/* Loading Screen Styles - Versão Sutil e Discreta */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(1px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.1s ease-out;
}

.loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-top: 2px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1.2s linear infinite;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

/* Animations */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .loading-spinner {
        width: 20px;
        height: 20px;
        border-width: 1.5px;
    }
}

@media (max-width: 480px) {
    .loading-spinner {
        width: 18px;
        height: 18px;
        border-width: 1.5px;
    }
}

/* Estilo alternativo - Loading discreto no canto */
.loading-screen.discrete {
    background: transparent;
    backdrop-filter: none;
}

.loading-screen.discrete .loading-spinner {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 16px;
    height: 16px;
    border-width: 1px;
    box-shadow: none;
}

/* Estilo minimalista - apenas um ponto */
.loading-screen.minimal {
    background: transparent;
    backdrop-filter: none;
}

.loading-spinner.minimal {
    width: 8px;
    height: 8px;
    border: none;
    border-radius: 50%;
    background: #3b82f6;
    animation: pulse 1s ease-in-out infinite;
    box-shadow: none;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}