */
@keyframes sheetSlideUp {
    from {
        opacity: 0;
        transform: translateY(100%);
    }

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

.animate-sheet-slide-up {
    animation: sheetSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes backdropFade {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.animate-backdrop-fade {
    animation: backdropFade 0.25s ease-out;
}

/* Pulse Ring */
@keyframes pulse-ring {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

/* Spin */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

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

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* GPU Acceleration */
.gpu-accelerated {
    transform: translateZ(0);
    will-change: transform, opacity;
}