/**
 * Cuori Online - Animazioni
 * Animazioni fluide e transizioni
 */

/* ============================================
   ANIMAZIONI DI BASE
   ============================================ */

/* Fade In */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Left */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade In Right */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Slide Up */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide Down */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   ANIMAZIONI SPECIALI
   ============================================ */

/* Cuore che batte */
@keyframes heartbeat {
    0% { transform: scale(1); }
    14% { transform: scale(1.1); }
    28% { transform: scale(1); }
    42% { transform: scale(1.1); }
    70% { transform: scale(1); }
}

/* Pulse */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

/* Pulse Ring */
@keyframes pulseRing {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

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

/* Float Rotate */
@keyframes floatRotate {
    0%, 100% { 
        transform: translateY(0) rotate(0deg); 
    }
    25% { 
        transform: translateY(-5px) rotate(2deg); 
    }
    50% { 
        transform: translateY(0) rotate(0deg); 
    }
    75% { 
        transform: translateY(5px) rotate(-2deg); 
    }
}

/* Shine */
@keyframes shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Glow */
@keyframes glow {
    0%, 100% { 
        box-shadow: 0 0 5px rgba(108, 99, 255, 0.5),
                    0 0 10px rgba(108, 99, 255, 0.3),
                    0 0 15px rgba(108, 99, 255, 0.1);
    }
    50% { 
        box-shadow: 0 0 10px rgba(108, 99, 255, 0.8),
                    0 0 20px rgba(108, 99, 255, 0.5),
                    0 0 30px rgba(108, 99, 255, 0.3);
    }
}

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

/* Bounce */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-20px); }
    60% { transform: translateY(-10px); }
}

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

/* ============================================
   CLASSI DI ANIMAZIONE
   ============================================ */

.animate-fadeIn { animation: fadeIn 0.5s ease forwards; }
.animate-fadeInUp { animation: fadeInUp 0.5s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.5s ease forwards; }
.animate-fadeInLeft { animation: fadeInLeft 0.5s ease forwards; }
.animate-fadeInRight { animation: fadeInRight 0.5s ease forwards; }
.animate-scaleIn { animation: scaleIn 0.5s ease forwards; }
.animate-slideUp { animation: slideUp 0.5s ease forwards; }
.animate-slideDown { animation: slideDown 0.5s ease forwards; }

.animate-heartbeat { animation: heartbeat 2s ease-in-out infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-glow { animation: glow 2s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s ease-in-out infinite; }
.animate-shake { animation: shake 0.5s ease-in-out; }

/* Delay */
.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; }
.delay-6 { animation-delay: 0.6s; }

/* ============================================
   TRANSIONI
   ============================================ */

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

.transition-slide {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.transition-scale {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

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

/* ============================================
   EFFETTI HOVER
   ============================================ */

/* Hover Lift */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Hover Scale */
.hover-scale {
    transition: transform 0.3s ease;
}

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

/* Hover Glow */
.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(108, 99, 255, 0.5);
}

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children animation */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.5s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.7s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.8s; }

/* ============================================
   EFFETTI SPECIALI
   ============================================ */

/* Gradient Text Animation */
.gradient-text-animated {
    background: linear-gradient(90deg, var(--primary), var(--accent-purple), var(--accent-pink), var(--primary));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientMove 5s ease infinite;
}

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

/* Border Gradient */
.border-gradient {
    position: relative;
}

.border-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Neon Text */
.neon-text {
    text-shadow: 0 0 10px currentColor,
                 0 0 20px currentColor,
                 0 0 30px currentColor;
}

/* Neon Border */
.neon-border {
    box-shadow: 0 0 5px rgba(108, 99, 255, 0.5),
                0 0 10px rgba(108, 99, 255, 0.3),
                inset 0 0 5px rgba(108, 99, 255, 0.1);
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Blur Load */
.blur-load {
    filter: blur(10px);
    transition: filter 0.3s ease;
}

.blur-load.loaded {
    filter: blur(0);
}

/* ============================================
   UTILITÀ ANIMAZIONE
   ============================================ */

.invisible { visibility: hidden; }
.visible { visibility: visible; }

.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-auto { overflow: auto; }

/* Transizioni smooth per elementi specifici */
a, button, input, select, textarea {
    transition: all 0.2s ease;
}

/* Focus States */
input:focus, select:focus, textarea:focus {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Hover States */
.btn:hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Page Transitions */
.page-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.page-leave {
    opacity: 1;
}

.page-leave-active {
    opacity: 0;
    transition: opacity 0.3s ease;
}