.register-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('https://via.placeholder.com/1920x1080/f5b800/fff?text=Gio+Qua+Tet+2026') center/cover no-repeat;
    padding: 20px;
}

.register-box {
    background: white;
    padding: 50px 45px;
    border-radius: 16px;
    box-shadow: 0 15px 45px rgba(0,0,0,0.18);
    width: 100%;
    max-width: 480px;
    text-align: center;
}

.register-box h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 8px;
}

.register-subtitle {
    color: #666;
    margin-bottom: 35px;
    font-size: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #444;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
}

.form-group input:focus {
    border-color: #f5b800;
    box-shadow: 0 0 0 3px rgba(245, 184, 0, 0.15);
    outline: none;
}

.terms {
    margin: 20px 0 25px 0;
    text-align: left;
}

.checkbox-label {
    display: flex;
    align-items: center;      
    gap: 8px;
    cursor: pointer;
    white-space: nowrap;     
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
    flex-shrink: 0;            
    margin-top: 2px;
}

.checkbox-label a {
    color: #f5b800;
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.btn-register {
    width: 100%;
    padding: 15px;
    background: #f5b800;
    color: #000;
    border: none;
    border-radius: 8px;
    font-size: 16.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 20px;
}

.btn-register:hover {
    background: #ffcc00;
    transform: translateY(-2px);
}

.register-footer {
    margin-top: 15px;
    font-size: 15px;
}

.register-footer a {
    color: #f5b800;
    font-weight: 500;
}

.social-login {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid #eee;
}

.social-login p {
    color: #888;
    margin-bottom: 15px;
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    font-size: 19px;
    cursor: pointer;
    transition: 0.3s;
}

.social-btn.facebook { background: #1877f2; color: white; }
.social-btn.google { background: #db4437; color: white; }
.social-btn.zalo { background: #0068ff; color: white; }

.social-btn:hover {
    transform: scale(1.1);
}