/* ================================
   Loading Spinner Component
   ================================ */

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* Loading Spinner Container */
.loading-spinner-container {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.loading-overlay.active .loading-spinner-container {
    transform: scale(1);
}

/* Spinner */
.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e5e7eb;
    border-top-color: #4a90e2;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Loading Text */
.loading-text {
    font-size: 1rem;
    font-weight: 600;
    color: #374151;
    text-align: center;
}

.loading-subtext {
    font-size: 0.875rem;
    color: #6b7280;
    text-align: center;
    margin-top: -0.5rem;
}

/* Inline Spinner (for buttons) */
.spinner-inline {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* Button Loading State */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    color: white;
}

/* Pulse Animation for Dots */
.loading-dots {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.loading-dot {
    width: 8px;
    height: 8px;
    background: #4a90e2;
    border-radius: 50%;
    animation: pulse 1.4s infinite ease-in-out;
}

.loading-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes pulse {

    0%,
    80%,
    100% {
        transform: scale(0);
        opacity: 0.5;
    }

    40% {
        transform: scale(1);
        opacity: 1;
    }
}