#tmsLoadingOverlay {
    --tms-z-loading-overlay: 10000;
    --tms-loading-box-radius: 12px;
    --tms-loading-box-min-width: 320px;
    --tms-loading-spinner-size: 48px;
}

/**
 * Tela de carregamento com barra de progresso
 * Uso: showLoading('Carregando...'), updateLoadingProgress(50), hideLoading()
 */
#tmsLoadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.85);
    z-index: var(--tms-z-loading-overlay);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}
#tmsLoadingOverlay.show {
    opacity: 1;
    pointer-events: auto;
}
#tmsLoadingOverlay .tms-loading-box {
    background: #fff;
    border-radius: var(--tms-loading-box-radius);
    padding: 28px 36px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    min-width: var(--tms-loading-box-min-width);
    max-width: 90vw;
}
#tmsLoadingOverlay .tms-loading-spinner {
    width: var(--tms-loading-spinner-size);
    height: var(--tms-loading-spinner-size);
    margin: 0 auto 20px;
    border: 4px solid #e2e8f0;
    border-top-color: #1e40af;
    border-radius: 50%;
    animation: tms-spin 0.9s linear infinite;
}
#tmsLoadingOverlay .tms-loading-message {
    font-size: 0.95rem;
    color: #475569;
    text-align: center;
    margin-bottom: 16px;
    font-weight: 500;
}
#tmsLoadingOverlay .tms-loading-progress-wrap {
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    display: none;
}
#tmsLoadingOverlay .tms-loading-progress-wrap.visible {
    display: block;
}
#tmsLoadingOverlay .tms-loading-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #1e40af, #3b82f6);
    border-radius: 3px;
    transition: width 0.3s ease;
}
#tmsLoadingOverlay .tms-loading-percent {
    font-size: 0.75rem;
    color: #64748b;
    text-align: center;
    margin-top: 8px;
}
@keyframes tms-spin {
    to { transform: rotate(360deg); }
}