/* Loading spinner generico */
.wprb-loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--wprb-primary-color, #5cb85c);
    animation: wprb-spin 1s ease-in-out infinite;
}

@keyframes wprb-spin {
    to { transform: rotate(360deg); }
}

/* Container di loading per gli step */
.wprb-step-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    min-height: 200px;
}

.wprb-step-loading .wprb-loading-spinner {
    margin-bottom: 20px;
}

.wprb-step-loading .loading-text {
    font-size: 16px;
    color: #666;
    text-align: center;
    animation: wprb-pulse 1.5s ease-in-out infinite;
}

@keyframes wprb-pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Loading per selezione orari */
.booking-hours .loading {
    display: none;
}

.booking-hours.is-loading .loading {
    display: block;
    margin: 0 auto;
    padding: 40px;
}

.booking-hours.is-loading > *:not(.loading) {
    display: none;
}

/* Loading overlay per step */
.step-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.step-loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.booking-step {
    position: relative;
    min-height: 100px;
}

/* Loading per selezione tavoli */
.loading-tables,
.loading-layout {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.loading-tables::before,
.loading-layout::before {
    content: '';
    display: block;
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    border: 5px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--wprb-primary-color, #5cb85c);
    animation: wprb-spin 1s ease-in-out infinite;
}

/* Loading per canvas Pro */
.table-layout-canvas-container-enhanced.is-loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border: 6px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--wprb-primary-color, #5cb85c);
    animation: wprb-spin 1s ease-in-out infinite;
    z-index: 10;
}

.table-layout-canvas-container-enhanced.is-loading canvas {
    opacity: 0.3;
}

/* Loading inline per cambio servizio */
.service-loading-indicator {
    display: none;
    margin-left: 10px;
}

.service-loading-indicator.active {
    display: inline-block;
}

.service-loading-indicator::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--wprb-primary-color, #5cb85c);
    animation: wprb-spin 1s ease-in-out infinite;
    vertical-align: middle;
    margin-left: 5px;
}

/* Loading per selezione persone */
.booking-people-loading {
    display: none;
    text-align: center;
    padding: 20px;
    color: #666;
    font-style: italic;
}

.booking-people-loading.active {
    display: block;
}

.booking-people-loading::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--wprb-primary-color, #5cb85c);
    animation: wprb-spin 1s ease-in-out infinite;
    vertical-align: middle;
    margin-right: 10px;
}

/* Skeleton loading per orari */
.hours-skeleton {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px;
    justify-content: center;
}

.hours-skeleton-item {
    width: 80px;
    height: 40px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: wprb-skeleton 1.5s ease-in-out infinite;
    border-radius: 5px;
}

@keyframes wprb-skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Loading per submit form */
.wprb-submit-loading {
    position: relative;
}

.wprb-submit-loading::after {
    content: '';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: wprb-spin 1s ease-in-out infinite;
}

/* Mobile optimizations */
@media (max-width: 767px) {
    .wprb-step-loading {
        padding: 30px 20px;
        min-height: 150px;
    }

    .wprb-loading-spinner {
        width: 35px;
        height: 35px;
        border-width: 3px;
    }

    .loading-text {
        font-size: 14px;
    }

    .loading-tables,
    .loading-layout {
        padding: 40px 15px;
    }
}

/* Animazione dots per testo di caricamento */
.loading-dots::after {
    content: '';
    animation: wprb-dots 1.5s steps(4, end) infinite;
}

@keyframes wprb-dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* Disabilita interazioni durante il caricamento */
.booking-step.is-loading {
    pointer-events: none;
    user-select: none;
}

.booking-step.is-loading > *:not(.wprb-step-loading):not(.step-loading-overlay) {
    opacity: 0.4;
    filter: blur(1px);
    transition: opacity 0.3s ease, filter 0.3s ease;
}

/* Loading compatto per room buttons */
.room-select-btn.is-loading {
    position: relative;
    color: transparent !important;
}

.room-select-btn.is-loading::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--wprb-primary-color, #5cb85c);
    animation: wprb-spin 0.8s ease-in-out infinite;
}

/* Feedback visivo per caricamento completato */
@keyframes wprb-success {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.loading-complete {
    animation: wprb-success 0.5s ease;
}