.welcome-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(27, 38, 59, 0.98);
    padding: 2rem;
    border-radius: 15px;
    z-index: 10000;
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.welcome-modal.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
    display: block;
}

.welcome-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.welcome-icon {
    font-size: 2rem;
    background: linear-gradient(45deg, var(--primary), var(--success));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: pulse 2s infinite;
}

.close-welcome {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.close-welcome:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

.welcome-body {
    text-align: center;
}

.welcome-body h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.welcome-body p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.btn-gradient {
    background: linear-gradient(45deg, var(--primary), var(--success));
    border: none;
    padding: 0.8rem 1.5rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(63, 193, 201, 0.2);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(63, 193, 201, 0.3);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}