.auth-btn {
background: transparent;
color: #12c2e9;
border: 1px solid #12c2e9;
padding: 10px 20px;
border-radius: 30px;
margin: 5px;
font-size: 14px;
cursor: pointer;
transition: all 0.3s ease;
}

.auth-btn:hover {
background: #12c2e9;
color: #000;
}

.auth-modal {
position: fixed;
top: 0; left: 0; width: 100%; height: 100%;
background: rgba(0, 0, 0, 0.85);
display: flex;
justify-content: center;
align-items: center;
z-index: 1000;
opacity: 0;
visibility: hidden;
transition: opacity 0.4s ease, visibility 0.4s ease;
}

.auth-modal.show {
opacity: 1;
visibility: visible;
}

.auth-box {
    background: #18191d;
    padding: 40px;
    border-radius: 15px;
    width: 100%;
    max-width: 400px;
    position: relative;
    color: white;
    animation: fadeInUp 0.4s ease;
    }

.auth-box h5 {
font-size: 24px;
margin-bottom: 20px;
}

.auth-form input {
width: 100%;
padding: 15px;
margin-bottom: 15px;
background: transparent;
border: 1px solid rgba(255,255,255,0.1);
border-radius: 30px;
color: white;
font-size: 14px;
}

.auth-submit {
width: 100%;
padding: 12px;
border-radius: 30px;
background: #12c2e9;
color: #000;
border: none;
font-weight: bold;
cursor: pointer;
}

.toggle-link {
text-align: center;
margin-top: 15px;
font-size: 13px;
}

.toggle-link span {
color: #12c2e9;
cursor: pointer;
}

.close {
position: absolute;
top: 15px;
right: 20px;
font-size: 24px;
cursor: pointer;
color: #aaa;
transition: color 0.3s ease;
}

.close:hover {
color: #fff;
}

.hidden {
display: none;
}

@keyframes fadeInUp {
from {
    opacity: 0;
    transform: translateY(40px);
}
to {
    opacity: 1;
    transform: translateY(0);
}
}

.auth-error {
background-color: rgba(255, 0, 0, 0.1);
color: #ff4d4d;
padding: 10px 15px;
border-radius: 8px;
font-size: 14px;
margin-bottom: 15px;
text-align: center;
border: 1px solid #ff4d4d;
}

.auth-error.success {
background-color: rgba(18, 194, 233, 0.1);
color: #12c2e9;
border: 1px solid #12c2e9;
}