/* ===================================
   FADE IN ANIMATIONS
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

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

/* ===================================
   UTILITY ANIMATION CLASSES
   =================================== */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

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

.animate-fade-in-scale {
    animation: fadeInScale 0.6s ease-out;
}

.animation-delay-1 {
    animation-delay: 0.1s;
}

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

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

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

/* ===================================
   PULSE & BOUNCE
   =================================== */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {

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

    50% {
        transform: translateY(-10px);
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

/* ===================================
   HOVER EFFECTS
   =================================== */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-glow {
    position: relative;
    transition: all var(--transition-base);
}

.hover-glow::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: inherit;
    opacity: 0;
    filter: blur(20px);
    transition: opacity var(--transition-base);
    z-index: -1;
}

.hover-glow:hover::before {
    opacity: 0.6;
}

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

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

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

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

/* ===================================
   SHIMMER EFFECT
   =================================== */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(90deg,
            var(--color-bg-tertiary) 0%,
            var(--color-bg-secondary) 50%,
            var(--color-bg-tertiary) 100%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ===================================
   GRADIENT ANIMATION
   =================================== */
@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.gradient-animated {
    background-size: 200% 200%;
    animation: gradientMove 3s ease infinite;
}

/* ===================================
   SLIDE ANIMATIONS
   =================================== */
@keyframes slideInFromBottom {
    from {
        transform: translateY(100%);
        opacity: 0;
    }

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

@keyframes slideInFromTop {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

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

.animate-slide-in-bottom {
    animation: slideInFromBottom 0.5s ease-out;
}

.animate-slide-in-top {
    animation: slideInFromTop 0.5s ease-out;
}

/* ===================================
   TYPING INDICATOR
   =================================== */
@keyframes typing {

    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-10px);
    }
}

.typing-indicator {
    display: flex;
    gap: 4px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

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

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

/* ===================================
   PROGRESS LOADING
   =================================== */
@keyframes progressLoad {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(400%);
    }
}

.loading-bar {
    position: relative;
    overflow: hidden;
    height: 4px;
    background: var(--color-bg-tertiary);
}

.loading-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 25%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    animation: progressLoad 1.5s infinite;
}

/* ===================================
   RIPPLE EFFECT
   =================================== */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }

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

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

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    width: 20px;
    height: 20px;
    margin-top: -10px;
    margin-left: -10px;
    animation: ripple 0.6s;
}

/* ===================================
   SKELETON LOADING
   =================================== */
.skeleton {
    background: linear-gradient(90deg,
            var(--color-bg-tertiary) 25%,
            var(--color-bg-secondary) 50%,
            var(--color-bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 2em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-card {
    height: 200px;
}

/* ===================================
   NOTIFICATIONS SLIDE
   =================================== */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

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

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

    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.notification-enter {
    animation: slideInRight 0.3s ease-out;
}

.notification-exit {
    animation: slideOutRight 0.3s ease-in;
}

/* ===================================
   SCROLL REVEAL
   =================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   RESPONSIVE ANIMATIONS
   =================================== */
@media (prefers-reduced-motion: reduce) {

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