/* =====================================================
   BUTTON FIX - Solución para hover pegado
   Optimización de transiciones y estados
   ===================================================== */

/* Reset y fix para todos los botones */
.btn,
button,
[type="button"],
[type="submit"],
.filter-btn,
.nav-link {
    /* Transiciones más cortas y precisas */
    transition: 
        background-color 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease,
        transform 0.15s ease,
        box-shadow 0.2s ease !important;
    
    /* Prevenir delays acumulados */
    transition-delay: 0s !important;
    
    /* Forzar re-render en hover out */
    will-change: auto;
}

/* Hover states optimizados */
.btn:hover,
button:hover,
[type="button"]:hover,
[type="submit"]:hover {
    /* Transiciones inmediatas al salir */
    transition-duration: 0.15s;
}

/* Active states - respuesta instantánea */
.btn:active,
button:active {
    transition-duration: 0.05s;
    transform: scale(0.98);
}

/* Fix específico para botones primary */
.btn-primary {
    background: linear-gradient(135deg, #9B61A4, #b77cc5);
    border: none;
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #6a3b7e, #543062);
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: -1;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    color: #FFFFFF;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.btn-primary:not(:hover)::before {
    opacity: 0;
    transition-duration: 0.15s;
}

/* Fix específico para botones secondary/outline */
.btn-secondary,
.btn-outline {
    background: rgba(4, 199, 170, 0.05);
    border: 2px solid rgba(4, 199, 170, 0.4);
    color: #04C7AA;
    position: relative;
    overflow: hidden;
}

.btn-secondary::before,
.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(4, 199, 170, 0.15), rgba(4, 199, 170, 0.25));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
    z-index: -1;
}

.btn-secondary:hover,
.btn-outline:hover {
    color: #26e0c0;
    border-color: #26e0c0;
}

.btn-secondary:hover::before,
.btn-outline:hover::before {
    transform: scaleX(1);
}

.btn-secondary:not(:hover)::before,
.btn-outline:not(:hover)::before {
    transform: scaleX(0);
    transform-origin: right;
    transition-duration: 0.15s;
}

.btn-secondary:not(:hover),
.btn-outline:not(:hover) {
    color: #04C7AA;
}

/* Fix para filter buttons del portfolio */
.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(155, 97, 164, 0.3);
    color: var(--color-neutral-light);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, #6a3b7e, #7d4a8f);
    transform: translate(-50%, -50%);
    transition: width 0.25s ease, height 0.25s ease;
    z-index: -1;
}

.filter-btn:hover::before {
    width: 300%;
    height: 300%;
}

.filter-btn:not(:hover)::before {
    width: 0;
    height: 0;
    transition-duration: 0.2s;
}

.filter-btn:hover {
    color: #FFFFFF;
    border-color: #9B61A4;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.filter-btn:not(:hover) {
    color: var(--color-neutral-light);
    border-color: rgba(155, 97, 164, 0.3);
    text-shadow: none;
}

.filter-btn.active {
    color: #FFFFFF;
    background: linear-gradient(135deg, #9B61A4, #b77cc5);
    border-color: #9B61A4;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.filter-btn.active::before {
    width: 100%;
    height: 100%;
}

/* Fix para nav links */
.nav-link {
    position: relative;
    color: var(--color-neutral-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #04C7AA;
    transition: width 0.2s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:not(:hover)::after {
    width: 0;
    transition-duration: 0.15s;
}

.nav-link:hover {
    color: #04C7AA;
}

.nav-link:not(:hover) {
    color: var(--color-neutral-light);
}

/* Prevenir flicker en touch devices */
@media (hover: none) {
    .btn::before,
    .filter-btn::before {
        display: none;
    }
    
    .btn:hover,
    .filter-btn:hover {
        transform: none;
    }
}

/* Fix para focus states */
.btn:focus-visible,
button:focus-visible,
.filter-btn:focus-visible {
    outline: 2px solid #b77cc5;
    outline-offset: 2px;
    transition: outline-offset 0.1s ease;
}

/* Disabled state */
.btn:disabled,
button:disabled,
.filter-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled:hover,
button:disabled:hover,
.filter-btn:disabled:hover {
    background: inherit;
    color: inherit;
    border-color: inherit;
    transform: none;
}

/* Fix para mobile - prevenir hover stuck */
@media (pointer: coarse) {
    .btn:hover::before,
    .filter-btn:hover::before {
        transition-duration: 0.1s;
    }
}

/* Performance optimization */
.btn,
.filter-btn,
button {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    user-select: none;
}