/*D:\www\GEDService\PortalCliente\main\static\css\button.css*/

/* === BOTÃO PRINCIPAL === */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border-radius: var(--radius-full);
    color: var(--button-text-color);
    text-transform: uppercase;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.8px;
    transition: transform var(--transition-base),
                box-shadow var(--transition-base),
                background var(--transition-base);
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-decoration: none;
    background: var(--gradient-button);
    box-shadow: var(--shadow-sm);
    border: none;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* Camada de fundo com gradiente hover */
.button:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
        var(--button-hover-bg-color) 0%,
        var(--button-hover-overlay-color) 100%);
    border-radius: var(--radius-full);
    z-index: -2;
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* Camada de overlay do hover */
.button:before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.2) 50%,
        transparent 100%);
    transition: width var(--transition-slow);
    border-radius: var(--radius-full);
    z-index: -1;
}

/* Estados de hover */
.button:hover {
    color: var(--button-text-hover-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.button:hover:after {
    opacity: 1;
}

.button:hover:before {
    width: 100%;
}

/* Estado de active/pressed */
.button:active {
    transform: translateY(0) scale(0.98);
    box-shadow: var(--shadow-xs);
    transition-duration: 100ms;
}

/* Efeito ripple (Material Design) */
.button .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    animation: ripple-animation 600ms ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Ícone PDF */
.button .pdf-icon {
    margin-left: 8px;
    font-size: 18px;
    transition: transform var(--transition-base);
}

.button:hover .pdf-icon {
    transform: translateX(2px);
}

/* Container de botão */
.button-container {
    text-align: right;
    margin-top: 10px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* Variantes de botão */
.button.button-secondary {
    background: var(--button-bg);
    color: var(--button-text);
    border: 2px solid var(--search-border);
}

.button.button-secondary:hover {
    background: var(--search-bg);
    border-color: var(--link-color);
}

.button.button-outline {
    background: transparent;
    color: var(--link-color);
    border: 2px solid var(--link-color);
}

.button.button-outline:hover {
    background: var(--link-color);
    color: #ffffff;
}

.button.button-danger {
    background: linear-gradient(135deg,
        var(--alert-color) 0%,
        #c82333 100%);
}

.button.button-danger:hover {
    box-shadow: 0 8px 16px rgba(220, 53, 69, 0.3);
}

/* Botão desabilitado */
.button:disabled,
.button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
    pointer-events: none;
}

/* Estado de foco para acessibilidade */
.button:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus), var(--shadow-sm);
}

/* Dark mode */
[data-theme="dark"] .button {
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .button:hover {
    box-shadow: 0 8px 16px rgba(77, 154, 255, 0.4);
}

[data-theme="dark"] .button.button-secondary {
    background: var(--filters-bg);
    border-color: #333333;
}

[data-theme="dark"] .button.button-secondary:hover {
    border-color: var(--link-color);
}

/* === RESPONSIVO === */
@media (max-width: 768px) {
    .button {
        font-size: 13px;
        padding: 10px 24px;
        letter-spacing: 0.6px;
    }

    .button .pdf-icon {
        font-size: 16px;
        margin-left: 6px;
    }

    .button-container {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .button {
        font-size: 12px;
        padding: 8px 20px;
        letter-spacing: 0.5px;
    }

    .button .pdf-icon {
        font-size: 14px;
        margin-left: 4px;
    }

    .button-container {
        gap: 8px;
        justify-content: center;
    }
}

/* Desabilitar elevação em dispositivos touch */
@media (hover: none) and (pointer: coarse) {
    .button:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }

    .button:active {
        background: var(--button-hover-overlay-color);
        transform: scale(0.98);
    }
}

/* === MOTION REDUCE === */
@media (prefers-reduced-motion: reduce) {
    .button,
    .button:before,
    .button:after,
    .button .pdf-icon {
        transition: none;
    }

    .button:hover {
        transform: none;
    }

    .button .ripple {
        animation: none;
    }
}