.loading-body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    background: #fff;
}
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease-in-out;
}
.loading-screen.loading-hidden {
    opacity: 0;
    pointer-events: none;
}
.loading-logo {
    width: 240px;
    height: auto;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeIn 1s ease-in-out forwards;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.welcome-text {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    opacity: 0;
    animation: textFade 0.5s ease-in-out forwards;
}
@keyframes textFade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.lang-drop {
    text-align: center;
    max-width: 600px;
}
.lang-menu {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeIn 1s ease-in-out 1s forwards;
    list-style: none;
}
.lang-menu li {
    list-style: none;
}
.lang-option {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #000;
    text-decoration: none;
    font-size: 1.1rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: background 0.2s ease-in-out, transform 0.2s ease-in-out;
}
.lang-option:hover {
    background: #e9ecef;
    transform: scale(1.05);
}
.lang-option.selected {
    background: #1E90FF;
    color: #fff;
}
.lang-flag {
    width: 64px;
    height: 48px;
    margin-right: 10px;
    object-fit: cover;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.mode-selection {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    opacity: 0;
    animation: fadeIn 1s ease-in-out 1.5s forwards;
}
.mode-selection button {
    padding: 12px 36px;
    font-size: 18px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    background: linear-gradient(135deg, #1E90FF, #00BFFF);
    color: white;
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease-in-out;
}
.mode-selection button:hover:not(:disabled) {
    background: linear-gradient(135deg, #00BFFF, #1E90FF);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    transform: scale(1.05);
}
.mode-selection button:disabled {
    background: #d1d5db;
    box-shadow: none;
    cursor: not-allowed;
}
@media (max-width: 768px) {
    .lang-menu {
        flex-direction: column;
        align-items: center;
    }
    .mode-selection {
        flex-direction: column;
        gap: 10px;
    }
    .welcome-text {
        font-size: 1.2rem;
    }
    .loading-logo {
        width: 180px;
    }
}