/* ============================================================
   BOTÕES TECH/FUTURISTAS (prefixo whw)
   ============================================================ */

/* ----- BASE DOS BOTÕES ----- */
.whw-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-8);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    border: none;
    border-radius: 4px; /* base retangular com leve arredondamento */
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    background: transparent;
    color: var(--color-text-primary);
    overflow: hidden;
    z-index: 1;
    min-width: 140px;
    min-height: 48px;
}

/* Efeito de reflexo/brilho */
.whw-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        135deg,
        transparent 0%,
        rgba(255, 255, 255, 0.05) 30%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.05) 70%,
        transparent 100%
    );
    transform: rotate(25deg) translateX(-100%);
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    z-index: 0;
}
.whw-btn:hover::before {
    transform: rotate(25deg) translateX(100%);
}

/* Camada de fundo com borda animada */
.whw-btn::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 6px;
    padding: 2px;
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        var(--color-primary) 20%,
        var(--color-accent) 40%,
        var(--color-primary-light) 60%,
        var(--color-accent) 80%,
        transparent 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: -1;
    animation: whw-btn-border-spin 4s linear infinite;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}
.whw-btn:hover::after {
    opacity: 1;
    animation-duration: 2s;
}

@keyframes whw-btn-border-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Conteúdo do botão (acima das camadas) */
.whw-btn .whw-btn-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.whw-btn .whw-btn-content i {
    font-size: var(--font-size-md);
    transition: transform var(--transition-base);
}
.whw-btn:hover .whw-btn-content i {
    transform: translateX(4px) scale(1.05);
}

/* ----- BOTÃO PRIMÁRIO (sólido) ----- */
.whw-btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 0 20px rgba(3, 102, 214, 0.15), inset 0 0 20px rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.whw-btn-primary::after {
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        #fff 20%,
        var(--color-accent) 40%,
        #fff 60%,
        var(--color-accent) 80%,
        transparent 100%
    );
    opacity: 0.3;
}
.whw-btn-primary:hover,
.whw-btn-primary:focus{
    background: var(--color-primary-hover);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 40px rgba(3, 102, 214, 0.25), inset 0 0 30px rgba(255, 255, 255, 0.04);
}
.whw-btn-primary:hover::after {
    opacity: 0.6;
}

/* ----- BOTÃO SECUNDÁRIO (outline com brilho) ----- */
.whw-btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    box-shadow: 0 0 20px rgba(3, 102, 214, 0.02);
}
.whw-btn-secondary::after {
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        var(--color-primary) 20%,
        var(--color-accent) 40%,
        var(--color-primary-light) 60%,
        var(--color-accent) 80%,
        transparent 100%
    );
    opacity: 0.4;
}
.whw-btn-secondary:hover,
.whw-btn-secondary:focus{
    background: rgba(3, 102, 214, 0.03);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 40px rgba(3, 102, 214, 0.08), inset 0 0 30px rgba(3, 102, 214, 0.02);
}
.whw-btn-secondary:hover::after {
    opacity: 0.8;
}
.whw-btn-secondary .whw-btn-content {
    color: var(--color-primary);
}

/* ----- BOTÃO OUTLINE (versão puramente outline) ----- */
.whw-btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    box-shadow: none;
}
.whw-btn-outline::after {
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        var(--color-primary) 20%,
        var(--color-accent) 40%,
        var(--color-primary-light) 60%,
        var(--color-accent) 80%,
        transparent 100%
    );
    opacity: 0.1;
    animation-duration: 6s;
}
.whw-btn-outline:hover {
    background: var(--color-bg-card);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 40px rgba(3, 102, 214, 0.02);
}
.whw-btn-outline:hover::after {
    opacity: 0.3;
    animation-duration: 3s;
}
.whw-btn-outline .whw-btn-content {
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}
.whw-btn-outline:hover .whw-btn-content {
    color: var(--color-primary);
}

/* ----- BOTÃO ACCENT (destaque com verde) ----- */
.whw-btn-accent {
    background: var(--color-accent);
    color: var(--color-bg);
    box-shadow: 0 0 30px rgba(102, 255, 204, 0.1), inset 0 0 30px rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.whw-btn-accent::after {
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        #fff 20%,
        var(--color-primary) 40%,
        #fff 60%,
        var(--color-primary) 80%,
        transparent 100%
    );
    opacity: 0.2;
}
.whw-btn-accent:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 40px rgba(102, 255, 204, 0.2);
}
.whw-btn-accent:hover::after {
    opacity: 0.4;
}

/* ----- BOTÃO GHOST (transparente, sem borda) ----- */
.whw-btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
    box-shadow: none;
    padding: var(--spacing-2) var(--spacing-4);
    min-width: auto;
    min-height: auto;
}
.whw-btn-ghost::after {
    display: none;
}
.whw-btn-ghost::before {
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.02) 50%, transparent 100%);
    transform: translateX(-100%);
}
.whw-btn-ghost:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}
.whw-btn-ghost:hover::before {
    transform: translateX(100%);
}
.whw-btn-ghost .whw-btn-content i {
    font-size: var(--font-size-md);
    color: var(--color-primary);
    opacity: 0.5;
    transition: opacity var(--transition-base);
}
.whw-btn-ghost:hover .whw-btn-content i {
    opacity: 1;
}

/* ----- TAMANHOS ----- */
.whw-btn-sm {
    padding: var(--spacing-2) var(--spacing-5);
    min-height: 36px;
    font-size: var(--font-size-xs);
    min-width: 100px;
}
.whw-btn-sm .whw-btn-content i {
    font-size: var(--font-size-sm);
}

.whw-btn-lg {
    padding: var(--spacing-4) var(--spacing-12);
    min-height: 56px;
    font-size: var(--font-size-md);
    min-width: 180px;
}
.whw-btn-lg .whw-btn-content i {
    font-size: var(--font-size-lg);
}

/* ----- ESTADO DISABLED ----- */
.whw-btn:disabled,
.whw-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
    pointer-events: none;
}
.whw-btn:disabled::after,
.whw-btn.disabled::after {
    animation-play-state: paused;
}
.whw-btn:disabled::before,
.whw-btn.disabled::before {
    display: none;
}

/* ----- VARIAÇÃO DE COR (para uso em temas escuros) ----- */
[data-theme="dark"] .whw-btn-primary {
    box-shadow: 0 0 30px rgba(3, 102, 214, 0.1), inset 0 0 30px rgba(255, 255, 255, 0.02);
}
[data-theme="dark"] .whw-btn-secondary {
    color: var(--color-primary-light);
    border-color: rgba(3, 102, 214, 0.3);
}
[data-theme="dark"] .whw-btn-secondary:hover {
    background: rgba(3, 102, 214, 0.05);
}
[data-theme="dark"] .whw-btn-outline {
    border-color: rgba(255, 255, 255, 0.04);
    color: var(--color-text-secondary);
}
[data-theme="dark"] .whw-btn-outline:hover {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(3, 102, 214, 0.1);
}
[data-theme="dark"] .whw-btn-ghost {
    color: var(--color-text-secondary);
}
[data-theme="dark"] .whw-btn-ghost:hover {
    color: var(--color-primary-light);
}