/* Loading Screen Styles */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-logo {
    margin-bottom: 30px;
    text-align: center;
}

.loading-logo img {
    height: 60px;
    width: auto;
    filter: brightness(0) invert(1);
}

.loading-logo .authorized-text {
    color: white;
    font-size: 0.8rem;
    margin-top: 5px;
    opacity: 0.9;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loading-text {
    color: white;
    font-size: 1.1rem;
    text-align: center;
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    margin-top: 20px;
    overflow: hidden;
}

.loading-progress-bar {
    height: 100%;
    background: white;
    width: 0%;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.loading-dots {
    display: flex;
    gap: 5px;
    margin-top: 15px;
}

.loading-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: pulse 1.5s infinite ease-in-out;
}

.loading-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dot:nth-child(3) {
    animation-delay: 0.4s;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
}

/* Loading Animation for Content */
.content-loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.content-loaded {
    opacity: 1;
    transform: translateY(0);
}