/**
 * Meu Kit Ferramentas Pro
 * Módulo: Botões de Navegação e Loader Personalizado
 * Descrição: Estilos para botões de navegação fixos e loader com logo
 * 
 * @package MeuKitFerramentas
 * @since 1.0.0
 */

/* === Botões de Navegação === */
.mkt-nav-buttons-container {
    position: fixed;
    top: 15px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
    z-index: 999;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.mkt-nav-buttons-container.mkt-hidden {
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
}

.mkt-nav-button-group {
    display: flex;
    gap: 10px;
    pointer-events: auto;
}

.mkt-nav-btn {
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    color: #000;
    text-decoration: none;
    padding: 0;
    outline: none;
}

.mkt-nav-btn:active,
.mkt-nav-btn:focus {
    color: #000;
    background-color: rgba(255, 255, 255, 0.9);
    outline: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mkt-nav-btn:hover {
    transform: scale(1.1);
    background-color: #fff;
    border-color: rgba(0, 0, 0, 0.12);
}

.mkt-nav-btn svg {
    width: 22px;
    height: 22px;
}

/* === Loader Overlay === */
.mkt-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99998;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mkt-loader-overlay.mkt-loader-active {
    display: block;
    opacity: 1;
}

/* === Loader Spinner === */
.mkt-loader-spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 99999;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.mkt-loader-spinner.mkt-loader-active {
    display: flex;
}

.mkt-loader-spinner img {
    width: 100px;
    max-width: 25vw;
    animation: mktLoaderPulse 1.5s infinite ease-in-out;
}

.mkt-loader-spinner .mkt-loader-text {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #333;
    font-weight: 500;
    margin-top: 5px;
}

/* Animação de Pulse do Logo */
@keyframes mktLoaderPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* === Animação de Pontos (Yin-Yang) === */
.mkt-dots-container {
    display: flex;
    gap: 10px;
    margin-top: 5px;
}

.mkt-dots-container .mkt-dot {
    width: 10px;
    height: 10px;
    background-color: #333;
    border-radius: 50%;
    animation: mktDotPulse 1.4s infinite ease-in-out;
}

.mkt-dots-container .mkt-dot:nth-child(2) {
    animation-delay: -0.7s;
}

@keyframes mktDotPulse {
    0%, 100% {
        transform: scale(0.7);
        opacity: 0.4;
    }
    50% {
        transform: scale(1);
        opacity: 1;
    }
}

/* === Responsividade === */
@media (max-width: 480px) {
    .mkt-nav-buttons-container {
        top: 10px;
        padding: 0 10px;
    }

    .mkt-nav-btn {
        width: 40px;
        height: 40px;
    }

    .mkt-nav-btn svg {
        width: 20px;
        height: 20px;
    }

    .mkt-loader-spinner img {
        width: 80px;
    }

    .mkt-loader-spinner .mkt-loader-text {
        font-size: 12px;
    }
}