/* ============================================
   LOADING SPINNER - ESTILO ESCURO PADRÃO
   ============================================ */

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

.loading-spinner-dark {
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid #10b981;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

.loading-container-dark {
    text-align: center;
    padding: 40px 20px;
    color: rgba(255, 255, 255, 0.7);
}

.loading-container-dark p {
    margin-top: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* Loading overlay (para modais) */
.loading-overlay-dark {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.loading-box-dark {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    max-width: 320px;
    width: 90vw;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.loading-box-dark .spinner {
    width: 52px;
    height: 52px;
    margin: 0 auto 20px;
    border: 6px solid rgba(255, 255, 255, 0.1);
    border-top-color: #10b981;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-box-dark h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: -0.3px;
}

.loading-box-dark p {
    margin: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}