/* ============================================
   ANIMAÇÕES E TRANSIÇÕES GLOBAIS
   ============================================ */

/* ANIMAÇÕES DE ENTRADA */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    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 scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeInRow {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ANIMAÇÕES DE CARREGAMENTO */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

/* SKELETON SCREENS */
.skeleton {
    animation: pulse 1.5s ease-in-out infinite;
    background: linear-gradient(
        90deg,
        #f0f0f0 0%,
        #e0e0e0 50%,
        #f0f0f0 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
    border-radius: 8px;
}

.skeleton-text {
    height: 12px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 12px;
}

.skeleton-card {
    height: 120px;
    border-radius: 16px;
}

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

/* CLASSES UTILITÁRIAS DE ANIMAÇÃO */
.animate-fade-in {
    animation: fadeIn 0.5s ease;
}

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

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

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

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

.animate-scale-in {
    animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-slide-down {
    animation: slideDown 0.3s ease;
}

/* DELAYS */
.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

.delay-400 {
    animation-delay: 0.4s;
}

/* TRANSIÇÕES SUAVES */
.transition-all {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-transform {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-opacity {
    transition: opacity 0.3s ease;
}

.transition-colors {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* HOVER EFFECTS */
.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

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

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

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

/* BOTÕES COM RIPPLE EFFECT */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    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%);
    transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
}

/* GRADIENTES ANIMADOS */
.gradient-animated {
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #4facfe);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

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

/* SHAKE ANIMATION (para erros) */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

.animate-shake {
    animation: shake 0.5s;
}

/* BOUNCE (para sucesso) */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-bounce {
    animation: bounce 0.6s;
}

/* SMOOTH SCROLL */
html {
    scroll-behavior: smooth;
}

/* LOADING SPINNER */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

/* CARDS COM ELEVAÇÃO */
.card-elevated {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-elevated:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* FOCUS STATES */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
}

/* PARALLAX EFFECT (sutil) */
.parallax {
    transform: translateZ(0);
    will-change: transform;
}

/* PERFORMANCE OPTIMIZATION */
.will-animate {
    will-change: transform, opacity;
}

/* REDUCE MOTION (acessibilidade) */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}